From dbca2375d823bbfa0760bdf0920fc02f4042d6c0 Mon Sep 17 00:00:00 2001
From: Thomas Fischer <thomas.fischer@ufz.de>
Date: Mon, 23 Mar 2020 11:04:02 +0100
Subject: [PATCH] [T/SteadyStateDiffusion] Renames due to process rename.

- test data folders,
- tests names, and
- process names in the project files.
---
 ProcessLib/SteadyStateDiffusion/Tests.cmake   | 218 +++++++++---------
 .../circle_radius_1/circle_1e1_axi.prj        |   4 +-
 .../circle_radius_1/circle_1e2_axi.prj        |   4 +-
 .../circle_radius_1/circle_1e3_axi.prj        |   4 +-
 .../circle_radius_1/circle_1e4_axi.prj        |   4 +-
 .../circle_radius_1/circle_1e5_axi.prj        |   4 +-
 .../circle_radius_1/circle_1e6_axi.prj        |   4 +-
 .../cube.py                                   |   0
 .../cube_1e0.prj                              |   4 +-
 .../cube_1e0_neumann.prj                      |   4 +-
 .../cube_1e0_newton.prj                       |   4 +-
 .../cube_1e0_quadratic_hex.prj                |   4 +-
 .../cube_1e1.prj                              |   4 +-
 .../cube_1e1_neumann.prj                      |   4 +-
 .../cube_1e1_newton.prj                       |   4 +-
 .../cube_1e2.prj                              |   4 +-
 .../cube_1e2_neumann.prj                      |   4 +-
 .../cube_1e2_newton.prj                       |   4 +-
 .../cube_1e3.prj                              |   4 +-
 .../cube_1e3_bottom_neumann.prj               |   4 +-
 .../cube_1e3_bottom_neumann.vtu               |   0
 .../cube_1e3_bottom_neumann_newton.prj        |   4 +-
 .../cube_1e3_calculatesurfaceflux.prj         |   4 +-
 .../cube_1e3_neumann.prj                      |   4 +-
 .../cube_1e3_neumann_calculatesurfaceflux.prj |   4 +-
 .../cube_1e3_newton.prj                       |   4 +-
 .../cube_1e3_top_neumann.prj                  |   4 +-
 .../cube_1e3_top_neumann.vtu                  |   0
 .../cube_1e3_top_neumann_newton.prj           |   4 +-
 .../cube_1e4.prj                              |   4 +-
 .../cube_1e4_anisotropic.prj                  |   4 +-
 ..._1e4_anisotropic_pcs_0_ts_1_t_1.000000.vtu |   0
 .../cube_1e4_neumann.prj                      |   4 +-
 .../cube_1e5.prj                              |   4 +-
 .../cube_1e5_neumann.prj                      |   4 +-
 .../cube_1e6.prj                              |   4 +-
 .../cube_1e6_neumann.prj                      |   4 +-
 .../cube_1x1x1.gml                            |   0
 .../cube_1x1x1_hex20_1e0.vtu                  |   0
 .../cube_1x1x1_hex_1e0.vtu                    |   0
 .../cube_1x1x1_hex_1e1.vtu                    |   0
 .../cube_1x1x1_hex_1e2.vtu                    |   0
 .../cube_1x1x1_hex_1e3.vtu                    |   0
 .../cube_1x1x1_hex_1e3_complete_surface.vtu   |   0
 ...ght_dirichlet_specific_flux_t_1.000000.vtu |   0
 ...rface_neumann_specific_flux_t_1.000000.vtu |   0
 .../cube_1x1x1_hex_1e3_front.vtu              |   0
 .../cube_1x1x1_hex_1e3_left.vtu               |   0
 .../cube_1x1x1_hex_1e3_right.vtu              |   0
 .../cube_1x1x1_hex_1e4.vtu                    |   0
 .../cube_1x1x1_hex_1e4_material_groups.vtu    |   0
 .../cube_1x1x1_hex_1e5.vtu                    |   0
 .../cube_1x1x1_hex_1e6.vtu                    |   0
 .../cube_1x1x1_hex_2e4.vtu                    |   0
 .../cube_1x1x1_hex_3e4.vtu                    |   0
 .../cube_1x1x1_hex_4e4.vtu                    |   0
 .../cube_1x1x1_hex_5e4.vtu                    |   0
 .../cube_1x1x1_prism_2e3.vtu                  |   0
 .../cube_1x1x1_prism_2e3_back.vtu             |   0
 .../cube_1x1x1_prism_2e3_bottom.vtu           |   0
 .../cube_1x1x1_prism_2e3_complete_surface.vtu |   0
 ...ack_dirichlet_specific_flux_t_1.000000.vtu |   0
 ...ght_dirichlet_specific_flux_t_1.000000.vtu |   0
 ...tom_dirichlet_specific_flux_t_1.000000.vtu |   0
 .../cube_1x1x1_prism_2e3_front.vtu            |   0
 .../cube_1x1x1_prism_2e3_left.vtu             |   0
 .../cube_1x1x1_prism_2e3_right.vtu            |   0
 .../cube_1x1x1_prism_2e3_top.vtu              |   0
 .../cube_2e3_prism_surfaceflux_front_back.prj |   4 +-
 .../cube_2e3_prism_surfaceflux_left_right.prj |   4 +-
 .../cube_2e3_prism_surfaceflux_top_bottom.prj |   4 +-
 .../cube_2e4.prj                              |   4 +-
 .../cube_2e4_neumann.prj                      |   4 +-
 .../cube_3e4.prj                              |   4 +-
 .../cube_3e4_neumann.prj                      |   4 +-
 .../cube_4e4.prj                              |   4 +-
 .../cube_4e4_neumann.prj                      |   4 +-
 .../cube_5e4.prj                              |   4 +-
 .../cube_5e4_neumann.prj                      |   4 +-
 .../line_1.gml                                |   0
 .../line_1_line_1e1.vtu                       |   0
 .../line_1_time_dep_dirichlet.vtu             |   0
 .../line_1e1.prj                              |   4 +-
 .../line_1e1_neumann.prj                      |   4 +-
 .../line_1e1_robin_left_picard.prj            |   4 +-
 .../line_1e1_robin_right_picard.prj           |   4 +-
 .../line_1e1_time_dep_dirichlet.prj           |   4 +-
 .../line_1e1_time_dep_neumann.prj             |   4 +-
 .../dirichlet_nonuniform.prj                  |   4 +-
 ...chlet_nonuniform_pcs_0_ts_1_t_1.000000.vtu |   0
 ...umann_nonuniform_pcs_0_ts_1_t_1.000000.vtu |   0
 .../inhomogeneous_mass_flux.vtu               |   0
 .../inhomogeneous_permeability.gml            |   0
 .../inhomogeneous_permeability.prj            |   4 +-
 .../inhomogeneous_permeability.vtu            |   0
 .../inhomogeneous_permeability_bottom.vtu     |   0
 .../inhomogeneous_permeability_top.vtu        |   0
 .../neumann_nonuniform.prj                    |   4 +-
 .../square_1x1_left.vtu                       |   0
 .../square_1x1_quad_1e3.vtu                   |   0
 .../square_1x1_right.vtu                      |   0
 .../quarter_circle/quarter_circle_neumann.prj |   4 +-
 .../quarter_circle_nodal_source_term.prj      |   4 +-
 .../quarter_disc/quarter_disc_neumann.prj     |   4 +-
 .../square_1e0.prj                            |   4 +-
 .../square_1e0_neumann.prj                    |   4 +-
 .../square_1e1.prj                            |   4 +-
 .../square_1e1_neumann.prj                    |   4 +-
 .../square_1e2.prj                            |   4 +-
 .../square_1e2_axi.prj                        |   4 +-
 .../square_1e2_neumann.prj                    |   4 +-
 .../square_1e2_volumetricsourceterm.prj       |   4 +-
 .../square_1e3.prj                            |   4 +-
 .../square_1e3_neumann.prj                    |   4 +-
 .../square_1e3_volumetricsourceterm.prj       |   4 +-
 ...uare_1e3_volumetricsourcetermdataarray.prj |   4 +-
 .../square_1e4.prj                            |   4 +-
 .../square_1e4_axi.prj                        |   4 +-
 .../square_1e4_neumann.prj                    |   4 +-
 .../square_1e5.prj                            |   4 +-
 .../square_1e5_neumann.prj                    |   4 +-
 .../square_1e6.prj                            |   4 +-
 .../square_1e6_neumann.prj                    |   4 +-
 .../square_1e6_with_nodal_sources.prj         |   4 +-
 .../square_1x1.gml                            |   0
 .../square_1x1_axi.gml                        |   0
 .../square_1x1_geometry_left.vtu              |   0
 .../square_1x1_geometry_middle_point.vtu      |   0
 .../square_1x1_geometry_right.vtu             |   0
 .../square_1x1_midpoint.gml                   |   0
 .../square_1x1_quad_1e0.vtu                   |   0
 .../square_1x1_quad_1e1.vtu                   |   0
 .../square_1x1_quad_1e2.vtu                   |   0
 .../square_1x1_quad_1e2_geometry_left.vtu     |   0
 .../square_1x1_quad_1e2_geometry_right.vtu    |   0
 ...re_1x1_quad_1e2_volumetric_source_term.vtu |   0
 ...lumetricsourceterm_analytical_solution.vtu |   0
 .../square_1x1_quad_1e3.vtu                   |   0
 .../square_1x1_quad_1e3_geometry_left.vtu     |   0
 .../square_1x1_quad_1e3_geometry_right.vtu    |   0
 ...re_1x1_quad_1e3_volumetric_source_term.vtu |   0
 ...lumetricsourceterm_analytical_solution.vtu |   0
 ...quad_1e3_volumetricsourcetermdataarray.vtu |   0
 ...umetricsourcetermdataarray_geometry_ll.vtu |   0
 ...umetricsourcetermdataarray_geometry_lr.vtu |   0
 ...umetricsourcetermdataarray_geometry_ul.vtu |   0
 ...umetricsourcetermdataarray_geometry_ur.vtu |   0
 ...cetermdataarray_volumetric_source_term.vtu |   0
 .../square_1x1_quad_1e4.vtu                   |   0
 .../square_1x1_quad_1e5.vtu                   |   0
 .../square_1x1_quad_1e6.vtu                   |   0
 ...re_1x1_quad_1e6_nodal_sources_expected.vtu |   0
 .../square_1x1_quad_geometry_right.vtu        |   0
 .../wedge-1e2-ang-0.02-surface.vtu            |   0
 .../wedge-1e2-ang-0.02.vtu                    |   0
 .../wedge-1e2-ang-0.2-surface.vtu             |   0
 .../wedge-1e2-ang-0.2.vtu                     |   0
 .../wedge-1e4-ang-0.02-surface.vtu            |   0
 .../wedge-1e4-ang-0.02.vtu                    |   0
 .../wedge-1e4-ang-0.2.vtu                     |   0
 .../wedge-ang-0.02.gml                        |   0
 .../wedge-ang-0.2.gml                         |   0
 .../wedge_1e2_axi_ang_0.02.prj                |   4 +-
 .../wedge_1e2_axi_ang_0.2.prj                 |   4 +-
 .../wedge_1e4_axi_ang_0.02.prj                |   4 +-
 .../bcs_laplace_eq.py                         |   0
 .../python_laplace_eq_ref.vtu                 |   0
 .../sin_x_sin_y_source_term.py                |   0
 .../square_1e3_laplace_eq.prj                 |   4 +-
 .../square_1e3_poisson_sin_x_sin_y.prj        |   4 +-
 .../square_1e5_poisson_sin_x_sin_y.prj        |   4 +-
 .../square_1x1.gml                            |   0
 .../square_1x1_quad_1e3.vtu                   |   0
 .../square_1x1_quad_1e3_entire_domain.vtu     |   0
 .../square_1x1_quad_1e3_geometry_ll.vtu       |   0
 .../square_1x1_quad_1e3_geometry_lr.vtu       |   0
 .../square_1x1_quad_1e3_geometry_ul.vtu       |   0
 .../square_1x1_quad_1e3_geometry_ur.vtu       |   0
 .../square_1x1_quad_1e5.vtu                   |   0
 .../square_1x1_quad_1e5_entire_domain.vtu     |   0
 .../square_1x1_quad_1e5_geometry_ll.vtu       |   0
 .../square_1x1_quad_1e5_geometry_lr.vtu       |   0
 .../square_1x1_quad_1e5_geometry_ul.vtu       |   0
 .../square_1x1_quad_1e5_geometry_ur.vtu       |   0
 .../wedge_1e3_prism_surfaceflux_diagonal.prj  |   4 +-
 .../wedge_1x1x1.gml                           |   0
 .../wedge_1x1x1_1e3_prism.vtu                 |   0
 .../wedge_1x1x1_1e3_prism_bottom.vtu          |   0
 ...wedge_1x1x1_1e3_prism_complete_surface.vtu |   0
 ...plete_surface_specific_flux_t_1.000000.vtu |   0
 ..._prism_diagonal-left-front--right-back.vtu |   0
 ..._1x1x1_1e3_prism_left-front-top-bottom.vtu |   0
 Tests/FileIO_Qt/TestQtPrjInterface.cpp        |   4 +-
 193 files changed, 275 insertions(+), 275 deletions(-)
 rename Tests/Data/Elliptic/{cube_1x1x1_GroundWaterFlow => cube_1x1x1_SteadyStateDiffusion}/cube.py (100%)
 rename Tests/Data/Elliptic/{cube_1x1x1_GroundWaterFlow => cube_1x1x1_SteadyStateDiffusion}/cube_1e0.prj (97%)
 rename Tests/Data/Elliptic/{cube_1x1x1_GroundWaterFlow => cube_1x1x1_SteadyStateDiffusion}/cube_1e0_neumann.prj (97%)
 rename Tests/Data/Elliptic/{cube_1x1x1_GroundWaterFlow => cube_1x1x1_SteadyStateDiffusion}/cube_1e0_newton.prj (97%)
 rename Tests/Data/Elliptic/{cube_1x1x1_GroundWaterFlow => cube_1x1x1_SteadyStateDiffusion}/cube_1e0_quadratic_hex.prj (97%)
 rename Tests/Data/Elliptic/{cube_1x1x1_GroundWaterFlow => cube_1x1x1_SteadyStateDiffusion}/cube_1e1.prj (97%)
 rename Tests/Data/Elliptic/{cube_1x1x1_GroundWaterFlow => cube_1x1x1_SteadyStateDiffusion}/cube_1e1_neumann.prj (97%)
 rename Tests/Data/Elliptic/{cube_1x1x1_GroundWaterFlow => cube_1x1x1_SteadyStateDiffusion}/cube_1e1_newton.prj (97%)
 rename Tests/Data/Elliptic/{cube_1x1x1_GroundWaterFlow => cube_1x1x1_SteadyStateDiffusion}/cube_1e2.prj (97%)
 rename Tests/Data/Elliptic/{cube_1x1x1_GroundWaterFlow => cube_1x1x1_SteadyStateDiffusion}/cube_1e2_neumann.prj (97%)
 rename Tests/Data/Elliptic/{cube_1x1x1_GroundWaterFlow => cube_1x1x1_SteadyStateDiffusion}/cube_1e2_newton.prj (97%)
 rename Tests/Data/Elliptic/{cube_1x1x1_GroundWaterFlow => cube_1x1x1_SteadyStateDiffusion}/cube_1e3.prj (97%)
 rename Tests/Data/Elliptic/{cube_1x1x1_GroundWaterFlow => cube_1x1x1_SteadyStateDiffusion}/cube_1e3_bottom_neumann.prj (97%)
 rename Tests/Data/Elliptic/{cube_1x1x1_GroundWaterFlow => cube_1x1x1_SteadyStateDiffusion}/cube_1e3_bottom_neumann.vtu (100%)
 rename Tests/Data/Elliptic/{cube_1x1x1_GroundWaterFlow => cube_1x1x1_SteadyStateDiffusion}/cube_1e3_bottom_neumann_newton.prj (97%)
 rename Tests/Data/Elliptic/{cube_1x1x1_GroundWaterFlow => cube_1x1x1_SteadyStateDiffusion}/cube_1e3_calculatesurfaceflux.prj (98%)
 rename Tests/Data/Elliptic/{cube_1x1x1_GroundWaterFlow => cube_1x1x1_SteadyStateDiffusion}/cube_1e3_neumann.prj (97%)
 rename Tests/Data/Elliptic/{cube_1x1x1_GroundWaterFlow => cube_1x1x1_SteadyStateDiffusion}/cube_1e3_neumann_calculatesurfaceflux.prj (98%)
 rename Tests/Data/Elliptic/{cube_1x1x1_GroundWaterFlow => cube_1x1x1_SteadyStateDiffusion}/cube_1e3_newton.prj (97%)
 rename Tests/Data/Elliptic/{cube_1x1x1_GroundWaterFlow => cube_1x1x1_SteadyStateDiffusion}/cube_1e3_top_neumann.prj (97%)
 rename Tests/Data/Elliptic/{cube_1x1x1_GroundWaterFlow => cube_1x1x1_SteadyStateDiffusion}/cube_1e3_top_neumann.vtu (100%)
 rename Tests/Data/Elliptic/{cube_1x1x1_GroundWaterFlow => cube_1x1x1_SteadyStateDiffusion}/cube_1e3_top_neumann_newton.prj (97%)
 rename Tests/Data/Elliptic/{cube_1x1x1_GroundWaterFlow => cube_1x1x1_SteadyStateDiffusion}/cube_1e4.prj (97%)
 rename Tests/Data/Elliptic/{cube_1x1x1_GroundWaterFlow => cube_1x1x1_SteadyStateDiffusion}/cube_1e4_anisotropic.prj (98%)
 rename Tests/Data/Elliptic/{cube_1x1x1_GroundWaterFlow => cube_1x1x1_SteadyStateDiffusion}/cube_1e4_anisotropic_pcs_0_ts_1_t_1.000000.vtu (100%)
 rename Tests/Data/Elliptic/{cube_1x1x1_GroundWaterFlow => cube_1x1x1_SteadyStateDiffusion}/cube_1e4_neumann.prj (97%)
 rename Tests/Data/Elliptic/{cube_1x1x1_GroundWaterFlow => cube_1x1x1_SteadyStateDiffusion}/cube_1e5.prj (97%)
 rename Tests/Data/Elliptic/{cube_1x1x1_GroundWaterFlow => cube_1x1x1_SteadyStateDiffusion}/cube_1e5_neumann.prj (97%)
 rename Tests/Data/Elliptic/{cube_1x1x1_GroundWaterFlow => cube_1x1x1_SteadyStateDiffusion}/cube_1e6.prj (97%)
 rename Tests/Data/Elliptic/{cube_1x1x1_GroundWaterFlow => cube_1x1x1_SteadyStateDiffusion}/cube_1e6_neumann.prj (97%)
 rename Tests/Data/Elliptic/{cube_1x1x1_GroundWaterFlow => cube_1x1x1_SteadyStateDiffusion}/cube_1x1x1.gml (100%)
 rename Tests/Data/Elliptic/{cube_1x1x1_GroundWaterFlow => cube_1x1x1_SteadyStateDiffusion}/cube_1x1x1_hex20_1e0.vtu (100%)
 rename Tests/Data/Elliptic/{cube_1x1x1_GroundWaterFlow => cube_1x1x1_SteadyStateDiffusion}/cube_1x1x1_hex_1e0.vtu (100%)
 rename Tests/Data/Elliptic/{cube_1x1x1_GroundWaterFlow => cube_1x1x1_SteadyStateDiffusion}/cube_1x1x1_hex_1e1.vtu (100%)
 rename Tests/Data/Elliptic/{cube_1x1x1_GroundWaterFlow => cube_1x1x1_SteadyStateDiffusion}/cube_1x1x1_hex_1e2.vtu (100%)
 rename Tests/Data/Elliptic/{cube_1x1x1_GroundWaterFlow => cube_1x1x1_SteadyStateDiffusion}/cube_1x1x1_hex_1e3.vtu (100%)
 rename Tests/Data/Elliptic/{cube_1x1x1_GroundWaterFlow => cube_1x1x1_SteadyStateDiffusion}/cube_1x1x1_hex_1e3_complete_surface.vtu (100%)
 rename Tests/Data/Elliptic/{cube_1x1x1_GroundWaterFlow => cube_1x1x1_SteadyStateDiffusion}/cube_1x1x1_hex_1e3_complete_surface_left_right_dirichlet_specific_flux_t_1.000000.vtu (100%)
 rename Tests/Data/Elliptic/{cube_1x1x1_GroundWaterFlow => cube_1x1x1_SteadyStateDiffusion}/cube_1x1x1_hex_1e3_complete_surface_neumann_specific_flux_t_1.000000.vtu (100%)
 rename Tests/Data/Elliptic/{cube_1x1x1_GroundWaterFlow => cube_1x1x1_SteadyStateDiffusion}/cube_1x1x1_hex_1e3_front.vtu (100%)
 rename Tests/Data/Elliptic/{cube_1x1x1_GroundWaterFlow => cube_1x1x1_SteadyStateDiffusion}/cube_1x1x1_hex_1e3_left.vtu (100%)
 rename Tests/Data/Elliptic/{cube_1x1x1_GroundWaterFlow => cube_1x1x1_SteadyStateDiffusion}/cube_1x1x1_hex_1e3_right.vtu (100%)
 rename Tests/Data/Elliptic/{cube_1x1x1_GroundWaterFlow => cube_1x1x1_SteadyStateDiffusion}/cube_1x1x1_hex_1e4.vtu (100%)
 rename Tests/Data/Elliptic/{cube_1x1x1_GroundWaterFlow => cube_1x1x1_SteadyStateDiffusion}/cube_1x1x1_hex_1e4_material_groups.vtu (100%)
 rename Tests/Data/Elliptic/{cube_1x1x1_GroundWaterFlow => cube_1x1x1_SteadyStateDiffusion}/cube_1x1x1_hex_1e5.vtu (100%)
 rename Tests/Data/Elliptic/{cube_1x1x1_GroundWaterFlow => cube_1x1x1_SteadyStateDiffusion}/cube_1x1x1_hex_1e6.vtu (100%)
 rename Tests/Data/Elliptic/{cube_1x1x1_GroundWaterFlow => cube_1x1x1_SteadyStateDiffusion}/cube_1x1x1_hex_2e4.vtu (100%)
 rename Tests/Data/Elliptic/{cube_1x1x1_GroundWaterFlow => cube_1x1x1_SteadyStateDiffusion}/cube_1x1x1_hex_3e4.vtu (100%)
 rename Tests/Data/Elliptic/{cube_1x1x1_GroundWaterFlow => cube_1x1x1_SteadyStateDiffusion}/cube_1x1x1_hex_4e4.vtu (100%)
 rename Tests/Data/Elliptic/{cube_1x1x1_GroundWaterFlow => cube_1x1x1_SteadyStateDiffusion}/cube_1x1x1_hex_5e4.vtu (100%)
 rename Tests/Data/Elliptic/{cube_1x1x1_GroundWaterFlow => cube_1x1x1_SteadyStateDiffusion}/cube_1x1x1_prism_2e3.vtu (100%)
 rename Tests/Data/Elliptic/{cube_1x1x1_GroundWaterFlow => cube_1x1x1_SteadyStateDiffusion}/cube_1x1x1_prism_2e3_back.vtu (100%)
 rename Tests/Data/Elliptic/{cube_1x1x1_GroundWaterFlow => cube_1x1x1_SteadyStateDiffusion}/cube_1x1x1_prism_2e3_bottom.vtu (100%)
 rename Tests/Data/Elliptic/{cube_1x1x1_GroundWaterFlow => cube_1x1x1_SteadyStateDiffusion}/cube_1x1x1_prism_2e3_complete_surface.vtu (100%)
 rename Tests/Data/Elliptic/{cube_1x1x1_GroundWaterFlow => cube_1x1x1_SteadyStateDiffusion}/cube_1x1x1_prism_2e3_complete_surface_front_back_dirichlet_specific_flux_t_1.000000.vtu (100%)
 rename Tests/Data/Elliptic/{cube_1x1x1_GroundWaterFlow => cube_1x1x1_SteadyStateDiffusion}/cube_1x1x1_prism_2e3_complete_surface_left_right_dirichlet_specific_flux_t_1.000000.vtu (100%)
 rename Tests/Data/Elliptic/{cube_1x1x1_GroundWaterFlow => cube_1x1x1_SteadyStateDiffusion}/cube_1x1x1_prism_2e3_complete_surface_top_bottom_dirichlet_specific_flux_t_1.000000.vtu (100%)
 rename Tests/Data/Elliptic/{cube_1x1x1_GroundWaterFlow => cube_1x1x1_SteadyStateDiffusion}/cube_1x1x1_prism_2e3_front.vtu (100%)
 rename Tests/Data/Elliptic/{cube_1x1x1_GroundWaterFlow => cube_1x1x1_SteadyStateDiffusion}/cube_1x1x1_prism_2e3_left.vtu (100%)
 rename Tests/Data/Elliptic/{cube_1x1x1_GroundWaterFlow => cube_1x1x1_SteadyStateDiffusion}/cube_1x1x1_prism_2e3_right.vtu (100%)
 rename Tests/Data/Elliptic/{cube_1x1x1_GroundWaterFlow => cube_1x1x1_SteadyStateDiffusion}/cube_1x1x1_prism_2e3_top.vtu (100%)
 rename Tests/Data/Elliptic/{cube_1x1x1_GroundWaterFlow => cube_1x1x1_SteadyStateDiffusion}/cube_2e3_prism_surfaceflux_front_back.prj (98%)
 rename Tests/Data/Elliptic/{cube_1x1x1_GroundWaterFlow => cube_1x1x1_SteadyStateDiffusion}/cube_2e3_prism_surfaceflux_left_right.prj (98%)
 rename Tests/Data/Elliptic/{cube_1x1x1_GroundWaterFlow => cube_1x1x1_SteadyStateDiffusion}/cube_2e3_prism_surfaceflux_top_bottom.prj (98%)
 rename Tests/Data/Elliptic/{cube_1x1x1_GroundWaterFlow => cube_1x1x1_SteadyStateDiffusion}/cube_2e4.prj (97%)
 rename Tests/Data/Elliptic/{cube_1x1x1_GroundWaterFlow => cube_1x1x1_SteadyStateDiffusion}/cube_2e4_neumann.prj (97%)
 rename Tests/Data/Elliptic/{cube_1x1x1_GroundWaterFlow => cube_1x1x1_SteadyStateDiffusion}/cube_3e4.prj (97%)
 rename Tests/Data/Elliptic/{cube_1x1x1_GroundWaterFlow => cube_1x1x1_SteadyStateDiffusion}/cube_3e4_neumann.prj (97%)
 rename Tests/Data/Elliptic/{cube_1x1x1_GroundWaterFlow => cube_1x1x1_SteadyStateDiffusion}/cube_4e4.prj (97%)
 rename Tests/Data/Elliptic/{cube_1x1x1_GroundWaterFlow => cube_1x1x1_SteadyStateDiffusion}/cube_4e4_neumann.prj (97%)
 rename Tests/Data/Elliptic/{cube_1x1x1_GroundWaterFlow => cube_1x1x1_SteadyStateDiffusion}/cube_5e4.prj (97%)
 rename Tests/Data/Elliptic/{cube_1x1x1_GroundWaterFlow => cube_1x1x1_SteadyStateDiffusion}/cube_5e4_neumann.prj (97%)
 rename Tests/Data/Elliptic/{line_1_GroundWaterFlow => line_1_SteadyStateDiffusion}/line_1.gml (100%)
 rename Tests/Data/Elliptic/{line_1_GroundWaterFlow => line_1_SteadyStateDiffusion}/line_1_line_1e1.vtu (100%)
 rename Tests/Data/Elliptic/{line_1_GroundWaterFlow => line_1_SteadyStateDiffusion}/line_1_time_dep_dirichlet.vtu (100%)
 rename Tests/Data/Elliptic/{line_1_GroundWaterFlow => line_1_SteadyStateDiffusion}/line_1e1.prj (97%)
 rename Tests/Data/Elliptic/{line_1_GroundWaterFlow => line_1_SteadyStateDiffusion}/line_1e1_neumann.prj (97%)
 rename Tests/Data/Elliptic/{line_1_GroundWaterFlow => line_1_SteadyStateDiffusion}/line_1e1_robin_left_picard.prj (97%)
 rename Tests/Data/Elliptic/{line_1_GroundWaterFlow => line_1_SteadyStateDiffusion}/line_1e1_robin_right_picard.prj (97%)
 rename Tests/Data/Elliptic/{line_1_GroundWaterFlow => line_1_SteadyStateDiffusion}/line_1e1_time_dep_dirichlet.prj (98%)
 rename Tests/Data/Elliptic/{line_1_GroundWaterFlow => line_1_SteadyStateDiffusion}/line_1e1_time_dep_neumann.prj (98%)
 rename Tests/Data/Elliptic/{nonuniform_bc_Groundwaterflow => nonuniform_bc_SteadyStateDiffusion}/dirichlet_nonuniform.prj (97%)
 rename Tests/Data/Elliptic/{nonuniform_bc_Groundwaterflow => nonuniform_bc_SteadyStateDiffusion}/expected_dirichlet_nonuniform_pcs_0_ts_1_t_1.000000.vtu (100%)
 rename Tests/Data/Elliptic/{nonuniform_bc_Groundwaterflow => nonuniform_bc_SteadyStateDiffusion}/expected_neumann_nonuniform_pcs_0_ts_1_t_1.000000.vtu (100%)
 rename Tests/Data/Elliptic/{nonuniform_bc_Groundwaterflow => nonuniform_bc_SteadyStateDiffusion}/inhomogeneous_mass_flux.vtu (100%)
 rename Tests/Data/Elliptic/{nonuniform_bc_Groundwaterflow => nonuniform_bc_SteadyStateDiffusion}/inhomogeneous_permeability.gml (100%)
 rename Tests/Data/Elliptic/{nonuniform_bc_Groundwaterflow => nonuniform_bc_SteadyStateDiffusion}/inhomogeneous_permeability.prj (98%)
 rename Tests/Data/Elliptic/{nonuniform_bc_Groundwaterflow => nonuniform_bc_SteadyStateDiffusion}/inhomogeneous_permeability.vtu (100%)
 rename Tests/Data/Elliptic/{nonuniform_bc_Groundwaterflow => nonuniform_bc_SteadyStateDiffusion}/inhomogeneous_permeability_bottom.vtu (100%)
 rename Tests/Data/Elliptic/{nonuniform_bc_Groundwaterflow => nonuniform_bc_SteadyStateDiffusion}/inhomogeneous_permeability_top.vtu (100%)
 rename Tests/Data/Elliptic/{nonuniform_bc_Groundwaterflow => nonuniform_bc_SteadyStateDiffusion}/neumann_nonuniform.prj (97%)
 rename Tests/Data/Elliptic/{nonuniform_bc_Groundwaterflow => nonuniform_bc_SteadyStateDiffusion}/square_1x1_left.vtu (100%)
 rename Tests/Data/Elliptic/{nonuniform_bc_Groundwaterflow => nonuniform_bc_SteadyStateDiffusion}/square_1x1_quad_1e3.vtu (100%)
 rename Tests/Data/Elliptic/{nonuniform_bc_Groundwaterflow => nonuniform_bc_SteadyStateDiffusion}/square_1x1_right.vtu (100%)
 rename Tests/Data/Elliptic/{square_1x1_GroundWaterFlow => square_1x1_SteadyStateDiffusion}/square_1e0.prj (97%)
 rename Tests/Data/Elliptic/{square_1x1_GroundWaterFlow => square_1x1_SteadyStateDiffusion}/square_1e0_neumann.prj (97%)
 rename Tests/Data/Elliptic/{square_1x1_GroundWaterFlow => square_1x1_SteadyStateDiffusion}/square_1e1.prj (97%)
 rename Tests/Data/Elliptic/{square_1x1_GroundWaterFlow => square_1x1_SteadyStateDiffusion}/square_1e1_neumann.prj (97%)
 rename Tests/Data/Elliptic/{square_1x1_GroundWaterFlow => square_1x1_SteadyStateDiffusion}/square_1e2.prj (97%)
 rename Tests/Data/Elliptic/{square_1x1_GroundWaterFlow => square_1x1_SteadyStateDiffusion}/square_1e2_axi.prj (98%)
 rename Tests/Data/Elliptic/{square_1x1_GroundWaterFlow => square_1x1_SteadyStateDiffusion}/square_1e2_neumann.prj (97%)
 rename Tests/Data/Elliptic/{square_1x1_GroundWaterFlow => square_1x1_SteadyStateDiffusion}/square_1e2_volumetricsourceterm.prj (98%)
 rename Tests/Data/Elliptic/{square_1x1_GroundWaterFlow => square_1x1_SteadyStateDiffusion}/square_1e3.prj (97%)
 rename Tests/Data/Elliptic/{square_1x1_GroundWaterFlow => square_1x1_SteadyStateDiffusion}/square_1e3_neumann.prj (98%)
 rename Tests/Data/Elliptic/{square_1x1_GroundWaterFlow => square_1x1_SteadyStateDiffusion}/square_1e3_volumetricsourceterm.prj (98%)
 rename Tests/Data/Elliptic/{square_1x1_GroundWaterFlow => square_1x1_SteadyStateDiffusion}/square_1e3_volumetricsourcetermdataarray.prj (98%)
 rename Tests/Data/Elliptic/{square_1x1_GroundWaterFlow => square_1x1_SteadyStateDiffusion}/square_1e4.prj (97%)
 rename Tests/Data/Elliptic/{square_1x1_GroundWaterFlow => square_1x1_SteadyStateDiffusion}/square_1e4_axi.prj (98%)
 rename Tests/Data/Elliptic/{square_1x1_GroundWaterFlow => square_1x1_SteadyStateDiffusion}/square_1e4_neumann.prj (97%)
 rename Tests/Data/Elliptic/{square_1x1_GroundWaterFlow => square_1x1_SteadyStateDiffusion}/square_1e5.prj (97%)
 rename Tests/Data/Elliptic/{square_1x1_GroundWaterFlow => square_1x1_SteadyStateDiffusion}/square_1e5_neumann.prj (97%)
 rename Tests/Data/Elliptic/{square_1x1_GroundWaterFlow => square_1x1_SteadyStateDiffusion}/square_1e6.prj (97%)
 rename Tests/Data/Elliptic/{square_1x1_GroundWaterFlow => square_1x1_SteadyStateDiffusion}/square_1e6_neumann.prj (97%)
 rename Tests/Data/Elliptic/{square_1x1_GroundWaterFlow => square_1x1_SteadyStateDiffusion}/square_1e6_with_nodal_sources.prj (98%)
 rename Tests/Data/Elliptic/{square_1x1_GroundWaterFlow => square_1x1_SteadyStateDiffusion}/square_1x1.gml (100%)
 rename Tests/Data/Elliptic/{square_1x1_GroundWaterFlow => square_1x1_SteadyStateDiffusion}/square_1x1_axi.gml (100%)
 rename Tests/Data/Elliptic/{square_1x1_GroundWaterFlow => square_1x1_SteadyStateDiffusion}/square_1x1_geometry_left.vtu (100%)
 rename Tests/Data/Elliptic/{square_1x1_GroundWaterFlow => square_1x1_SteadyStateDiffusion}/square_1x1_geometry_middle_point.vtu (100%)
 rename Tests/Data/Elliptic/{square_1x1_GroundWaterFlow => square_1x1_SteadyStateDiffusion}/square_1x1_geometry_right.vtu (100%)
 rename Tests/Data/Elliptic/{square_1x1_GroundWaterFlow => square_1x1_SteadyStateDiffusion}/square_1x1_midpoint.gml (100%)
 rename Tests/Data/Elliptic/{square_1x1_GroundWaterFlow => square_1x1_SteadyStateDiffusion}/square_1x1_quad_1e0.vtu (100%)
 rename Tests/Data/Elliptic/{square_1x1_GroundWaterFlow => square_1x1_SteadyStateDiffusion}/square_1x1_quad_1e1.vtu (100%)
 rename Tests/Data/Elliptic/{square_1x1_GroundWaterFlow => square_1x1_SteadyStateDiffusion}/square_1x1_quad_1e2.vtu (100%)
 rename Tests/Data/Elliptic/{square_1x1_GroundWaterFlow => square_1x1_SteadyStateDiffusion}/square_1x1_quad_1e2_geometry_left.vtu (100%)
 rename Tests/Data/Elliptic/{square_1x1_GroundWaterFlow => square_1x1_SteadyStateDiffusion}/square_1x1_quad_1e2_geometry_right.vtu (100%)
 rename Tests/Data/Elliptic/{square_1x1_GroundWaterFlow => square_1x1_SteadyStateDiffusion}/square_1x1_quad_1e2_volumetric_source_term.vtu (100%)
 rename Tests/Data/Elliptic/{square_1x1_GroundWaterFlow => square_1x1_SteadyStateDiffusion}/square_1x1_quad_1e2_volumetricsourceterm_analytical_solution.vtu (100%)
 rename Tests/Data/Elliptic/{square_1x1_GroundWaterFlow => square_1x1_SteadyStateDiffusion}/square_1x1_quad_1e3.vtu (100%)
 rename Tests/Data/Elliptic/{square_1x1_GroundWaterFlow => square_1x1_SteadyStateDiffusion}/square_1x1_quad_1e3_geometry_left.vtu (100%)
 rename Tests/Data/Elliptic/{square_1x1_GroundWaterFlow => square_1x1_SteadyStateDiffusion}/square_1x1_quad_1e3_geometry_right.vtu (100%)
 rename Tests/Data/Elliptic/{square_1x1_GroundWaterFlow => square_1x1_SteadyStateDiffusion}/square_1x1_quad_1e3_volumetric_source_term.vtu (100%)
 rename Tests/Data/Elliptic/{square_1x1_GroundWaterFlow => square_1x1_SteadyStateDiffusion}/square_1x1_quad_1e3_volumetricsourceterm_analytical_solution.vtu (100%)
 rename Tests/Data/Elliptic/{square_1x1_GroundWaterFlow => square_1x1_SteadyStateDiffusion}/square_1x1_quad_1e3_volumetricsourcetermdataarray.vtu (100%)
 rename Tests/Data/Elliptic/{square_1x1_GroundWaterFlow => square_1x1_SteadyStateDiffusion}/square_1x1_quad_1e3_volumetricsourcetermdataarray_geometry_ll.vtu (100%)
 rename Tests/Data/Elliptic/{square_1x1_GroundWaterFlow => square_1x1_SteadyStateDiffusion}/square_1x1_quad_1e3_volumetricsourcetermdataarray_geometry_lr.vtu (100%)
 rename Tests/Data/Elliptic/{square_1x1_GroundWaterFlow => square_1x1_SteadyStateDiffusion}/square_1x1_quad_1e3_volumetricsourcetermdataarray_geometry_ul.vtu (100%)
 rename Tests/Data/Elliptic/{square_1x1_GroundWaterFlow => square_1x1_SteadyStateDiffusion}/square_1x1_quad_1e3_volumetricsourcetermdataarray_geometry_ur.vtu (100%)
 rename Tests/Data/Elliptic/{square_1x1_GroundWaterFlow => square_1x1_SteadyStateDiffusion}/square_1x1_quad_1e3_volumetricsourcetermdataarray_volumetric_source_term.vtu (100%)
 rename Tests/Data/Elliptic/{square_1x1_GroundWaterFlow => square_1x1_SteadyStateDiffusion}/square_1x1_quad_1e4.vtu (100%)
 rename Tests/Data/Elliptic/{square_1x1_GroundWaterFlow => square_1x1_SteadyStateDiffusion}/square_1x1_quad_1e5.vtu (100%)
 rename Tests/Data/Elliptic/{square_1x1_GroundWaterFlow => square_1x1_SteadyStateDiffusion}/square_1x1_quad_1e6.vtu (100%)
 rename Tests/Data/Elliptic/{square_1x1_GroundWaterFlow => square_1x1_SteadyStateDiffusion}/square_1x1_quad_1e6_nodal_sources_expected.vtu (100%)
 rename Tests/Data/Elliptic/{square_1x1_GroundWaterFlow => square_1x1_SteadyStateDiffusion}/square_1x1_quad_geometry_right.vtu (100%)
 rename Tests/Data/Elliptic/{square_1x1_GroundWaterFlow => square_1x1_SteadyStateDiffusion}/wedge-1e2-ang-0.02-surface.vtu (100%)
 rename Tests/Data/Elliptic/{square_1x1_GroundWaterFlow => square_1x1_SteadyStateDiffusion}/wedge-1e2-ang-0.02.vtu (100%)
 rename Tests/Data/Elliptic/{square_1x1_GroundWaterFlow => square_1x1_SteadyStateDiffusion}/wedge-1e2-ang-0.2-surface.vtu (100%)
 rename Tests/Data/Elliptic/{square_1x1_GroundWaterFlow => square_1x1_SteadyStateDiffusion}/wedge-1e2-ang-0.2.vtu (100%)
 rename Tests/Data/Elliptic/{square_1x1_GroundWaterFlow => square_1x1_SteadyStateDiffusion}/wedge-1e4-ang-0.02-surface.vtu (100%)
 rename Tests/Data/Elliptic/{square_1x1_GroundWaterFlow => square_1x1_SteadyStateDiffusion}/wedge-1e4-ang-0.02.vtu (100%)
 rename Tests/Data/Elliptic/{square_1x1_GroundWaterFlow => square_1x1_SteadyStateDiffusion}/wedge-1e4-ang-0.2.vtu (100%)
 rename Tests/Data/Elliptic/{square_1x1_GroundWaterFlow => square_1x1_SteadyStateDiffusion}/wedge-ang-0.02.gml (100%)
 rename Tests/Data/Elliptic/{square_1x1_GroundWaterFlow => square_1x1_SteadyStateDiffusion}/wedge-ang-0.2.gml (100%)
 rename Tests/Data/Elliptic/{square_1x1_GroundWaterFlow => square_1x1_SteadyStateDiffusion}/wedge_1e2_axi_ang_0.02.prj (98%)
 rename Tests/Data/Elliptic/{square_1x1_GroundWaterFlow => square_1x1_SteadyStateDiffusion}/wedge_1e2_axi_ang_0.2.prj (98%)
 rename Tests/Data/Elliptic/{square_1x1_GroundWaterFlow => square_1x1_SteadyStateDiffusion}/wedge_1e4_axi_ang_0.02.prj (98%)
 rename Tests/Data/Elliptic/{square_1x1_GroundWaterFlow_Python => square_1x1_SteadyStateDiffusion_Python}/bcs_laplace_eq.py (100%)
 rename Tests/Data/Elliptic/{square_1x1_GroundWaterFlow_Python => square_1x1_SteadyStateDiffusion_Python}/python_laplace_eq_ref.vtu (100%)
 rename Tests/Data/Elliptic/{square_1x1_GroundWaterFlow_Python => square_1x1_SteadyStateDiffusion_Python}/sin_x_sin_y_source_term.py (100%)
 rename Tests/Data/Elliptic/{square_1x1_GroundWaterFlow_Python => square_1x1_SteadyStateDiffusion_Python}/square_1e3_laplace_eq.prj (98%)
 rename Tests/Data/Elliptic/{square_1x1_GroundWaterFlow_Python => square_1x1_SteadyStateDiffusion_Python}/square_1e3_poisson_sin_x_sin_y.prj (98%)
 rename Tests/Data/Elliptic/{square_1x1_GroundWaterFlow_Python => square_1x1_SteadyStateDiffusion_Python}/square_1e5_poisson_sin_x_sin_y.prj (98%)
 rename Tests/Data/Elliptic/{square_1x1_GroundWaterFlow_Python => square_1x1_SteadyStateDiffusion_Python}/square_1x1.gml (100%)
 rename Tests/Data/Elliptic/{square_1x1_GroundWaterFlow_Python => square_1x1_SteadyStateDiffusion_Python}/square_1x1_quad_1e3.vtu (100%)
 rename Tests/Data/Elliptic/{square_1x1_GroundWaterFlow_Python => square_1x1_SteadyStateDiffusion_Python}/square_1x1_quad_1e3_entire_domain.vtu (100%)
 rename Tests/Data/Elliptic/{square_1x1_GroundWaterFlow_Python => square_1x1_SteadyStateDiffusion_Python}/square_1x1_quad_1e3_geometry_ll.vtu (100%)
 rename Tests/Data/Elliptic/{square_1x1_GroundWaterFlow_Python => square_1x1_SteadyStateDiffusion_Python}/square_1x1_quad_1e3_geometry_lr.vtu (100%)
 rename Tests/Data/Elliptic/{square_1x1_GroundWaterFlow_Python => square_1x1_SteadyStateDiffusion_Python}/square_1x1_quad_1e3_geometry_ul.vtu (100%)
 rename Tests/Data/Elliptic/{square_1x1_GroundWaterFlow_Python => square_1x1_SteadyStateDiffusion_Python}/square_1x1_quad_1e3_geometry_ur.vtu (100%)
 rename Tests/Data/Elliptic/{square_1x1_GroundWaterFlow_Python => square_1x1_SteadyStateDiffusion_Python}/square_1x1_quad_1e5.vtu (100%)
 rename Tests/Data/Elliptic/{square_1x1_GroundWaterFlow_Python => square_1x1_SteadyStateDiffusion_Python}/square_1x1_quad_1e5_entire_domain.vtu (100%)
 rename Tests/Data/Elliptic/{square_1x1_GroundWaterFlow_Python => square_1x1_SteadyStateDiffusion_Python}/square_1x1_quad_1e5_geometry_ll.vtu (100%)
 rename Tests/Data/Elliptic/{square_1x1_GroundWaterFlow_Python => square_1x1_SteadyStateDiffusion_Python}/square_1x1_quad_1e5_geometry_lr.vtu (100%)
 rename Tests/Data/Elliptic/{square_1x1_GroundWaterFlow_Python => square_1x1_SteadyStateDiffusion_Python}/square_1x1_quad_1e5_geometry_ul.vtu (100%)
 rename Tests/Data/Elliptic/{square_1x1_GroundWaterFlow_Python => square_1x1_SteadyStateDiffusion_Python}/square_1x1_quad_1e5_geometry_ur.vtu (100%)
 rename Tests/Data/Elliptic/{wedge_1x1x1_GroundWaterFlow => wedge_1x1x1_SteadyStateDiffusion}/wedge_1e3_prism_surfaceflux_diagonal.prj (98%)
 rename Tests/Data/Elliptic/{wedge_1x1x1_GroundWaterFlow => wedge_1x1x1_SteadyStateDiffusion}/wedge_1x1x1.gml (100%)
 rename Tests/Data/Elliptic/{wedge_1x1x1_GroundWaterFlow => wedge_1x1x1_SteadyStateDiffusion}/wedge_1x1x1_1e3_prism.vtu (100%)
 rename Tests/Data/Elliptic/{wedge_1x1x1_GroundWaterFlow => wedge_1x1x1_SteadyStateDiffusion}/wedge_1x1x1_1e3_prism_bottom.vtu (100%)
 rename Tests/Data/Elliptic/{wedge_1x1x1_GroundWaterFlow => wedge_1x1x1_SteadyStateDiffusion}/wedge_1x1x1_1e3_prism_complete_surface.vtu (100%)
 rename Tests/Data/Elliptic/{wedge_1x1x1_GroundWaterFlow => wedge_1x1x1_SteadyStateDiffusion}/wedge_1x1x1_1e3_prism_complete_surface_specific_flux_t_1.000000.vtu (100%)
 rename Tests/Data/Elliptic/{wedge_1x1x1_GroundWaterFlow => wedge_1x1x1_SteadyStateDiffusion}/wedge_1x1x1_1e3_prism_diagonal-left-front--right-back.vtu (100%)
 rename Tests/Data/Elliptic/{wedge_1x1x1_GroundWaterFlow => wedge_1x1x1_SteadyStateDiffusion}/wedge_1x1x1_1e3_prism_left-front-top-bottom.vtu (100%)

diff --git a/ProcessLib/SteadyStateDiffusion/Tests.cmake b/ProcessLib/SteadyStateDiffusion/Tests.cmake
index 54408f819e4..59913e5186f 100644
--- a/ProcessLib/SteadyStateDiffusion/Tests.cmake
+++ b/ProcessLib/SteadyStateDiffusion/Tests.cmake
@@ -1,8 +1,8 @@
 # CUBE 1x1x1 GROUNDWATER FLOW TESTS
 foreach(mesh_size 1e0 1e1 1e2 1e3)
     AddTest(
-        NAME GroundWaterFlowProcess_cube_1x1x1_${mesh_size}
-        PATH Elliptic/cube_1x1x1_GroundWaterFlow
+        NAME SteadyStateDiffusion_cube_1x1x1_${mesh_size}
+        PATH Elliptic/cube_1x1x1_SteadyStateDiffusion
         EXECUTABLE ogs
         EXECUTABLE_ARGS cube_${mesh_size}.prj
         TESTER vtkdiff
@@ -12,8 +12,8 @@ foreach(mesh_size 1e0 1e1 1e2 1e3)
     )
 
     AddTest(
-        NAME GroundWaterFlowProcess_cube_1x1x1_${mesh_size}_Newton
-        PATH Elliptic/cube_1x1x1_GroundWaterFlow
+        NAME SteadyStateDiffusion_cube_1x1x1_${mesh_size}_Newton
+        PATH Elliptic/cube_1x1x1_SteadyStateDiffusion
         EXECUTABLE ogs
         EXECUTABLE_ARGS cube_${mesh_size}_newton.prj
         TESTER vtkdiff
@@ -23,8 +23,8 @@ foreach(mesh_size 1e0 1e1 1e2 1e3)
     )
 
     AddTest(
-        NAME GroundWaterFlowProcess_cube_1x1x1_Neumann_${mesh_size}
-        PATH Elliptic/cube_1x1x1_GroundWaterFlow
+        NAME SteadyStateDiffusion_cube_1x1x1_Neumann_${mesh_size}
+        PATH Elliptic/cube_1x1x1_SteadyStateDiffusion
         EXECUTABLE ogs
         EXECUTABLE_ARGS cube_${mesh_size}_neumann.prj
         TESTER vtkdiff
@@ -39,8 +39,8 @@ foreach(mesh_size 1e4 2e4 3e4 4e4 5e4 1e5 1e6)
         set(benchmark_type LARGE_)
     endif()
     AddTest(
-        NAME ${benchmark_type}GroundWaterFlowProcess_cube_1x1x1_${mesh_size}
-        PATH Elliptic/cube_1x1x1_GroundWaterFlow
+        NAME ${benchmark_type}SteadyStateDiffusion_cube_1x1x1_${mesh_size}
+        PATH Elliptic/cube_1x1x1_SteadyStateDiffusion
         EXECUTABLE ogs
         EXECUTABLE_ARGS cube_${mesh_size}.prj
         TESTER vtkdiff
@@ -50,8 +50,8 @@ foreach(mesh_size 1e4 2e4 3e4 4e4 5e4 1e5 1e6)
     )
 
     AddTest(
-        NAME ${benchmark_type}GroundWaterFlowProcess_cube_1x1x1_Neumann_${mesh_size}
-        PATH Elliptic/cube_1x1x1_GroundWaterFlow
+        NAME ${benchmark_type}SteadyStateDiffusion_cube_1x1x1_Neumann_${mesh_size}
+        PATH Elliptic/cube_1x1x1_SteadyStateDiffusion
         EXECUTABLE ogs
         EXECUTABLE_ARGS cube_${mesh_size}_neumann.prj
         TESTER vtkdiff
@@ -63,8 +63,8 @@ endforeach()
 
 # Quadratic hex element.
 AddTest(
-    NAME GroundWaterFlowProcess_cube_1x1x1_1e0_QuadraticHex
-    PATH Elliptic/cube_1x1x1_GroundWaterFlow
+    NAME SteadyStateDiffusion_cube_1x1x1_1e0_QuadraticHex
+    PATH Elliptic/cube_1x1x1_SteadyStateDiffusion
     EXECUTABLE ogs
     EXECUTABLE_ARGS cube_1e0_quadratic_hex.prj
     TESTER vtkdiff
@@ -76,8 +76,8 @@ AddTest(
 # SQUARE 1x1 GROUNDWATER FLOW TESTS
 foreach(mesh_size 1e0 1e1 1e2 1e3 1e4)
     AddTest(
-        NAME GroundWaterFlowProcess_square_1x1_${mesh_size}
-        PATH Elliptic/square_1x1_GroundWaterFlow
+        NAME SteadyStateDiffusion_square_1x1_${mesh_size}
+        PATH Elliptic/square_1x1_SteadyStateDiffusion
         EXECUTABLE ogs
         EXECUTABLE_ARGS square_${mesh_size}.prj
         TESTER vtkdiff
@@ -88,8 +88,8 @@ foreach(mesh_size 1e0 1e1 1e2 1e3 1e4)
     )
 
     AddTest(
-        NAME GroundWaterFlowProcess_square_1x1_Neumann_${mesh_size}
-        PATH Elliptic/square_1x1_GroundWaterFlow
+        NAME SteadyStateDiffusion_square_1x1_Neumann_${mesh_size}
+        PATH Elliptic/square_1x1_SteadyStateDiffusion
         EXECUTABLE ogs
         EXECUTABLE_ARGS square_${mesh_size}_neumann.prj
         TESTER vtkdiff
@@ -105,8 +105,8 @@ foreach(mesh_size 1e5 1e6)
         set(benchmark_type LARGE_)
     endif()
     AddTest(
-        NAME ${benchmark_type}GroundWaterFlowProcess_square_1x1_Neumann_${mesh_size}
-        PATH Elliptic/square_1x1_GroundWaterFlow
+        NAME ${benchmark_type}SteadyStateDiffusion_square_1x1_Neumann_${mesh_size}
+        PATH Elliptic/square_1x1_SteadyStateDiffusion
         EXECUTABLE ogs
         EXECUTABLE_ARGS square_${mesh_size}_neumann.prj
         TESTER vtkdiff
@@ -117,8 +117,8 @@ foreach(mesh_size 1e5 1e6)
 endforeach()
 
 AddTest(
-    NAME GroundWaterFlowProcess_square_1x1_1e5
-    PATH Elliptic/square_1x1_GroundWaterFlow
+    NAME SteadyStateDiffusion_square_1x1_1e5
+    PATH Elliptic/square_1x1_SteadyStateDiffusion
     RUNTIME 2
     EXECUTABLE ogs
     EXECUTABLE_ARGS square_1e5.prj
@@ -130,8 +130,8 @@ AddTest(
 
 # The largest test is less accurate
 AddTest(
-    NAME LARGE_GroundWaterFlowProcess_square_1x1_1e6
-    PATH Elliptic/square_1x1_GroundWaterFlow
+    NAME LARGE_SteadyStateDiffusion_square_1x1_1e6
+    PATH Elliptic/square_1x1_SteadyStateDiffusion
     RUNTIME 36
     EXECUTABLE ogs
     EXECUTABLE_ARGS square_1e6.prj
@@ -144,8 +144,8 @@ AddTest(
 # LINE 1 GROUNDWATER FLOW TESTS
 foreach(mesh_size 1e1)
     AddTest(
-        NAME GroundWaterFlowProcess_line_1_${mesh_size}
-        PATH Elliptic/line_1_GroundWaterFlow
+        NAME SteadyStateDiffusion_line_1_${mesh_size}
+        PATH Elliptic/line_1_SteadyStateDiffusion
         EXECUTABLE ogs
         EXECUTABLE_ARGS line_${mesh_size}.prj
         TESTER vtkdiff
@@ -155,8 +155,8 @@ foreach(mesh_size 1e1)
     )
 
     AddTest(
-        NAME GroundWaterFlowProcess_line_1_Neumann_${mesh_size}
-        PATH Elliptic/line_1_GroundWaterFlow
+        NAME SteadyStateDiffusion_line_1_Neumann_${mesh_size}
+        PATH Elliptic/line_1_SteadyStateDiffusion
         EXECUTABLE ogs
         EXECUTABLE_ARGS line_${mesh_size}_neumann.prj
         TESTER vtkdiff
@@ -166,8 +166,8 @@ foreach(mesh_size 1e1)
     )
 
     AddTest(
-        NAME GroundWaterFlowProcess_line_1_Robin_Right_Picard_${mesh_size}
-        PATH Elliptic/line_1_GroundWaterFlow
+        NAME SteadyStateDiffusion_line_1_Robin_Right_Picard_${mesh_size}
+        PATH Elliptic/line_1_SteadyStateDiffusion
         EXECUTABLE ogs
         EXECUTABLE_ARGS line_${mesh_size}_robin_right_picard.prj
         TESTER vtkdiff
@@ -177,8 +177,8 @@ foreach(mesh_size 1e1)
     )
 
     AddTest(
-        NAME GroundWaterFlowProcess_line_1_Robin_Left_Picard_${mesh_size}
-        PATH Elliptic/line_1_GroundWaterFlow
+        NAME SteadyStateDiffusion_line_1_Robin_Left_Picard_${mesh_size}
+        PATH Elliptic/line_1_SteadyStateDiffusion
         EXECUTABLE ogs
         EXECUTABLE_ARGS line_${mesh_size}_robin_left_picard.prj
         TESTER vtkdiff
@@ -188,8 +188,8 @@ foreach(mesh_size 1e1)
     )
 
     AddTest(
-        NAME GroundWaterFlowProcess_line_1_Time_Dep_Dirichlet_${mesh_size}
-        PATH Elliptic/line_1_GroundWaterFlow
+        NAME SteadyStateDiffusion_line_1_Time_Dep_Dirichlet_${mesh_size}
+        PATH Elliptic/line_1_SteadyStateDiffusion
         EXECUTABLE ogs
         EXECUTABLE_ARGS line_${mesh_size}_time_dep_dirichlet.prj
         TESTER vtkdiff
@@ -201,8 +201,8 @@ foreach(mesh_size 1e1)
     )
 
     AddTest(
-        NAME GroundWaterFlowProcess_line_1_Time_Dep_Neumann_${mesh_size}
-        PATH Elliptic/line_1_GroundWaterFlow
+        NAME SteadyStateDiffusion_line_1_Time_Dep_Neumann_${mesh_size}
+        PATH Elliptic/line_1_SteadyStateDiffusion
         EXECUTABLE ogs
         EXECUTABLE_ARGS line_${mesh_size}_time_dep_neumann.prj
         TESTER vtkdiff
@@ -216,8 +216,8 @@ endforeach()
 
 # Some Neumann BC tests
 AddTest(
-    NAME GroundWaterFlowProcess_cube_top
-    PATH Elliptic/cube_1x1x1_GroundWaterFlow
+    NAME SteadyStateDiffusion_cube_top
+    PATH Elliptic/cube_1x1x1_SteadyStateDiffusion
     EXECUTABLE ogs
     EXECUTABLE_ARGS cube_1e3_top_neumann.prj
     TESTER vtkdiff
@@ -226,8 +226,8 @@ AddTest(
     cube_1e3_top_neumann.vtu cube_1e3_top_neumann_pcs_0_ts_1_t_1.000000.vtu pressure pressure 1e-14 1e-14
 )
 AddTest(
-    NAME GroundWaterFlowProcess_cube_bottom
-    PATH Elliptic/cube_1x1x1_GroundWaterFlow
+    NAME SteadyStateDiffusion_cube_bottom
+    PATH Elliptic/cube_1x1x1_SteadyStateDiffusion
     EXECUTABLE ogs
     EXECUTABLE_ARGS cube_1e3_bottom_neumann.prj
     TESTER vtkdiff
@@ -237,8 +237,8 @@ AddTest(
 )
 # Some Neumann BC tests -- Newton
 AddTest(
-    NAME GroundWaterFlowProcess_cube_top_Newton
-    PATH Elliptic/cube_1x1x1_GroundWaterFlow
+    NAME SteadyStateDiffusion_cube_top_Newton
+    PATH Elliptic/cube_1x1x1_SteadyStateDiffusion
     EXECUTABLE ogs
     EXECUTABLE_ARGS cube_1e3_top_neumann_newton.prj
     TESTER vtkdiff
@@ -247,8 +247,8 @@ AddTest(
     cube_1e3_top_neumann.vtu cube_1e3_top_neumann_newton_pcs_0_ts_1_t_1.000000.vtu pressure pressure 1e-14 1e-14
 )
 AddTest(
-    NAME GroundWaterFlowProcess_cube_bottom_Newton
-    PATH Elliptic/cube_1x1x1_GroundWaterFlow
+    NAME SteadyStateDiffusion_cube_bottom_Newton
+    PATH Elliptic/cube_1x1x1_SteadyStateDiffusion
     EXECUTABLE ogs
     EXECUTABLE_ARGS cube_1e3_bottom_neumann_newton.prj
     TESTER vtkdiff
@@ -259,8 +259,8 @@ AddTest(
 
 # test SurfaceFlux
 AddTest(
-    NAME GroundWaterFlowProcess_cube_1x1x1_1e3_dirichlet_calculatesurfaceflux
-    PATH Elliptic/cube_1x1x1_GroundWaterFlow
+    NAME SteadyStateDiffusion_cube_1x1x1_1e3_dirichlet_calculatesurfaceflux
+    PATH Elliptic/cube_1x1x1_SteadyStateDiffusion
     EXECUTABLE ogs
     EXECUTABLE_ARGS cube_1e3_calculatesurfaceflux.prj
     TESTER vtkdiff
@@ -269,8 +269,8 @@ AddTest(
     cube_1x1x1_hex_1e3_complete_surface_left_right_dirichlet_specific_flux_t_1.000000.vtu cube_1x1x1_hex_1e3_complete_surface_left_right_dirichlet_specific_flux_t_1.000000.vtu specific_flux specific_flux 5e-15 5e-15
 )
 AddTest(
-    NAME GroundWaterFlowProcess_cube_1x1x1_1e3_neumann_calculatesurfaceflux
-    PATH Elliptic/cube_1x1x1_GroundWaterFlow
+    NAME SteadyStateDiffusion_cube_1x1x1_1e3_neumann_calculatesurfaceflux
+    PATH Elliptic/cube_1x1x1_SteadyStateDiffusion
     EXECUTABLE ogs
     EXECUTABLE_ARGS cube_1e3_neumann_calculatesurfaceflux.prj
     TESTER vtkdiff
@@ -279,8 +279,8 @@ AddTest(
     cube_1x1x1_hex_1e3_complete_surface_neumann_specific_flux_t_1.000000.vtu cube_1x1x1_hex_1e3_complete_surface_neumann_specific_flux_t_1.000000.vtu specific_flux specific_flux 2e-14 2e-14
 )
 AddTest(
-    NAME GroundWaterFlowProcess_cube_1x1x1_2e3_prism_surfaceflux_left_right
-    PATH Elliptic/cube_1x1x1_GroundWaterFlow
+    NAME SteadyStateDiffusion_cube_1x1x1_2e3_prism_surfaceflux_left_right
+    PATH Elliptic/cube_1x1x1_SteadyStateDiffusion
     EXECUTABLE ogs
     EXECUTABLE_ARGS cube_2e3_prism_surfaceflux_left_right.prj
     TESTER vtkdiff
@@ -290,8 +290,8 @@ AddTest(
 )
 
 AddTest(
-    NAME GroundWaterFlowProcess_cube_1x1x1_2e3_prism_surfaceflux_front_back
-    PATH Elliptic/cube_1x1x1_GroundWaterFlow
+    NAME SteadyStateDiffusion_cube_1x1x1_2e3_prism_surfaceflux_front_back
+    PATH Elliptic/cube_1x1x1_SteadyStateDiffusion
     EXECUTABLE ogs
     EXECUTABLE_ARGS cube_2e3_prism_surfaceflux_front_back.prj
     TESTER vtkdiff
@@ -301,8 +301,8 @@ AddTest(
 )
 
 AddTest(
-    NAME GroundWaterFlowProcess_cube_1x1x1_2e3_prism_surfaceflux_top_bottom
-    PATH Elliptic/cube_1x1x1_GroundWaterFlow
+    NAME SteadyStateDiffusion_cube_1x1x1_2e3_prism_surfaceflux_top_bottom
+    PATH Elliptic/cube_1x1x1_SteadyStateDiffusion
     EXECUTABLE ogs
     EXECUTABLE_ARGS cube_2e3_prism_surfaceflux_top_bottom.prj
     TESTER vtkdiff
@@ -312,8 +312,8 @@ AddTest(
 )
 
 AddTest(
-    NAME GroundWaterFlowProcess_wedge_1x1x1_1e3_prism_surfaceflux
-    PATH Elliptic/wedge_1x1x1_GroundWaterFlow
+    NAME SteadyStateDiffusion_wedge_1x1x1_1e3_prism_surfaceflux
+    PATH Elliptic/wedge_1x1x1_SteadyStateDiffusion
     EXECUTABLE ogs
     EXECUTABLE_ARGS wedge_1e3_prism_surfaceflux_diagonal.prj
     TESTER vtkdiff
@@ -325,8 +325,8 @@ AddTest(
 # SQUARE 1x1 GROUNDWATER FLOW TEST -- AXIALLY SYMMETRIC
 # test results are compared to 3D simulation on a wedge-shaped domain
 AddTest(
-    NAME GroundWaterFlowProcess_square_1x1_1e2_axi
-    PATH Elliptic/square_1x1_GroundWaterFlow
+    NAME SteadyStateDiffusion_square_1x1_1e2_axi
+    PATH Elliptic/square_1x1_SteadyStateDiffusion
     EXECUTABLE ogs
     EXECUTABLE_ARGS square_1e2_axi.prj
     TESTER vtkdiff
@@ -336,8 +336,8 @@ AddTest(
 )
 # # WEDGE 1x1 GROUNDWATER FLOW TEST -- computes reference results for the above test
 # AddTest(
-#     NAME GroundWaterFlowProcess_wedge_1e2_ang_0.02
-#     PATH Elliptic/square_1x1_GroundWaterFlow
+#     NAME SteadyStateDiffusion_wedge_1e2_ang_0.02
+#     PATH Elliptic/square_1x1_SteadyStateDiffusion
 #     EXECUTABLE ogs
 #     EXECUTABLE_ARGS wedge_1e2_axi_ang_0.02.prj
 # )
@@ -345,8 +345,8 @@ AddTest(
 # SQUARE 1x1 GROUNDWATER FLOW TEST -- AXIALLY SYMMETRIC
 # test results are compared to 3D simulation on a wedge-shaped domain
 AddTest(
-    NAME GroundWaterFlowProcess_square_1x1_1e4_axi_ang_0.02
-    PATH Elliptic/square_1x1_GroundWaterFlow
+    NAME SteadyStateDiffusion_square_1x1_1e4_axi_ang_0.02
+    PATH Elliptic/square_1x1_SteadyStateDiffusion
     EXECUTABLE ogs
     EXECUTABLE_ARGS square_1e4_axi.prj
     TESTER vtkdiff
@@ -356,8 +356,8 @@ AddTest(
 )
 # # WEDGE 1x1 GROUNDWATER FLOW TEST -- computes reference results for the above test
 # AddTest(
-#     NAME GroundWaterFlowProcess_wedge_1e4_ang_0.02
-#     PATH Elliptic/square_1x1_GroundWaterFlow
+#     NAME SteadyStateDiffusion_wedge_1e4_ang_0.02
+#     PATH Elliptic/square_1x1_SteadyStateDiffusion
 #     EXECUTABLE ogs
 #     EXECUTABLE_ARGS wedge_1e4_axi_ang_0.02.prj
 # )
@@ -424,8 +424,8 @@ AddTest(
 # CUBE 1x1x1 GROUNDWATER FLOW TESTS
 foreach(mesh_size 1e0 1e1 1e2 1e3)
     AddTest(
-        NAME GroundWaterFlowProcess_cube_1x1x1_${mesh_size}
-        PATH Elliptic/cube_1x1x1_GroundWaterFlow
+        NAME SteadyStateDiffusion_cube_1x1x1_${mesh_size}
+        PATH Elliptic/cube_1x1x1_SteadyStateDiffusion
         EXECUTABLE_ARGS cube_${mesh_size}.prj
         WRAPPER mpirun
         WRAPPER_ARGS -np 1
@@ -436,8 +436,8 @@ foreach(mesh_size 1e0 1e1 1e2 1e3)
     )
 
     AddTest(
-        NAME GroundWaterFlowProcess_cube_1x1x1_Neumann_${mesh_size}
-        PATH Elliptic/cube_1x1x1_GroundWaterFlow
+        NAME SteadyStateDiffusion_cube_1x1x1_Neumann_${mesh_size}
+        PATH Elliptic/cube_1x1x1_SteadyStateDiffusion
         EXECUTABLE_ARGS cube_${mesh_size}_neumann.prj
         WRAPPER mpirun
         WRAPPER_ARGS -np 1
@@ -451,8 +451,8 @@ endforeach()
 # TODO: Parallel LARGE tests not tested!
 foreach(mesh_size 1e4 2e4 3e4 4e4 5e4 1e5 1e6)
     AddTest(
-        NAME LARGE_GroundWaterFlowProcess_cube_1x1x1_${mesh_size}
-        PATH Elliptic/cube_1x1x1_GroundWaterFlow
+        NAME LARGE_SteadyStateDiffusion_cube_1x1x1_${mesh_size}
+        PATH Elliptic/cube_1x1x1_SteadyStateDiffusion
         EXECUTABLE_ARGS cube_${mesh_size}.prj
         WRAPPER mpirun
         WRAPPER_ARGS -np 1
@@ -463,8 +463,8 @@ foreach(mesh_size 1e4 2e4 3e4 4e4 5e4 1e5 1e6)
     )
 
     AddTest(
-        NAME LARGE_GroundWaterFlowProcess_cube_1x1x1_Neumann_${mesh_size}
-        PATH Elliptic/cube_1x1x1_GroundWaterFlow
+        NAME LARGE_SteadyStateDiffusion_cube_1x1x1_Neumann_${mesh_size}
+        PATH Elliptic/cube_1x1x1_SteadyStateDiffusion
         EXECUTABLE_ARGS cube_${mesh_size}_neumann.prj
         WRAPPER mpirun
         WRAPPER_ARGS -np 1
@@ -478,8 +478,8 @@ endforeach()
 # SQUARE 1x1 GROUNDWATER FLOW TESTS
 foreach(mesh_size 1e0 1e1 1e2 1e3 1e4)
     AddTest(
-        NAME GroundWaterFlowProcess_square_1x1_${mesh_size}
-        PATH Elliptic/square_1x1_GroundWaterFlow
+        NAME SteadyStateDiffusion_square_1x1_${mesh_size}
+        PATH Elliptic/square_1x1_SteadyStateDiffusion
         EXECUTABLE_ARGS square_${mesh_size}.prj
         WRAPPER mpirun
         WRAPPER_ARGS -np 1
@@ -490,8 +490,8 @@ foreach(mesh_size 1e0 1e1 1e2 1e3 1e4)
     )
 
     AddTest(
-        NAME GroundWaterFlowProcess_square_1x1_Neumann_${mesh_size}
-        PATH Elliptic/square_1x1_GroundWaterFlow
+        NAME SteadyStateDiffusion_square_1x1_Neumann_${mesh_size}
+        PATH Elliptic/square_1x1_SteadyStateDiffusion
         EXECUTABLE_ARGS square_${mesh_size}_neumann.prj
         WRAPPER mpirun
         WRAPPER_ARGS -np 1
@@ -504,8 +504,8 @@ endforeach()
 
 foreach(mesh_size 1e5 1e6)
     AddTest(
-        NAME LARGE_GroundWaterFlowProcess_square_1x1_${mesh_size}
-        PATH Elliptic/square_1x1_GroundWaterFlow
+        NAME LARGE_SteadyStateDiffusion_square_1x1_${mesh_size}
+        PATH Elliptic/square_1x1_SteadyStateDiffusion
         EXECUTABLE_ARGS square_${mesh_size}.prj
         WRAPPER mpirun
         WRAPPER_ARGS -np 1
@@ -516,8 +516,8 @@ foreach(mesh_size 1e5 1e6)
     )
 
     AddTest(
-        NAME LARGE_GroundWaterFlowProcess_square_1x1_Neumann_${mesh_size}
-        PATH Elliptic/square_1x1_GroundWaterFlow
+        NAME LARGE_SteadyStateDiffusion_square_1x1_Neumann_${mesh_size}
+        PATH Elliptic/square_1x1_SteadyStateDiffusion
         EXECUTABLE_ARGS square_${mesh_size}_neumann.prj
         WRAPPER mpirun
         WRAPPER_ARGS -np 1
@@ -531,8 +531,8 @@ endforeach()
 # LINE 1 GROUNDWATER FLOW TESTS
 foreach(mesh_size 1e1)
     AddTest(
-        NAME GroundWaterFlowProcess_line_1_${mesh_size}
-        PATH Elliptic/line_1_GroundWaterFlow
+        NAME SteadyStateDiffusion_line_1_${mesh_size}
+        PATH Elliptic/line_1_SteadyStateDiffusion
         EXECUTABLE_ARGS line_${mesh_size}.prj
         WRAPPER mpirun
         WRAPPER_ARGS -np 1
@@ -543,8 +543,8 @@ foreach(mesh_size 1e1)
     )
 
     AddTest(
-        NAME GroundWaterFlowProcess_line_1_Neumann_${mesh_size}
-        PATH Elliptic/line_1_GroundWaterFlow
+        NAME SteadyStateDiffusion_line_1_Neumann_${mesh_size}
+        PATH Elliptic/line_1_SteadyStateDiffusion
         EXECUTABLE_ARGS line_${mesh_size}_neumann.prj
         WRAPPER mpirun
         WRAPPER_ARGS -np 1
@@ -556,8 +556,8 @@ foreach(mesh_size 1e1)
 endforeach()
 
 AddTest(
-    NAME GroundWaterFlowProcess_Inhomogeneous_permeability
-    PATH Elliptic/nonuniform_bc_Groundwaterflow
+    NAME SteadyStateDiffusion_Inhomogeneous_permeability
+    PATH Elliptic/nonuniform_bc_SteadyStateDiffusion
     EXECUTABLE ogs
     EXECUTABLE_ARGS inhomogeneous_permeability.prj
     TESTER vtkdiff
@@ -567,8 +567,8 @@ AddTest(
 )
 
 AddTest(
-    NAME GroundWaterFlowProcess_Neumann_nonuniform_cosY
-    PATH Elliptic/nonuniform_bc_Groundwaterflow
+    NAME SteadyStateDiffusion_Neumann_nonuniform_cosY
+    PATH Elliptic/nonuniform_bc_SteadyStateDiffusion
     EXECUTABLE ogs
     EXECUTABLE_ARGS neumann_nonuniform.prj
     TESTER vtkdiff
@@ -579,8 +579,8 @@ AddTest(
 )
 
 AddTest(
-    NAME GroundWaterFlowProcess_Dirichlet_nonuniform_linearY
-    PATH Elliptic/nonuniform_bc_Groundwaterflow
+    NAME SteadyStateDiffusion_Dirichlet_nonuniform_linearY
+    PATH Elliptic/nonuniform_bc_SteadyStateDiffusion
     EXECUTABLE ogs
     EXECUTABLE_ARGS dirichlet_nonuniform.prj
     TESTER vtkdiff
@@ -594,7 +594,7 @@ AddTest(
 # analytical solution in 2 dimensions is valid:
 # u(x,y) = ln(sqrt((x-xi)^2+(y-eta)^2))/(2 * Pi)
 AddTest(
-    NAME GroundWaterFlowProcess_NodalSourceTerm_circle_1e1
+    NAME SteadyStateDiffusion_NodalSourceTerm_circle_1e1
     PATH Elliptic/circle_radius_1
     EXECUTABLE ogs
     EXECUTABLE_ARGS circle_1e1_axi.prj
@@ -607,7 +607,7 @@ AddTest(
 )
 
 AddTest(
-    NAME GroundWaterFlowProcess_NodalSourceTerm_circle_1e2
+    NAME SteadyStateDiffusion_NodalSourceTerm_circle_1e2
     PATH Elliptic/circle_radius_1
     EXECUTABLE ogs
     EXECUTABLE_ARGS circle_1e2_axi.prj
@@ -620,7 +620,7 @@ AddTest(
 )
 
 AddTest(
-    NAME GroundWaterFlowProcess_NodalSourceTerm_circle_1e3
+    NAME SteadyStateDiffusion_NodalSourceTerm_circle_1e3
     PATH Elliptic/circle_radius_1
     EXECUTABLE ogs
     EXECUTABLE_ARGS circle_1e3_axi.prj
@@ -633,7 +633,7 @@ AddTest(
 )
 
 AddTest(
-    NAME GroundWaterFlowProcess_NodalSourceTerm_circle_1e4
+    NAME SteadyStateDiffusion_NodalSourceTerm_circle_1e4
     PATH Elliptic/circle_radius_1
     EXECUTABLE ogs
     EXECUTABLE_ARGS circle_1e4_axi.prj
@@ -646,7 +646,7 @@ AddTest(
 )
 
 AddTest(
-    NAME GroundWaterFlowProcess_NodalSourceTerm_circle_1e5
+    NAME SteadyStateDiffusion_NodalSourceTerm_circle_1e5
     PATH Elliptic/circle_radius_1
     EXECUTABLE ogs
     EXECUTABLE_ARGS circle_1e5_axi.prj
@@ -659,7 +659,7 @@ AddTest(
 )
 
 AddTest(
-    NAME LARGE_GroundWaterFlowProcess_NodalSourceTerm_circle_1e6
+    NAME LARGE_SteadyStateDiffusion_NodalSourceTerm_circle_1e6
     PATH Elliptic/circle_radius_1
     EXECUTABLE ogs
     EXECUTABLE_ARGS circle_1e6_axi.prj
@@ -672,8 +672,8 @@ AddTest(
 )
 
 AddTest(
-    NAME LARGE_GroundWaterFlowProcess_NodalSourceTerm_square_1e6
-    PATH Elliptic/square_1x1_GroundWaterFlow
+    NAME LARGE_SteadyStateDiffusion_NodalSourceTerm_square_1e6
+    PATH Elliptic/square_1x1_SteadyStateDiffusion
     EXECUTABLE ogs
     EXECUTABLE_ARGS square_1e6_with_nodal_sources.prj
     WRAPPER time
@@ -685,8 +685,8 @@ AddTest(
 )
 
 AddTest(
-    NAME GroundWaterFlowProcess_VolumetricSourceTerm_square_1e2
-    PATH Elliptic/square_1x1_GroundWaterFlow
+    NAME SteadyStateDiffusion_VolumetricSourceTerm_square_1e2
+    PATH Elliptic/square_1x1_SteadyStateDiffusion
     EXECUTABLE ogs
     EXECUTABLE_ARGS square_1e2_volumetricsourceterm.prj
     WRAPPER time
@@ -697,8 +697,8 @@ AddTest(
 )
 
 AddTest(
-    NAME GroundWaterFlowProcess_VolumetricSourceTerm_square_1e3
-    PATH Elliptic/square_1x1_GroundWaterFlow
+    NAME SteadyStateDiffusion_VolumetricSourceTerm_square_1e3
+    PATH Elliptic/square_1x1_SteadyStateDiffusion
     EXECUTABLE ogs
     EXECUTABLE_ARGS square_1e3_volumetricsourceterm.prj
     WRAPPER time
@@ -709,7 +709,7 @@ AddTest(
 )
 
 AddTest(
-    NAME GroundWaterFlowProcess_NeumannBC_Along_Line_in_3D_domain
+    NAME SteadyStateDiffusion_NeumannBC_Along_Line_in_3D_domain
     PATH Elliptic/quarter_disc
     EXECUTABLE ogs
     EXECUTABLE_ARGS quarter_disc_neumann.prj
@@ -721,7 +721,7 @@ AddTest(
 )
 
 AddTest(
-    NAME GroundWaterFlowProcess_NeumannBC_In_Center_Point_2D_domain
+    NAME SteadyStateDiffusion_NeumannBC_In_Center_Point_2D_domain
     PATH Elliptic/quarter_circle
     EXECUTABLE ogs
     EXECUTABLE_ARGS quarter_circle_neumann.prj
@@ -733,8 +733,8 @@ AddTest(
 )
 
 AddTest(
-    NAME GroundWaterFlowProcess_VolumetricSourceTerm_sin_x_sin_y_square_1e3
-    PATH Elliptic/square_1x1_GroundWaterFlow
+    NAME SteadyStateDiffusion_VolumetricSourceTerm_sin_x_sin_y_square_1e3
+    PATH Elliptic/square_1x1_SteadyStateDiffusion
     EXECUTABLE ogs
     EXECUTABLE_ARGS square_1e3_volumetricsourcetermdataarray.prj
     WRAPPER time
@@ -747,8 +747,8 @@ AddTest(
 )
 
 AddTest(
-    NAME PythonBCGroundWaterFlowProcessLaplaceEqDirichletNeumann
-    PATH Elliptic/square_1x1_GroundWaterFlow_Python
+    NAME PythonBCSteadyStateDiffusionLaplaceEqDirichletNeumann
+    PATH Elliptic/square_1x1_SteadyStateDiffusion_Python
     EXECUTABLE ogs
     EXECUTABLE_ARGS square_1e3_laplace_eq.prj
     WRAPPER time
@@ -760,7 +760,7 @@ AddTest(
 
 AddTest(
     NAME PythonSourceTermPoissonSinAXSinBYDirichlet_square_1e3
-    PATH Elliptic/square_1x1_GroundWaterFlow_Python
+    PATH Elliptic/square_1x1_SteadyStateDiffusion_Python
     EXECUTABLE ogs
     EXECUTABLE_ARGS square_1e3_poisson_sin_x_sin_y.prj
     WRAPPER time
@@ -772,7 +772,7 @@ AddTest(
 
 AddTest(
     NAME PythonSourceTermPoissonSinAXSinBYDirichlet_square_1e5
-    PATH Elliptic/square_1x1_GroundWaterFlow_Python
+    PATH Elliptic/square_1x1_SteadyStateDiffusion_Python
     EXECUTABLE ogs
     EXECUTABLE_ARGS square_1e5_poisson_sin_x_sin_y.prj
     WRAPPER time
@@ -783,5 +783,5 @@ AddTest(
 )
 
 if (NOT OGS_USE_MPI)
-    OgsTest(PROJECTFILE "Elliptic/cube_1x1x1_GroundWaterFlow/cube_1e4_anisotropic.prj")
+    OgsTest(PROJECTFILE "Elliptic/cube_1x1x1_SteadyStateDiffusion/cube_1e4_anisotropic.prj")
 endif() # OGS_USE_MPI
diff --git a/Tests/Data/Elliptic/circle_radius_1/circle_1e1_axi.prj b/Tests/Data/Elliptic/circle_radius_1/circle_1e1_axi.prj
index 0d330a1d294..82df4e6b0ae 100644
--- a/Tests/Data/Elliptic/circle_radius_1/circle_1e1_axi.prj
+++ b/Tests/Data/Elliptic/circle_radius_1/circle_1e1_axi.prj
@@ -4,7 +4,7 @@
     <geometry>circle_1_axi.gml</geometry>
     <processes>
         <process>
-            <name>GW23</name>
+            <name>SteadyStateDiffusion</name>
             <type>STEADY_STATE_DIFFUSION</type>
             <integration_order>2</integration_order>
             <process_variables>
@@ -34,7 +34,7 @@
     </media>
     <time_loop>
         <processes>
-            <process ref="GW23">
+            <process ref="SteadyStateDiffusion">
                 <nonlinear_solver>basic_picard</nonlinear_solver>
                 <convergence_criterion>
                     <type>DeltaX</type>
diff --git a/Tests/Data/Elliptic/circle_radius_1/circle_1e2_axi.prj b/Tests/Data/Elliptic/circle_radius_1/circle_1e2_axi.prj
index 89b2353f494..27ad8cc9c9e 100644
--- a/Tests/Data/Elliptic/circle_radius_1/circle_1e2_axi.prj
+++ b/Tests/Data/Elliptic/circle_radius_1/circle_1e2_axi.prj
@@ -4,7 +4,7 @@
     <geometry>circle_1_axi.gml</geometry>
     <processes>
         <process>
-            <name>GW23</name>
+            <name>SteadyStateDiffusion</name>
             <type>STEADY_STATE_DIFFUSION</type>
             <integration_order>2</integration_order>
             <process_variables>
@@ -34,7 +34,7 @@
     </media>
     <time_loop>
         <processes>
-            <process ref="GW23">
+            <process ref="SteadyStateDiffusion">
                 <nonlinear_solver>basic_picard</nonlinear_solver>
                 <convergence_criterion>
                     <type>DeltaX</type>
diff --git a/Tests/Data/Elliptic/circle_radius_1/circle_1e3_axi.prj b/Tests/Data/Elliptic/circle_radius_1/circle_1e3_axi.prj
index 14d9a346cfb..9232168fae3 100644
--- a/Tests/Data/Elliptic/circle_radius_1/circle_1e3_axi.prj
+++ b/Tests/Data/Elliptic/circle_radius_1/circle_1e3_axi.prj
@@ -4,7 +4,7 @@
     <geometry>circle_1_axi.gml</geometry>
     <processes>
         <process>
-            <name>GW23</name>
+            <name>SteadyStateDiffusion</name>
             <type>STEADY_STATE_DIFFUSION</type>
             <integration_order>2</integration_order>
             <process_variables>
@@ -34,7 +34,7 @@
     </media>
     <time_loop>
         <processes>
-            <process ref="GW23">
+            <process ref="SteadyStateDiffusion">
                 <nonlinear_solver>basic_picard</nonlinear_solver>
                 <convergence_criterion>
                     <type>DeltaX</type>
diff --git a/Tests/Data/Elliptic/circle_radius_1/circle_1e4_axi.prj b/Tests/Data/Elliptic/circle_radius_1/circle_1e4_axi.prj
index 888046372b4..7887b13c8f5 100644
--- a/Tests/Data/Elliptic/circle_radius_1/circle_1e4_axi.prj
+++ b/Tests/Data/Elliptic/circle_radius_1/circle_1e4_axi.prj
@@ -4,7 +4,7 @@
     <geometry>circle_1_axi.gml</geometry>
     <processes>
         <process>
-            <name>GW23</name>
+            <name>SteadyStateDiffusion</name>
             <type>STEADY_STATE_DIFFUSION</type>
             <integration_order>2</integration_order>
             <process_variables>
@@ -34,7 +34,7 @@
     </media>
     <time_loop>
         <processes>
-            <process ref="GW23">
+            <process ref="SteadyStateDiffusion">
                 <nonlinear_solver>basic_picard</nonlinear_solver>
                 <convergence_criterion>
                     <type>DeltaX</type>
diff --git a/Tests/Data/Elliptic/circle_radius_1/circle_1e5_axi.prj b/Tests/Data/Elliptic/circle_radius_1/circle_1e5_axi.prj
index fd642939c9d..367391f2a14 100644
--- a/Tests/Data/Elliptic/circle_radius_1/circle_1e5_axi.prj
+++ b/Tests/Data/Elliptic/circle_radius_1/circle_1e5_axi.prj
@@ -4,7 +4,7 @@
     <geometry>circle_1_axi.gml</geometry>
     <processes>
         <process>
-            <name>GW23</name>
+            <name>SteadyStateDiffusion</name>
             <type>STEADY_STATE_DIFFUSION</type>
             <integration_order>2</integration_order>
             <process_variables>
@@ -34,7 +34,7 @@
     </media>
     <time_loop>
         <processes>
-            <process ref="GW23">
+            <process ref="SteadyStateDiffusion">
                 <nonlinear_solver>basic_picard</nonlinear_solver>
                 <convergence_criterion>
                     <type>DeltaX</type>
diff --git a/Tests/Data/Elliptic/circle_radius_1/circle_1e6_axi.prj b/Tests/Data/Elliptic/circle_radius_1/circle_1e6_axi.prj
index 87f69d06d62..2d5ab0fe741 100644
--- a/Tests/Data/Elliptic/circle_radius_1/circle_1e6_axi.prj
+++ b/Tests/Data/Elliptic/circle_radius_1/circle_1e6_axi.prj
@@ -4,7 +4,7 @@
     <geometry>circle_1_axi.gml</geometry>
     <processes>
         <process>
-            <name>GW23</name>
+            <name>SteadyStateDiffusion</name>
             <type>STEADY_STATE_DIFFUSION</type>
             <integration_order>2</integration_order>
             <process_variables>
@@ -34,7 +34,7 @@
     </media>
     <time_loop>
         <processes>
-            <process ref="GW23">
+            <process ref="SteadyStateDiffusion">
                 <nonlinear_solver>basic_picard</nonlinear_solver>
                 <convergence_criterion>
                     <type>DeltaX</type>
diff --git a/Tests/Data/Elliptic/cube_1x1x1_GroundWaterFlow/cube.py b/Tests/Data/Elliptic/cube_1x1x1_SteadyStateDiffusion/cube.py
similarity index 100%
rename from Tests/Data/Elliptic/cube_1x1x1_GroundWaterFlow/cube.py
rename to Tests/Data/Elliptic/cube_1x1x1_SteadyStateDiffusion/cube.py
diff --git a/Tests/Data/Elliptic/cube_1x1x1_GroundWaterFlow/cube_1e0.prj b/Tests/Data/Elliptic/cube_1x1x1_SteadyStateDiffusion/cube_1e0.prj
similarity index 97%
rename from Tests/Data/Elliptic/cube_1x1x1_GroundWaterFlow/cube_1e0.prj
rename to Tests/Data/Elliptic/cube_1x1x1_SteadyStateDiffusion/cube_1e0.prj
index 28f48b42008..17712469103 100644
--- a/Tests/Data/Elliptic/cube_1x1x1_GroundWaterFlow/cube_1e0.prj
+++ b/Tests/Data/Elliptic/cube_1x1x1_SteadyStateDiffusion/cube_1e0.prj
@@ -4,7 +4,7 @@
     <geometry>cube_1x1x1.gml</geometry>
     <processes>
         <process>
-            <name>GW23</name>
+            <name>SteadyStateDiffusion</name>
             <type>STEADY_STATE_DIFFUSION</type>
             <integration_order>2</integration_order>
             <process_variables>
@@ -33,7 +33,7 @@
     </media>
     <time_loop>
         <processes>
-            <process ref="GW23">
+            <process ref="SteadyStateDiffusion">
                 <nonlinear_solver>basic_picard</nonlinear_solver>
                 <convergence_criterion>
                     <type>DeltaX</type>
diff --git a/Tests/Data/Elliptic/cube_1x1x1_GroundWaterFlow/cube_1e0_neumann.prj b/Tests/Data/Elliptic/cube_1x1x1_SteadyStateDiffusion/cube_1e0_neumann.prj
similarity index 97%
rename from Tests/Data/Elliptic/cube_1x1x1_GroundWaterFlow/cube_1e0_neumann.prj
rename to Tests/Data/Elliptic/cube_1x1x1_SteadyStateDiffusion/cube_1e0_neumann.prj
index bad6c3b5b88..00984f89b12 100644
--- a/Tests/Data/Elliptic/cube_1x1x1_GroundWaterFlow/cube_1e0_neumann.prj
+++ b/Tests/Data/Elliptic/cube_1x1x1_SteadyStateDiffusion/cube_1e0_neumann.prj
@@ -4,7 +4,7 @@
     <geometry>cube_1x1x1.gml</geometry>
     <processes>
         <process>
-            <name>GW23</name>
+            <name>SteadyStateDiffusion</name>
             <type>STEADY_STATE_DIFFUSION</type>
             <integration_order>2</integration_order>
             <process_variables>
@@ -34,7 +34,7 @@
     </media>
     <time_loop>
         <processes>
-            <process ref="GW23">
+            <process ref="SteadyStateDiffusion">
                 <nonlinear_solver>basic_picard</nonlinear_solver>
                 <convergence_criterion>
                     <type>DeltaX</type>
diff --git a/Tests/Data/Elliptic/cube_1x1x1_GroundWaterFlow/cube_1e0_newton.prj b/Tests/Data/Elliptic/cube_1x1x1_SteadyStateDiffusion/cube_1e0_newton.prj
similarity index 97%
rename from Tests/Data/Elliptic/cube_1x1x1_GroundWaterFlow/cube_1e0_newton.prj
rename to Tests/Data/Elliptic/cube_1x1x1_SteadyStateDiffusion/cube_1e0_newton.prj
index c113ad7c7dd..0618bf38e99 100644
--- a/Tests/Data/Elliptic/cube_1x1x1_GroundWaterFlow/cube_1e0_newton.prj
+++ b/Tests/Data/Elliptic/cube_1x1x1_SteadyStateDiffusion/cube_1e0_newton.prj
@@ -4,7 +4,7 @@
     <geometry>cube_1x1x1.gml</geometry>
     <processes>
         <process>
-            <name>GW23</name>
+            <name>SteadyStateDiffusion</name>
             <type>STEADY_STATE_DIFFUSION</type>
             <integration_order>2</integration_order>
             <jacobian_assembler>
@@ -37,7 +37,7 @@
     </media>
     <time_loop>
         <processes>
-            <process ref="GW23">
+            <process ref="SteadyStateDiffusion">
                 <nonlinear_solver>basic_newton</nonlinear_solver>
                 <convergence_criterion>
                     <type>DeltaX</type>
diff --git a/Tests/Data/Elliptic/cube_1x1x1_GroundWaterFlow/cube_1e0_quadratic_hex.prj b/Tests/Data/Elliptic/cube_1x1x1_SteadyStateDiffusion/cube_1e0_quadratic_hex.prj
similarity index 97%
rename from Tests/Data/Elliptic/cube_1x1x1_GroundWaterFlow/cube_1e0_quadratic_hex.prj
rename to Tests/Data/Elliptic/cube_1x1x1_SteadyStateDiffusion/cube_1e0_quadratic_hex.prj
index dc346dfb317..0d2ec0e7989 100644
--- a/Tests/Data/Elliptic/cube_1x1x1_GroundWaterFlow/cube_1e0_quadratic_hex.prj
+++ b/Tests/Data/Elliptic/cube_1x1x1_SteadyStateDiffusion/cube_1e0_quadratic_hex.prj
@@ -4,7 +4,7 @@
     <geometry>cube_1x1x1.gml</geometry>
     <processes>
         <process>
-            <name>GW23</name>
+            <name>SteadyStateDiffusion</name>
             <type>STEADY_STATE_DIFFUSION</type>
             <integration_order>3</integration_order>
             <process_variables>
@@ -34,7 +34,7 @@
     </media>
     <time_loop>
         <processes>
-            <process ref="GW23">
+            <process ref="SteadyStateDiffusion">
                 <nonlinear_solver>basic_picard</nonlinear_solver>
                 <convergence_criterion>
                     <type>DeltaX</type>
diff --git a/Tests/Data/Elliptic/cube_1x1x1_GroundWaterFlow/cube_1e1.prj b/Tests/Data/Elliptic/cube_1x1x1_SteadyStateDiffusion/cube_1e1.prj
similarity index 97%
rename from Tests/Data/Elliptic/cube_1x1x1_GroundWaterFlow/cube_1e1.prj
rename to Tests/Data/Elliptic/cube_1x1x1_SteadyStateDiffusion/cube_1e1.prj
index c05935ce676..52ef8fe6eeb 100644
--- a/Tests/Data/Elliptic/cube_1x1x1_GroundWaterFlow/cube_1e1.prj
+++ b/Tests/Data/Elliptic/cube_1x1x1_SteadyStateDiffusion/cube_1e1.prj
@@ -4,7 +4,7 @@
     <geometry>cube_1x1x1.gml</geometry>
     <processes>
         <process>
-            <name>GW23</name>
+            <name>SteadyStateDiffusion</name>
             <type>STEADY_STATE_DIFFUSION</type>
             <integration_order>2</integration_order>
             <process_variables>
@@ -34,7 +34,7 @@
     </media>
     <time_loop>
         <processes>
-            <process ref="GW23">
+            <process ref="SteadyStateDiffusion">
                 <nonlinear_solver>basic_picard</nonlinear_solver>
                 <convergence_criterion>
                     <type>DeltaX</type>
diff --git a/Tests/Data/Elliptic/cube_1x1x1_GroundWaterFlow/cube_1e1_neumann.prj b/Tests/Data/Elliptic/cube_1x1x1_SteadyStateDiffusion/cube_1e1_neumann.prj
similarity index 97%
rename from Tests/Data/Elliptic/cube_1x1x1_GroundWaterFlow/cube_1e1_neumann.prj
rename to Tests/Data/Elliptic/cube_1x1x1_SteadyStateDiffusion/cube_1e1_neumann.prj
index 2a256032942..1c470247836 100644
--- a/Tests/Data/Elliptic/cube_1x1x1_GroundWaterFlow/cube_1e1_neumann.prj
+++ b/Tests/Data/Elliptic/cube_1x1x1_SteadyStateDiffusion/cube_1e1_neumann.prj
@@ -4,7 +4,7 @@
     <geometry>cube_1x1x1.gml</geometry>
     <processes>
         <process>
-            <name>GW23</name>
+            <name>SteadyStateDiffusion</name>
             <type>STEADY_STATE_DIFFUSION</type>
             <integration_order>2</integration_order>
             <process_variables>
@@ -34,7 +34,7 @@
     </media>
     <time_loop>
         <processes>
-            <process ref="GW23">
+            <process ref="SteadyStateDiffusion">
                 <nonlinear_solver>basic_picard</nonlinear_solver>
                 <convergence_criterion>
                     <type>DeltaX</type>
diff --git a/Tests/Data/Elliptic/cube_1x1x1_GroundWaterFlow/cube_1e1_newton.prj b/Tests/Data/Elliptic/cube_1x1x1_SteadyStateDiffusion/cube_1e1_newton.prj
similarity index 97%
rename from Tests/Data/Elliptic/cube_1x1x1_GroundWaterFlow/cube_1e1_newton.prj
rename to Tests/Data/Elliptic/cube_1x1x1_SteadyStateDiffusion/cube_1e1_newton.prj
index 6120a2a41ce..f9031277884 100644
--- a/Tests/Data/Elliptic/cube_1x1x1_GroundWaterFlow/cube_1e1_newton.prj
+++ b/Tests/Data/Elliptic/cube_1x1x1_SteadyStateDiffusion/cube_1e1_newton.prj
@@ -4,7 +4,7 @@
     <geometry>cube_1x1x1.gml</geometry>
     <processes>
         <process>
-            <name>GW23</name>
+            <name>SteadyStateDiffusion</name>
             <type>STEADY_STATE_DIFFUSION</type>
             <integration_order>2</integration_order>
             <jacobian_assembler>
@@ -37,7 +37,7 @@
     </media>
     <time_loop>
         <processes>
-            <process ref="GW23">
+            <process ref="SteadyStateDiffusion">
                 <nonlinear_solver>basic_newton</nonlinear_solver>
                 <convergence_criterion>
                     <type>DeltaX</type>
diff --git a/Tests/Data/Elliptic/cube_1x1x1_GroundWaterFlow/cube_1e2.prj b/Tests/Data/Elliptic/cube_1x1x1_SteadyStateDiffusion/cube_1e2.prj
similarity index 97%
rename from Tests/Data/Elliptic/cube_1x1x1_GroundWaterFlow/cube_1e2.prj
rename to Tests/Data/Elliptic/cube_1x1x1_SteadyStateDiffusion/cube_1e2.prj
index 4b0d8f3697a..4134e81505f 100644
--- a/Tests/Data/Elliptic/cube_1x1x1_GroundWaterFlow/cube_1e2.prj
+++ b/Tests/Data/Elliptic/cube_1x1x1_SteadyStateDiffusion/cube_1e2.prj
@@ -4,7 +4,7 @@
     <geometry>cube_1x1x1.gml</geometry>
     <processes>
         <process>
-            <name>GW23</name>
+            <name>SteadyStateDiffusion</name>
             <type>STEADY_STATE_DIFFUSION</type>
             <integration_order>2</integration_order>
             <process_variables>
@@ -34,7 +34,7 @@
     </media>
     <time_loop>
         <processes>
-            <process ref="GW23">
+            <process ref="SteadyStateDiffusion">
                 <nonlinear_solver>basic_picard</nonlinear_solver>
                 <convergence_criterion>
                     <type>DeltaX</type>
diff --git a/Tests/Data/Elliptic/cube_1x1x1_GroundWaterFlow/cube_1e2_neumann.prj b/Tests/Data/Elliptic/cube_1x1x1_SteadyStateDiffusion/cube_1e2_neumann.prj
similarity index 97%
rename from Tests/Data/Elliptic/cube_1x1x1_GroundWaterFlow/cube_1e2_neumann.prj
rename to Tests/Data/Elliptic/cube_1x1x1_SteadyStateDiffusion/cube_1e2_neumann.prj
index f4ee7ea6886..2824dcf47cd 100644
--- a/Tests/Data/Elliptic/cube_1x1x1_GroundWaterFlow/cube_1e2_neumann.prj
+++ b/Tests/Data/Elliptic/cube_1x1x1_SteadyStateDiffusion/cube_1e2_neumann.prj
@@ -4,7 +4,7 @@
     <geometry>cube_1x1x1.gml</geometry>
     <processes>
         <process>
-            <name>GW23</name>
+            <name>SteadyStateDiffusion</name>
             <type>STEADY_STATE_DIFFUSION</type>
             <integration_order>2</integration_order>
             <process_variables>
@@ -34,7 +34,7 @@
     </media>
     <time_loop>
         <processes>
-            <process ref="GW23">
+            <process ref="SteadyStateDiffusion">
                 <nonlinear_solver>basic_picard</nonlinear_solver>
                 <convergence_criterion>
                     <type>DeltaX</type>
diff --git a/Tests/Data/Elliptic/cube_1x1x1_GroundWaterFlow/cube_1e2_newton.prj b/Tests/Data/Elliptic/cube_1x1x1_SteadyStateDiffusion/cube_1e2_newton.prj
similarity index 97%
rename from Tests/Data/Elliptic/cube_1x1x1_GroundWaterFlow/cube_1e2_newton.prj
rename to Tests/Data/Elliptic/cube_1x1x1_SteadyStateDiffusion/cube_1e2_newton.prj
index 12ec5638d3e..a831f1f9f9e 100644
--- a/Tests/Data/Elliptic/cube_1x1x1_GroundWaterFlow/cube_1e2_newton.prj
+++ b/Tests/Data/Elliptic/cube_1x1x1_SteadyStateDiffusion/cube_1e2_newton.prj
@@ -4,7 +4,7 @@
     <geometry>cube_1x1x1.gml</geometry>
     <processes>
         <process>
-            <name>GW23</name>
+            <name>SteadyStateDiffusion</name>
             <type>STEADY_STATE_DIFFUSION</type>
             <integration_order>2</integration_order>
             <jacobian_assembler>
@@ -37,7 +37,7 @@
     </media>
     <time_loop>
         <processes>
-            <process ref="GW23">
+            <process ref="SteadyStateDiffusion">
                 <nonlinear_solver>basic_newton</nonlinear_solver>
                 <convergence_criterion>
                     <type>DeltaX</type>
diff --git a/Tests/Data/Elliptic/cube_1x1x1_GroundWaterFlow/cube_1e3.prj b/Tests/Data/Elliptic/cube_1x1x1_SteadyStateDiffusion/cube_1e3.prj
similarity index 97%
rename from Tests/Data/Elliptic/cube_1x1x1_GroundWaterFlow/cube_1e3.prj
rename to Tests/Data/Elliptic/cube_1x1x1_SteadyStateDiffusion/cube_1e3.prj
index 16945f674be..5427837dd9d 100644
--- a/Tests/Data/Elliptic/cube_1x1x1_GroundWaterFlow/cube_1e3.prj
+++ b/Tests/Data/Elliptic/cube_1x1x1_SteadyStateDiffusion/cube_1e3.prj
@@ -4,7 +4,7 @@
     <geometry>cube_1x1x1.gml</geometry>
     <processes>
         <process>
-            <name>GW23</name>
+            <name>SteadyStateDiffusion</name>
             <type>STEADY_STATE_DIFFUSION</type>
             <integration_order>2</integration_order>
             <process_variables>
@@ -34,7 +34,7 @@
     </media>
     <time_loop>
         <processes>
-            <process ref="GW23">
+            <process ref="SteadyStateDiffusion">
                 <nonlinear_solver>basic_picard</nonlinear_solver>
                 <convergence_criterion>
                     <type>DeltaX</type>
diff --git a/Tests/Data/Elliptic/cube_1x1x1_GroundWaterFlow/cube_1e3_bottom_neumann.prj b/Tests/Data/Elliptic/cube_1x1x1_SteadyStateDiffusion/cube_1e3_bottom_neumann.prj
similarity index 97%
rename from Tests/Data/Elliptic/cube_1x1x1_GroundWaterFlow/cube_1e3_bottom_neumann.prj
rename to Tests/Data/Elliptic/cube_1x1x1_SteadyStateDiffusion/cube_1e3_bottom_neumann.prj
index 30430ea7461..067e56955c6 100644
--- a/Tests/Data/Elliptic/cube_1x1x1_GroundWaterFlow/cube_1e3_bottom_neumann.prj
+++ b/Tests/Data/Elliptic/cube_1x1x1_SteadyStateDiffusion/cube_1e3_bottom_neumann.prj
@@ -4,7 +4,7 @@
     <geometry>cube_1x1x1.gml</geometry>
     <processes>
         <process>
-            <name>GW23</name>
+            <name>SteadyStateDiffusion</name>
             <type>STEADY_STATE_DIFFUSION</type>
             <integration_order>2</integration_order>
             <process_variables>
@@ -34,7 +34,7 @@
     </media>
     <time_loop>
         <processes>
-            <process ref="GW23">
+            <process ref="SteadyStateDiffusion">
                 <nonlinear_solver>basic_picard</nonlinear_solver>
                 <convergence_criterion>
                     <type>DeltaX</type>
diff --git a/Tests/Data/Elliptic/cube_1x1x1_GroundWaterFlow/cube_1e3_bottom_neumann.vtu b/Tests/Data/Elliptic/cube_1x1x1_SteadyStateDiffusion/cube_1e3_bottom_neumann.vtu
similarity index 100%
rename from Tests/Data/Elliptic/cube_1x1x1_GroundWaterFlow/cube_1e3_bottom_neumann.vtu
rename to Tests/Data/Elliptic/cube_1x1x1_SteadyStateDiffusion/cube_1e3_bottom_neumann.vtu
diff --git a/Tests/Data/Elliptic/cube_1x1x1_GroundWaterFlow/cube_1e3_bottom_neumann_newton.prj b/Tests/Data/Elliptic/cube_1x1x1_SteadyStateDiffusion/cube_1e3_bottom_neumann_newton.prj
similarity index 97%
rename from Tests/Data/Elliptic/cube_1x1x1_GroundWaterFlow/cube_1e3_bottom_neumann_newton.prj
rename to Tests/Data/Elliptic/cube_1x1x1_SteadyStateDiffusion/cube_1e3_bottom_neumann_newton.prj
index eb152a3cf4b..0c0c6e0621f 100644
--- a/Tests/Data/Elliptic/cube_1x1x1_GroundWaterFlow/cube_1e3_bottom_neumann_newton.prj
+++ b/Tests/Data/Elliptic/cube_1x1x1_SteadyStateDiffusion/cube_1e3_bottom_neumann_newton.prj
@@ -4,7 +4,7 @@
     <geometry>cube_1x1x1.gml</geometry>
     <processes>
         <process>
-            <name>GW23</name>
+            <name>SteadyStateDiffusion</name>
             <type>STEADY_STATE_DIFFUSION</type>
             <integration_order>2</integration_order>
             <jacobian_assembler>
@@ -37,7 +37,7 @@
     </media>
     <time_loop>
         <processes>
-            <process ref="GW23">
+            <process ref="SteadyStateDiffusion">
                 <nonlinear_solver>basic_newton</nonlinear_solver>
                 <convergence_criterion>
                     <type>DeltaX</type>
diff --git a/Tests/Data/Elliptic/cube_1x1x1_GroundWaterFlow/cube_1e3_calculatesurfaceflux.prj b/Tests/Data/Elliptic/cube_1x1x1_SteadyStateDiffusion/cube_1e3_calculatesurfaceflux.prj
similarity index 98%
rename from Tests/Data/Elliptic/cube_1x1x1_GroundWaterFlow/cube_1e3_calculatesurfaceflux.prj
rename to Tests/Data/Elliptic/cube_1x1x1_SteadyStateDiffusion/cube_1e3_calculatesurfaceflux.prj
index 69459b60906..a5fb2f752df 100644
--- a/Tests/Data/Elliptic/cube_1x1x1_GroundWaterFlow/cube_1e3_calculatesurfaceflux.prj
+++ b/Tests/Data/Elliptic/cube_1x1x1_SteadyStateDiffusion/cube_1e3_calculatesurfaceflux.prj
@@ -8,7 +8,7 @@
     </meshes>
     <processes>
         <process>
-            <name>GW23</name>
+            <name>SteadyStateDiffusion</name>
             <type>STEADY_STATE_DIFFUSION</type>
             <integration_order>2</integration_order>
             <process_variables>
@@ -26,7 +26,7 @@
     </processes>
     <time_loop>
         <processes>
-            <process ref="GW23">
+            <process ref="SteadyStateDiffusion">
                 <nonlinear_solver>basic_picard</nonlinear_solver>
                 <convergence_criterion>
                     <type>DeltaX</type>
diff --git a/Tests/Data/Elliptic/cube_1x1x1_GroundWaterFlow/cube_1e3_neumann.prj b/Tests/Data/Elliptic/cube_1x1x1_SteadyStateDiffusion/cube_1e3_neumann.prj
similarity index 97%
rename from Tests/Data/Elliptic/cube_1x1x1_GroundWaterFlow/cube_1e3_neumann.prj
rename to Tests/Data/Elliptic/cube_1x1x1_SteadyStateDiffusion/cube_1e3_neumann.prj
index d09aab40504..d29848fddf8 100644
--- a/Tests/Data/Elliptic/cube_1x1x1_GroundWaterFlow/cube_1e3_neumann.prj
+++ b/Tests/Data/Elliptic/cube_1x1x1_SteadyStateDiffusion/cube_1e3_neumann.prj
@@ -4,7 +4,7 @@
     <geometry>cube_1x1x1.gml</geometry>
     <processes>
         <process>
-            <name>GW23</name>
+            <name>SteadyStateDiffusion</name>
             <type>STEADY_STATE_DIFFUSION</type>
             <integration_order>2</integration_order>
             <process_variables>
@@ -34,7 +34,7 @@
     </media>
     <time_loop>
         <processes>
-            <process ref="GW23">
+            <process ref="SteadyStateDiffusion">
                 <nonlinear_solver>basic_picard</nonlinear_solver>
                 <convergence_criterion>
                     <type>DeltaX</type>
diff --git a/Tests/Data/Elliptic/cube_1x1x1_GroundWaterFlow/cube_1e3_neumann_calculatesurfaceflux.prj b/Tests/Data/Elliptic/cube_1x1x1_SteadyStateDiffusion/cube_1e3_neumann_calculatesurfaceflux.prj
similarity index 98%
rename from Tests/Data/Elliptic/cube_1x1x1_GroundWaterFlow/cube_1e3_neumann_calculatesurfaceflux.prj
rename to Tests/Data/Elliptic/cube_1x1x1_SteadyStateDiffusion/cube_1e3_neumann_calculatesurfaceflux.prj
index 8111d26cd49..cb91c365600 100644
--- a/Tests/Data/Elliptic/cube_1x1x1_GroundWaterFlow/cube_1e3_neumann_calculatesurfaceflux.prj
+++ b/Tests/Data/Elliptic/cube_1x1x1_SteadyStateDiffusion/cube_1e3_neumann_calculatesurfaceflux.prj
@@ -9,7 +9,7 @@
     </meshes>
     <processes>
         <process>
-            <name>GW23</name>
+            <name>SteadyStateDiffusion</name>
             <type>STEADY_STATE_DIFFUSION</type>
             <integration_order>2</integration_order>
             <process_variables>
@@ -27,7 +27,7 @@
     </processes>
     <time_loop>
         <processes>
-            <process ref="GW23">
+            <process ref="SteadyStateDiffusion">
                 <nonlinear_solver>basic_picard</nonlinear_solver>
                 <convergence_criterion>
                     <type>DeltaX</type>
diff --git a/Tests/Data/Elliptic/cube_1x1x1_GroundWaterFlow/cube_1e3_newton.prj b/Tests/Data/Elliptic/cube_1x1x1_SteadyStateDiffusion/cube_1e3_newton.prj
similarity index 97%
rename from Tests/Data/Elliptic/cube_1x1x1_GroundWaterFlow/cube_1e3_newton.prj
rename to Tests/Data/Elliptic/cube_1x1x1_SteadyStateDiffusion/cube_1e3_newton.prj
index 53c2646206e..8d862e77399 100644
--- a/Tests/Data/Elliptic/cube_1x1x1_GroundWaterFlow/cube_1e3_newton.prj
+++ b/Tests/Data/Elliptic/cube_1x1x1_SteadyStateDiffusion/cube_1e3_newton.prj
@@ -4,7 +4,7 @@
     <geometry>cube_1x1x1.gml</geometry>
     <processes>
         <process>
-            <name>GW23</name>
+            <name>SteadyStateDiffusion</name>
             <type>STEADY_STATE_DIFFUSION</type>
             <integration_order>2</integration_order>
             <jacobian_assembler>
@@ -37,7 +37,7 @@
     </media>
     <time_loop>
         <processes>
-            <process ref="GW23">
+            <process ref="SteadyStateDiffusion">
                 <nonlinear_solver>basic_newton</nonlinear_solver>
                 <convergence_criterion>
                     <type>DeltaX</type>
diff --git a/Tests/Data/Elliptic/cube_1x1x1_GroundWaterFlow/cube_1e3_top_neumann.prj b/Tests/Data/Elliptic/cube_1x1x1_SteadyStateDiffusion/cube_1e3_top_neumann.prj
similarity index 97%
rename from Tests/Data/Elliptic/cube_1x1x1_GroundWaterFlow/cube_1e3_top_neumann.prj
rename to Tests/Data/Elliptic/cube_1x1x1_SteadyStateDiffusion/cube_1e3_top_neumann.prj
index fb239b94f08..02c6624361d 100644
--- a/Tests/Data/Elliptic/cube_1x1x1_GroundWaterFlow/cube_1e3_top_neumann.prj
+++ b/Tests/Data/Elliptic/cube_1x1x1_SteadyStateDiffusion/cube_1e3_top_neumann.prj
@@ -4,7 +4,7 @@
     <geometry>cube_1x1x1.gml</geometry>
     <processes>
         <process>
-            <name>GW23</name>
+            <name>SteadyStateDiffusion</name>
             <type>STEADY_STATE_DIFFUSION</type>
             <integration_order>2</integration_order>
             <process_variables>
@@ -34,7 +34,7 @@
     </media>
     <time_loop>
         <processes>
-            <process ref="GW23">
+            <process ref="SteadyStateDiffusion">
                 <nonlinear_solver>basic_picard</nonlinear_solver>
                 <convergence_criterion>
                     <type>DeltaX</type>
diff --git a/Tests/Data/Elliptic/cube_1x1x1_GroundWaterFlow/cube_1e3_top_neumann.vtu b/Tests/Data/Elliptic/cube_1x1x1_SteadyStateDiffusion/cube_1e3_top_neumann.vtu
similarity index 100%
rename from Tests/Data/Elliptic/cube_1x1x1_GroundWaterFlow/cube_1e3_top_neumann.vtu
rename to Tests/Data/Elliptic/cube_1x1x1_SteadyStateDiffusion/cube_1e3_top_neumann.vtu
diff --git a/Tests/Data/Elliptic/cube_1x1x1_GroundWaterFlow/cube_1e3_top_neumann_newton.prj b/Tests/Data/Elliptic/cube_1x1x1_SteadyStateDiffusion/cube_1e3_top_neumann_newton.prj
similarity index 97%
rename from Tests/Data/Elliptic/cube_1x1x1_GroundWaterFlow/cube_1e3_top_neumann_newton.prj
rename to Tests/Data/Elliptic/cube_1x1x1_SteadyStateDiffusion/cube_1e3_top_neumann_newton.prj
index b01a7a1e270..b6ae9286902 100644
--- a/Tests/Data/Elliptic/cube_1x1x1_GroundWaterFlow/cube_1e3_top_neumann_newton.prj
+++ b/Tests/Data/Elliptic/cube_1x1x1_SteadyStateDiffusion/cube_1e3_top_neumann_newton.prj
@@ -4,7 +4,7 @@
     <geometry>cube_1x1x1.gml</geometry>
     <processes>
         <process>
-            <name>GW23</name>
+            <name>SteadyStateDiffusion</name>
             <type>STEADY_STATE_DIFFUSION</type>
             <integration_order>2</integration_order>
             <jacobian_assembler>
@@ -37,7 +37,7 @@
     </media>
     <time_loop>
         <processes>
-            <process ref="GW23">
+            <process ref="SteadyStateDiffusion">
                 <nonlinear_solver>basic_newton</nonlinear_solver>
                 <convergence_criterion>
                     <type>DeltaX</type>
diff --git a/Tests/Data/Elliptic/cube_1x1x1_GroundWaterFlow/cube_1e4.prj b/Tests/Data/Elliptic/cube_1x1x1_SteadyStateDiffusion/cube_1e4.prj
similarity index 97%
rename from Tests/Data/Elliptic/cube_1x1x1_GroundWaterFlow/cube_1e4.prj
rename to Tests/Data/Elliptic/cube_1x1x1_SteadyStateDiffusion/cube_1e4.prj
index 706b5dfe34f..1d801e395ce 100644
--- a/Tests/Data/Elliptic/cube_1x1x1_GroundWaterFlow/cube_1e4.prj
+++ b/Tests/Data/Elliptic/cube_1x1x1_SteadyStateDiffusion/cube_1e4.prj
@@ -4,7 +4,7 @@
     <geometry>cube_1x1x1.gml</geometry>
     <processes>
         <process>
-            <name>GW23</name>
+            <name>SteadyStateDiffusion</name>
             <type>STEADY_STATE_DIFFUSION</type>
             <integration_order>2</integration_order>
             <process_variables>
@@ -34,7 +34,7 @@
     </media>
     <time_loop>
         <processes>
-            <process ref="GW23">
+            <process ref="SteadyStateDiffusion">
                 <nonlinear_solver>basic_picard</nonlinear_solver>
                 <convergence_criterion>
                     <type>DeltaX</type>
diff --git a/Tests/Data/Elliptic/cube_1x1x1_GroundWaterFlow/cube_1e4_anisotropic.prj b/Tests/Data/Elliptic/cube_1x1x1_SteadyStateDiffusion/cube_1e4_anisotropic.prj
similarity index 98%
rename from Tests/Data/Elliptic/cube_1x1x1_GroundWaterFlow/cube_1e4_anisotropic.prj
rename to Tests/Data/Elliptic/cube_1x1x1_SteadyStateDiffusion/cube_1e4_anisotropic.prj
index b79be7b7c7b..a978cd0f2aa 100644
--- a/Tests/Data/Elliptic/cube_1x1x1_GroundWaterFlow/cube_1e4_anisotropic.prj
+++ b/Tests/Data/Elliptic/cube_1x1x1_SteadyStateDiffusion/cube_1e4_anisotropic.prj
@@ -4,7 +4,7 @@
     <geometry>cube_1x1x1.gml</geometry>
     <processes>
         <process>
-            <name>GW23</name>
+            <name>SteadyStateDiffusion</name>
             <type>STEADY_STATE_DIFFUSION</type>
             <integration_order>2</integration_order>
             <process_variables>
@@ -33,7 +33,7 @@
     </media>
     <time_loop>
         <processes>
-            <process ref="GW23">
+            <process ref="SteadyStateDiffusion">
                 <nonlinear_solver>basic_picard</nonlinear_solver>
                 <convergence_criterion>
                     <type>DeltaX</type>
diff --git a/Tests/Data/Elliptic/cube_1x1x1_GroundWaterFlow/cube_1e4_anisotropic_pcs_0_ts_1_t_1.000000.vtu b/Tests/Data/Elliptic/cube_1x1x1_SteadyStateDiffusion/cube_1e4_anisotropic_pcs_0_ts_1_t_1.000000.vtu
similarity index 100%
rename from Tests/Data/Elliptic/cube_1x1x1_GroundWaterFlow/cube_1e4_anisotropic_pcs_0_ts_1_t_1.000000.vtu
rename to Tests/Data/Elliptic/cube_1x1x1_SteadyStateDiffusion/cube_1e4_anisotropic_pcs_0_ts_1_t_1.000000.vtu
diff --git a/Tests/Data/Elliptic/cube_1x1x1_GroundWaterFlow/cube_1e4_neumann.prj b/Tests/Data/Elliptic/cube_1x1x1_SteadyStateDiffusion/cube_1e4_neumann.prj
similarity index 97%
rename from Tests/Data/Elliptic/cube_1x1x1_GroundWaterFlow/cube_1e4_neumann.prj
rename to Tests/Data/Elliptic/cube_1x1x1_SteadyStateDiffusion/cube_1e4_neumann.prj
index 14125269f26..b46f7c3443c 100644
--- a/Tests/Data/Elliptic/cube_1x1x1_GroundWaterFlow/cube_1e4_neumann.prj
+++ b/Tests/Data/Elliptic/cube_1x1x1_SteadyStateDiffusion/cube_1e4_neumann.prj
@@ -4,7 +4,7 @@
     <geometry>cube_1x1x1.gml</geometry>
     <processes>
         <process>
-            <name>GW23</name>
+            <name>SteadyStateDiffusion</name>
             <type>STEADY_STATE_DIFFUSION</type>
             <integration_order>2</integration_order>
             <process_variables>
@@ -34,7 +34,7 @@
     </media>
     <time_loop>
         <processes>
-            <process ref="GW23">
+            <process ref="SteadyStateDiffusion">
                 <nonlinear_solver>basic_picard</nonlinear_solver>
                 <convergence_criterion>
                     <type>DeltaX</type>
diff --git a/Tests/Data/Elliptic/cube_1x1x1_GroundWaterFlow/cube_1e5.prj b/Tests/Data/Elliptic/cube_1x1x1_SteadyStateDiffusion/cube_1e5.prj
similarity index 97%
rename from Tests/Data/Elliptic/cube_1x1x1_GroundWaterFlow/cube_1e5.prj
rename to Tests/Data/Elliptic/cube_1x1x1_SteadyStateDiffusion/cube_1e5.prj
index 6dff987f31d..077a05a49cf 100644
--- a/Tests/Data/Elliptic/cube_1x1x1_GroundWaterFlow/cube_1e5.prj
+++ b/Tests/Data/Elliptic/cube_1x1x1_SteadyStateDiffusion/cube_1e5.prj
@@ -4,7 +4,7 @@
     <geometry>cube_1x1x1.gml</geometry>
     <processes>
         <process>
-            <name>GW23</name>
+            <name>SteadyStateDiffusion</name>
             <type>STEADY_STATE_DIFFUSION</type>
             <integration_order>2</integration_order>
             <process_variables>
@@ -34,7 +34,7 @@
     </media>
     <time_loop>
         <processes>
-            <process ref="GW23">
+            <process ref="SteadyStateDiffusion">
                 <nonlinear_solver>basic_picard</nonlinear_solver>
                 <convergence_criterion>
                     <type>DeltaX</type>
diff --git a/Tests/Data/Elliptic/cube_1x1x1_GroundWaterFlow/cube_1e5_neumann.prj b/Tests/Data/Elliptic/cube_1x1x1_SteadyStateDiffusion/cube_1e5_neumann.prj
similarity index 97%
rename from Tests/Data/Elliptic/cube_1x1x1_GroundWaterFlow/cube_1e5_neumann.prj
rename to Tests/Data/Elliptic/cube_1x1x1_SteadyStateDiffusion/cube_1e5_neumann.prj
index f5c33256d6c..e9461d628d0 100644
--- a/Tests/Data/Elliptic/cube_1x1x1_GroundWaterFlow/cube_1e5_neumann.prj
+++ b/Tests/Data/Elliptic/cube_1x1x1_SteadyStateDiffusion/cube_1e5_neumann.prj
@@ -4,7 +4,7 @@
     <geometry>cube_1x1x1.gml</geometry>
     <processes>
         <process>
-            <name>GW23</name>
+            <name>SteadyStateDiffusion</name>
             <type>STEADY_STATE_DIFFUSION</type>
             <integration_order>2</integration_order>
             <process_variables>
@@ -34,7 +34,7 @@
     </media>
     <time_loop>
         <processes>
-            <process ref="GW23">
+            <process ref="SteadyStateDiffusion">
                 <nonlinear_solver>basic_picard</nonlinear_solver>
                 <convergence_criterion>
                     <type>DeltaX</type>
diff --git a/Tests/Data/Elliptic/cube_1x1x1_GroundWaterFlow/cube_1e6.prj b/Tests/Data/Elliptic/cube_1x1x1_SteadyStateDiffusion/cube_1e6.prj
similarity index 97%
rename from Tests/Data/Elliptic/cube_1x1x1_GroundWaterFlow/cube_1e6.prj
rename to Tests/Data/Elliptic/cube_1x1x1_SteadyStateDiffusion/cube_1e6.prj
index 198989b558a..66000e90f3f 100644
--- a/Tests/Data/Elliptic/cube_1x1x1_GroundWaterFlow/cube_1e6.prj
+++ b/Tests/Data/Elliptic/cube_1x1x1_SteadyStateDiffusion/cube_1e6.prj
@@ -4,7 +4,7 @@
     <geometry>cube_1x1x1.gml</geometry>
     <processes>
         <process>
-            <name>GW23</name>
+            <name>SteadyStateDiffusion</name>
             <type>STEADY_STATE_DIFFUSION</type>
             <integration_order>2</integration_order>
             <process_variables>
@@ -34,7 +34,7 @@
     </media>
     <time_loop>
         <processes>
-            <process ref="GW23">
+            <process ref="SteadyStateDiffusion">
                 <nonlinear_solver>basic_picard</nonlinear_solver>
                 <convergence_criterion>
                     <type>DeltaX</type>
diff --git a/Tests/Data/Elliptic/cube_1x1x1_GroundWaterFlow/cube_1e6_neumann.prj b/Tests/Data/Elliptic/cube_1x1x1_SteadyStateDiffusion/cube_1e6_neumann.prj
similarity index 97%
rename from Tests/Data/Elliptic/cube_1x1x1_GroundWaterFlow/cube_1e6_neumann.prj
rename to Tests/Data/Elliptic/cube_1x1x1_SteadyStateDiffusion/cube_1e6_neumann.prj
index 252c08aa9e9..46aae419bf4 100644
--- a/Tests/Data/Elliptic/cube_1x1x1_GroundWaterFlow/cube_1e6_neumann.prj
+++ b/Tests/Data/Elliptic/cube_1x1x1_SteadyStateDiffusion/cube_1e6_neumann.prj
@@ -4,7 +4,7 @@
     <geometry>cube_1x1x1.gml</geometry>
     <processes>
         <process>
-            <name>GW23</name>
+            <name>SteadyStateDiffusion</name>
             <type>STEADY_STATE_DIFFUSION</type>
             <integration_order>2</integration_order>
             <process_variables>
@@ -34,7 +34,7 @@
     </media>
     <time_loop>
         <processes>
-            <process ref="GW23">
+            <process ref="SteadyStateDiffusion">
                 <nonlinear_solver>basic_picard</nonlinear_solver>
                 <convergence_criterion>
                     <type>DeltaX</type>
diff --git a/Tests/Data/Elliptic/cube_1x1x1_GroundWaterFlow/cube_1x1x1.gml b/Tests/Data/Elliptic/cube_1x1x1_SteadyStateDiffusion/cube_1x1x1.gml
similarity index 100%
rename from Tests/Data/Elliptic/cube_1x1x1_GroundWaterFlow/cube_1x1x1.gml
rename to Tests/Data/Elliptic/cube_1x1x1_SteadyStateDiffusion/cube_1x1x1.gml
diff --git a/Tests/Data/Elliptic/cube_1x1x1_GroundWaterFlow/cube_1x1x1_hex20_1e0.vtu b/Tests/Data/Elliptic/cube_1x1x1_SteadyStateDiffusion/cube_1x1x1_hex20_1e0.vtu
similarity index 100%
rename from Tests/Data/Elliptic/cube_1x1x1_GroundWaterFlow/cube_1x1x1_hex20_1e0.vtu
rename to Tests/Data/Elliptic/cube_1x1x1_SteadyStateDiffusion/cube_1x1x1_hex20_1e0.vtu
diff --git a/Tests/Data/Elliptic/cube_1x1x1_GroundWaterFlow/cube_1x1x1_hex_1e0.vtu b/Tests/Data/Elliptic/cube_1x1x1_SteadyStateDiffusion/cube_1x1x1_hex_1e0.vtu
similarity index 100%
rename from Tests/Data/Elliptic/cube_1x1x1_GroundWaterFlow/cube_1x1x1_hex_1e0.vtu
rename to Tests/Data/Elliptic/cube_1x1x1_SteadyStateDiffusion/cube_1x1x1_hex_1e0.vtu
diff --git a/Tests/Data/Elliptic/cube_1x1x1_GroundWaterFlow/cube_1x1x1_hex_1e1.vtu b/Tests/Data/Elliptic/cube_1x1x1_SteadyStateDiffusion/cube_1x1x1_hex_1e1.vtu
similarity index 100%
rename from Tests/Data/Elliptic/cube_1x1x1_GroundWaterFlow/cube_1x1x1_hex_1e1.vtu
rename to Tests/Data/Elliptic/cube_1x1x1_SteadyStateDiffusion/cube_1x1x1_hex_1e1.vtu
diff --git a/Tests/Data/Elliptic/cube_1x1x1_GroundWaterFlow/cube_1x1x1_hex_1e2.vtu b/Tests/Data/Elliptic/cube_1x1x1_SteadyStateDiffusion/cube_1x1x1_hex_1e2.vtu
similarity index 100%
rename from Tests/Data/Elliptic/cube_1x1x1_GroundWaterFlow/cube_1x1x1_hex_1e2.vtu
rename to Tests/Data/Elliptic/cube_1x1x1_SteadyStateDiffusion/cube_1x1x1_hex_1e2.vtu
diff --git a/Tests/Data/Elliptic/cube_1x1x1_GroundWaterFlow/cube_1x1x1_hex_1e3.vtu b/Tests/Data/Elliptic/cube_1x1x1_SteadyStateDiffusion/cube_1x1x1_hex_1e3.vtu
similarity index 100%
rename from Tests/Data/Elliptic/cube_1x1x1_GroundWaterFlow/cube_1x1x1_hex_1e3.vtu
rename to Tests/Data/Elliptic/cube_1x1x1_SteadyStateDiffusion/cube_1x1x1_hex_1e3.vtu
diff --git a/Tests/Data/Elliptic/cube_1x1x1_GroundWaterFlow/cube_1x1x1_hex_1e3_complete_surface.vtu b/Tests/Data/Elliptic/cube_1x1x1_SteadyStateDiffusion/cube_1x1x1_hex_1e3_complete_surface.vtu
similarity index 100%
rename from Tests/Data/Elliptic/cube_1x1x1_GroundWaterFlow/cube_1x1x1_hex_1e3_complete_surface.vtu
rename to Tests/Data/Elliptic/cube_1x1x1_SteadyStateDiffusion/cube_1x1x1_hex_1e3_complete_surface.vtu
diff --git a/Tests/Data/Elliptic/cube_1x1x1_GroundWaterFlow/cube_1x1x1_hex_1e3_complete_surface_left_right_dirichlet_specific_flux_t_1.000000.vtu b/Tests/Data/Elliptic/cube_1x1x1_SteadyStateDiffusion/cube_1x1x1_hex_1e3_complete_surface_left_right_dirichlet_specific_flux_t_1.000000.vtu
similarity index 100%
rename from Tests/Data/Elliptic/cube_1x1x1_GroundWaterFlow/cube_1x1x1_hex_1e3_complete_surface_left_right_dirichlet_specific_flux_t_1.000000.vtu
rename to Tests/Data/Elliptic/cube_1x1x1_SteadyStateDiffusion/cube_1x1x1_hex_1e3_complete_surface_left_right_dirichlet_specific_flux_t_1.000000.vtu
diff --git a/Tests/Data/Elliptic/cube_1x1x1_GroundWaterFlow/cube_1x1x1_hex_1e3_complete_surface_neumann_specific_flux_t_1.000000.vtu b/Tests/Data/Elliptic/cube_1x1x1_SteadyStateDiffusion/cube_1x1x1_hex_1e3_complete_surface_neumann_specific_flux_t_1.000000.vtu
similarity index 100%
rename from Tests/Data/Elliptic/cube_1x1x1_GroundWaterFlow/cube_1x1x1_hex_1e3_complete_surface_neumann_specific_flux_t_1.000000.vtu
rename to Tests/Data/Elliptic/cube_1x1x1_SteadyStateDiffusion/cube_1x1x1_hex_1e3_complete_surface_neumann_specific_flux_t_1.000000.vtu
diff --git a/Tests/Data/Elliptic/cube_1x1x1_GroundWaterFlow/cube_1x1x1_hex_1e3_front.vtu b/Tests/Data/Elliptic/cube_1x1x1_SteadyStateDiffusion/cube_1x1x1_hex_1e3_front.vtu
similarity index 100%
rename from Tests/Data/Elliptic/cube_1x1x1_GroundWaterFlow/cube_1x1x1_hex_1e3_front.vtu
rename to Tests/Data/Elliptic/cube_1x1x1_SteadyStateDiffusion/cube_1x1x1_hex_1e3_front.vtu
diff --git a/Tests/Data/Elliptic/cube_1x1x1_GroundWaterFlow/cube_1x1x1_hex_1e3_left.vtu b/Tests/Data/Elliptic/cube_1x1x1_SteadyStateDiffusion/cube_1x1x1_hex_1e3_left.vtu
similarity index 100%
rename from Tests/Data/Elliptic/cube_1x1x1_GroundWaterFlow/cube_1x1x1_hex_1e3_left.vtu
rename to Tests/Data/Elliptic/cube_1x1x1_SteadyStateDiffusion/cube_1x1x1_hex_1e3_left.vtu
diff --git a/Tests/Data/Elliptic/cube_1x1x1_GroundWaterFlow/cube_1x1x1_hex_1e3_right.vtu b/Tests/Data/Elliptic/cube_1x1x1_SteadyStateDiffusion/cube_1x1x1_hex_1e3_right.vtu
similarity index 100%
rename from Tests/Data/Elliptic/cube_1x1x1_GroundWaterFlow/cube_1x1x1_hex_1e3_right.vtu
rename to Tests/Data/Elliptic/cube_1x1x1_SteadyStateDiffusion/cube_1x1x1_hex_1e3_right.vtu
diff --git a/Tests/Data/Elliptic/cube_1x1x1_GroundWaterFlow/cube_1x1x1_hex_1e4.vtu b/Tests/Data/Elliptic/cube_1x1x1_SteadyStateDiffusion/cube_1x1x1_hex_1e4.vtu
similarity index 100%
rename from Tests/Data/Elliptic/cube_1x1x1_GroundWaterFlow/cube_1x1x1_hex_1e4.vtu
rename to Tests/Data/Elliptic/cube_1x1x1_SteadyStateDiffusion/cube_1x1x1_hex_1e4.vtu
diff --git a/Tests/Data/Elliptic/cube_1x1x1_GroundWaterFlow/cube_1x1x1_hex_1e4_material_groups.vtu b/Tests/Data/Elliptic/cube_1x1x1_SteadyStateDiffusion/cube_1x1x1_hex_1e4_material_groups.vtu
similarity index 100%
rename from Tests/Data/Elliptic/cube_1x1x1_GroundWaterFlow/cube_1x1x1_hex_1e4_material_groups.vtu
rename to Tests/Data/Elliptic/cube_1x1x1_SteadyStateDiffusion/cube_1x1x1_hex_1e4_material_groups.vtu
diff --git a/Tests/Data/Elliptic/cube_1x1x1_GroundWaterFlow/cube_1x1x1_hex_1e5.vtu b/Tests/Data/Elliptic/cube_1x1x1_SteadyStateDiffusion/cube_1x1x1_hex_1e5.vtu
similarity index 100%
rename from Tests/Data/Elliptic/cube_1x1x1_GroundWaterFlow/cube_1x1x1_hex_1e5.vtu
rename to Tests/Data/Elliptic/cube_1x1x1_SteadyStateDiffusion/cube_1x1x1_hex_1e5.vtu
diff --git a/Tests/Data/Elliptic/cube_1x1x1_GroundWaterFlow/cube_1x1x1_hex_1e6.vtu b/Tests/Data/Elliptic/cube_1x1x1_SteadyStateDiffusion/cube_1x1x1_hex_1e6.vtu
similarity index 100%
rename from Tests/Data/Elliptic/cube_1x1x1_GroundWaterFlow/cube_1x1x1_hex_1e6.vtu
rename to Tests/Data/Elliptic/cube_1x1x1_SteadyStateDiffusion/cube_1x1x1_hex_1e6.vtu
diff --git a/Tests/Data/Elliptic/cube_1x1x1_GroundWaterFlow/cube_1x1x1_hex_2e4.vtu b/Tests/Data/Elliptic/cube_1x1x1_SteadyStateDiffusion/cube_1x1x1_hex_2e4.vtu
similarity index 100%
rename from Tests/Data/Elliptic/cube_1x1x1_GroundWaterFlow/cube_1x1x1_hex_2e4.vtu
rename to Tests/Data/Elliptic/cube_1x1x1_SteadyStateDiffusion/cube_1x1x1_hex_2e4.vtu
diff --git a/Tests/Data/Elliptic/cube_1x1x1_GroundWaterFlow/cube_1x1x1_hex_3e4.vtu b/Tests/Data/Elliptic/cube_1x1x1_SteadyStateDiffusion/cube_1x1x1_hex_3e4.vtu
similarity index 100%
rename from Tests/Data/Elliptic/cube_1x1x1_GroundWaterFlow/cube_1x1x1_hex_3e4.vtu
rename to Tests/Data/Elliptic/cube_1x1x1_SteadyStateDiffusion/cube_1x1x1_hex_3e4.vtu
diff --git a/Tests/Data/Elliptic/cube_1x1x1_GroundWaterFlow/cube_1x1x1_hex_4e4.vtu b/Tests/Data/Elliptic/cube_1x1x1_SteadyStateDiffusion/cube_1x1x1_hex_4e4.vtu
similarity index 100%
rename from Tests/Data/Elliptic/cube_1x1x1_GroundWaterFlow/cube_1x1x1_hex_4e4.vtu
rename to Tests/Data/Elliptic/cube_1x1x1_SteadyStateDiffusion/cube_1x1x1_hex_4e4.vtu
diff --git a/Tests/Data/Elliptic/cube_1x1x1_GroundWaterFlow/cube_1x1x1_hex_5e4.vtu b/Tests/Data/Elliptic/cube_1x1x1_SteadyStateDiffusion/cube_1x1x1_hex_5e4.vtu
similarity index 100%
rename from Tests/Data/Elliptic/cube_1x1x1_GroundWaterFlow/cube_1x1x1_hex_5e4.vtu
rename to Tests/Data/Elliptic/cube_1x1x1_SteadyStateDiffusion/cube_1x1x1_hex_5e4.vtu
diff --git a/Tests/Data/Elliptic/cube_1x1x1_GroundWaterFlow/cube_1x1x1_prism_2e3.vtu b/Tests/Data/Elliptic/cube_1x1x1_SteadyStateDiffusion/cube_1x1x1_prism_2e3.vtu
similarity index 100%
rename from Tests/Data/Elliptic/cube_1x1x1_GroundWaterFlow/cube_1x1x1_prism_2e3.vtu
rename to Tests/Data/Elliptic/cube_1x1x1_SteadyStateDiffusion/cube_1x1x1_prism_2e3.vtu
diff --git a/Tests/Data/Elliptic/cube_1x1x1_GroundWaterFlow/cube_1x1x1_prism_2e3_back.vtu b/Tests/Data/Elliptic/cube_1x1x1_SteadyStateDiffusion/cube_1x1x1_prism_2e3_back.vtu
similarity index 100%
rename from Tests/Data/Elliptic/cube_1x1x1_GroundWaterFlow/cube_1x1x1_prism_2e3_back.vtu
rename to Tests/Data/Elliptic/cube_1x1x1_SteadyStateDiffusion/cube_1x1x1_prism_2e3_back.vtu
diff --git a/Tests/Data/Elliptic/cube_1x1x1_GroundWaterFlow/cube_1x1x1_prism_2e3_bottom.vtu b/Tests/Data/Elliptic/cube_1x1x1_SteadyStateDiffusion/cube_1x1x1_prism_2e3_bottom.vtu
similarity index 100%
rename from Tests/Data/Elliptic/cube_1x1x1_GroundWaterFlow/cube_1x1x1_prism_2e3_bottom.vtu
rename to Tests/Data/Elliptic/cube_1x1x1_SteadyStateDiffusion/cube_1x1x1_prism_2e3_bottom.vtu
diff --git a/Tests/Data/Elliptic/cube_1x1x1_GroundWaterFlow/cube_1x1x1_prism_2e3_complete_surface.vtu b/Tests/Data/Elliptic/cube_1x1x1_SteadyStateDiffusion/cube_1x1x1_prism_2e3_complete_surface.vtu
similarity index 100%
rename from Tests/Data/Elliptic/cube_1x1x1_GroundWaterFlow/cube_1x1x1_prism_2e3_complete_surface.vtu
rename to Tests/Data/Elliptic/cube_1x1x1_SteadyStateDiffusion/cube_1x1x1_prism_2e3_complete_surface.vtu
diff --git a/Tests/Data/Elliptic/cube_1x1x1_GroundWaterFlow/cube_1x1x1_prism_2e3_complete_surface_front_back_dirichlet_specific_flux_t_1.000000.vtu b/Tests/Data/Elliptic/cube_1x1x1_SteadyStateDiffusion/cube_1x1x1_prism_2e3_complete_surface_front_back_dirichlet_specific_flux_t_1.000000.vtu
similarity index 100%
rename from Tests/Data/Elliptic/cube_1x1x1_GroundWaterFlow/cube_1x1x1_prism_2e3_complete_surface_front_back_dirichlet_specific_flux_t_1.000000.vtu
rename to Tests/Data/Elliptic/cube_1x1x1_SteadyStateDiffusion/cube_1x1x1_prism_2e3_complete_surface_front_back_dirichlet_specific_flux_t_1.000000.vtu
diff --git a/Tests/Data/Elliptic/cube_1x1x1_GroundWaterFlow/cube_1x1x1_prism_2e3_complete_surface_left_right_dirichlet_specific_flux_t_1.000000.vtu b/Tests/Data/Elliptic/cube_1x1x1_SteadyStateDiffusion/cube_1x1x1_prism_2e3_complete_surface_left_right_dirichlet_specific_flux_t_1.000000.vtu
similarity index 100%
rename from Tests/Data/Elliptic/cube_1x1x1_GroundWaterFlow/cube_1x1x1_prism_2e3_complete_surface_left_right_dirichlet_specific_flux_t_1.000000.vtu
rename to Tests/Data/Elliptic/cube_1x1x1_SteadyStateDiffusion/cube_1x1x1_prism_2e3_complete_surface_left_right_dirichlet_specific_flux_t_1.000000.vtu
diff --git a/Tests/Data/Elliptic/cube_1x1x1_GroundWaterFlow/cube_1x1x1_prism_2e3_complete_surface_top_bottom_dirichlet_specific_flux_t_1.000000.vtu b/Tests/Data/Elliptic/cube_1x1x1_SteadyStateDiffusion/cube_1x1x1_prism_2e3_complete_surface_top_bottom_dirichlet_specific_flux_t_1.000000.vtu
similarity index 100%
rename from Tests/Data/Elliptic/cube_1x1x1_GroundWaterFlow/cube_1x1x1_prism_2e3_complete_surface_top_bottom_dirichlet_specific_flux_t_1.000000.vtu
rename to Tests/Data/Elliptic/cube_1x1x1_SteadyStateDiffusion/cube_1x1x1_prism_2e3_complete_surface_top_bottom_dirichlet_specific_flux_t_1.000000.vtu
diff --git a/Tests/Data/Elliptic/cube_1x1x1_GroundWaterFlow/cube_1x1x1_prism_2e3_front.vtu b/Tests/Data/Elliptic/cube_1x1x1_SteadyStateDiffusion/cube_1x1x1_prism_2e3_front.vtu
similarity index 100%
rename from Tests/Data/Elliptic/cube_1x1x1_GroundWaterFlow/cube_1x1x1_prism_2e3_front.vtu
rename to Tests/Data/Elliptic/cube_1x1x1_SteadyStateDiffusion/cube_1x1x1_prism_2e3_front.vtu
diff --git a/Tests/Data/Elliptic/cube_1x1x1_GroundWaterFlow/cube_1x1x1_prism_2e3_left.vtu b/Tests/Data/Elliptic/cube_1x1x1_SteadyStateDiffusion/cube_1x1x1_prism_2e3_left.vtu
similarity index 100%
rename from Tests/Data/Elliptic/cube_1x1x1_GroundWaterFlow/cube_1x1x1_prism_2e3_left.vtu
rename to Tests/Data/Elliptic/cube_1x1x1_SteadyStateDiffusion/cube_1x1x1_prism_2e3_left.vtu
diff --git a/Tests/Data/Elliptic/cube_1x1x1_GroundWaterFlow/cube_1x1x1_prism_2e3_right.vtu b/Tests/Data/Elliptic/cube_1x1x1_SteadyStateDiffusion/cube_1x1x1_prism_2e3_right.vtu
similarity index 100%
rename from Tests/Data/Elliptic/cube_1x1x1_GroundWaterFlow/cube_1x1x1_prism_2e3_right.vtu
rename to Tests/Data/Elliptic/cube_1x1x1_SteadyStateDiffusion/cube_1x1x1_prism_2e3_right.vtu
diff --git a/Tests/Data/Elliptic/cube_1x1x1_GroundWaterFlow/cube_1x1x1_prism_2e3_top.vtu b/Tests/Data/Elliptic/cube_1x1x1_SteadyStateDiffusion/cube_1x1x1_prism_2e3_top.vtu
similarity index 100%
rename from Tests/Data/Elliptic/cube_1x1x1_GroundWaterFlow/cube_1x1x1_prism_2e3_top.vtu
rename to Tests/Data/Elliptic/cube_1x1x1_SteadyStateDiffusion/cube_1x1x1_prism_2e3_top.vtu
diff --git a/Tests/Data/Elliptic/cube_1x1x1_GroundWaterFlow/cube_2e3_prism_surfaceflux_front_back.prj b/Tests/Data/Elliptic/cube_1x1x1_SteadyStateDiffusion/cube_2e3_prism_surfaceflux_front_back.prj
similarity index 98%
rename from Tests/Data/Elliptic/cube_1x1x1_GroundWaterFlow/cube_2e3_prism_surfaceflux_front_back.prj
rename to Tests/Data/Elliptic/cube_1x1x1_SteadyStateDiffusion/cube_2e3_prism_surfaceflux_front_back.prj
index c52172fbd8f..25022a20ae6 100644
--- a/Tests/Data/Elliptic/cube_1x1x1_GroundWaterFlow/cube_2e3_prism_surfaceflux_front_back.prj
+++ b/Tests/Data/Elliptic/cube_1x1x1_SteadyStateDiffusion/cube_2e3_prism_surfaceflux_front_back.prj
@@ -8,7 +8,7 @@
     </meshes>
     <processes>
         <process>
-            <name>GW23</name>
+            <name>SteadyStateDiffusion</name>
             <type>STEADY_STATE_DIFFUSION</type>
             <integration_order>2</integration_order>
             <process_variables>
@@ -26,7 +26,7 @@
     </processes>
     <time_loop>
         <processes>
-            <process ref="GW23">
+            <process ref="SteadyStateDiffusion">
                 <nonlinear_solver>basic_picard</nonlinear_solver>
                 <convergence_criterion>
                     <type>DeltaX</type>
diff --git a/Tests/Data/Elliptic/cube_1x1x1_GroundWaterFlow/cube_2e3_prism_surfaceflux_left_right.prj b/Tests/Data/Elliptic/cube_1x1x1_SteadyStateDiffusion/cube_2e3_prism_surfaceflux_left_right.prj
similarity index 98%
rename from Tests/Data/Elliptic/cube_1x1x1_GroundWaterFlow/cube_2e3_prism_surfaceflux_left_right.prj
rename to Tests/Data/Elliptic/cube_1x1x1_SteadyStateDiffusion/cube_2e3_prism_surfaceflux_left_right.prj
index 1ddc9900e7b..17a6a07e161 100644
--- a/Tests/Data/Elliptic/cube_1x1x1_GroundWaterFlow/cube_2e3_prism_surfaceflux_left_right.prj
+++ b/Tests/Data/Elliptic/cube_1x1x1_SteadyStateDiffusion/cube_2e3_prism_surfaceflux_left_right.prj
@@ -8,7 +8,7 @@
     </meshes>
     <processes>
         <process>
-            <name>GW23</name>
+            <name>SteadyStateDiffusion</name>
             <type>STEADY_STATE_DIFFUSION</type>
             <integration_order>2</integration_order>
             <process_variables>
@@ -26,7 +26,7 @@
     </processes>
     <time_loop>
         <processes>
-            <process ref="GW23">
+            <process ref="SteadyStateDiffusion">
                 <nonlinear_solver>basic_picard</nonlinear_solver>
                 <convergence_criterion>
                     <type>DeltaX</type>
diff --git a/Tests/Data/Elliptic/cube_1x1x1_GroundWaterFlow/cube_2e3_prism_surfaceflux_top_bottom.prj b/Tests/Data/Elliptic/cube_1x1x1_SteadyStateDiffusion/cube_2e3_prism_surfaceflux_top_bottom.prj
similarity index 98%
rename from Tests/Data/Elliptic/cube_1x1x1_GroundWaterFlow/cube_2e3_prism_surfaceflux_top_bottom.prj
rename to Tests/Data/Elliptic/cube_1x1x1_SteadyStateDiffusion/cube_2e3_prism_surfaceflux_top_bottom.prj
index 6b744b085f6..d8b74a46995 100644
--- a/Tests/Data/Elliptic/cube_1x1x1_GroundWaterFlow/cube_2e3_prism_surfaceflux_top_bottom.prj
+++ b/Tests/Data/Elliptic/cube_1x1x1_SteadyStateDiffusion/cube_2e3_prism_surfaceflux_top_bottom.prj
@@ -8,7 +8,7 @@
     </meshes>
     <processes>
         <process>
-            <name>GW23</name>
+            <name>SteadyStateDiffusion</name>
             <type>STEADY_STATE_DIFFUSION</type>
             <integration_order>2</integration_order>
             <process_variables>
@@ -26,7 +26,7 @@
     </processes>
     <time_loop>
         <processes>
-            <process ref="GW23">
+            <process ref="SteadyStateDiffusion">
                 <nonlinear_solver>basic_picard</nonlinear_solver>
                 <convergence_criterion>
                     <type>DeltaX</type>
diff --git a/Tests/Data/Elliptic/cube_1x1x1_GroundWaterFlow/cube_2e4.prj b/Tests/Data/Elliptic/cube_1x1x1_SteadyStateDiffusion/cube_2e4.prj
similarity index 97%
rename from Tests/Data/Elliptic/cube_1x1x1_GroundWaterFlow/cube_2e4.prj
rename to Tests/Data/Elliptic/cube_1x1x1_SteadyStateDiffusion/cube_2e4.prj
index 2eecb5ce142..0272f11a39a 100644
--- a/Tests/Data/Elliptic/cube_1x1x1_GroundWaterFlow/cube_2e4.prj
+++ b/Tests/Data/Elliptic/cube_1x1x1_SteadyStateDiffusion/cube_2e4.prj
@@ -4,7 +4,7 @@
     <geometry>cube_1x1x1.gml</geometry>
     <processes>
         <process>
-            <name>GW23</name>
+            <name>SteadyStateDiffusion</name>
             <type>STEADY_STATE_DIFFUSION</type>
             <integration_order>2</integration_order>
             <process_variables>
@@ -34,7 +34,7 @@
     </media>
     <time_loop>
         <processes>
-            <process ref="GW23">
+            <process ref="SteadyStateDiffusion">
                 <nonlinear_solver>basic_picard</nonlinear_solver>
                 <convergence_criterion>
                     <type>DeltaX</type>
diff --git a/Tests/Data/Elliptic/cube_1x1x1_GroundWaterFlow/cube_2e4_neumann.prj b/Tests/Data/Elliptic/cube_1x1x1_SteadyStateDiffusion/cube_2e4_neumann.prj
similarity index 97%
rename from Tests/Data/Elliptic/cube_1x1x1_GroundWaterFlow/cube_2e4_neumann.prj
rename to Tests/Data/Elliptic/cube_1x1x1_SteadyStateDiffusion/cube_2e4_neumann.prj
index f81e881d2fd..714e8aafb9d 100644
--- a/Tests/Data/Elliptic/cube_1x1x1_GroundWaterFlow/cube_2e4_neumann.prj
+++ b/Tests/Data/Elliptic/cube_1x1x1_SteadyStateDiffusion/cube_2e4_neumann.prj
@@ -4,7 +4,7 @@
     <geometry>cube_1x1x1.gml</geometry>
     <processes>
         <process>
-            <name>GW23</name>
+            <name>SteadyStateDiffusion</name>
             <type>STEADY_STATE_DIFFUSION</type>
             <integration_order>2</integration_order>
             <process_variables>
@@ -34,7 +34,7 @@
     </media>
     <time_loop>
         <processes>
-            <process ref="GW23">
+            <process ref="SteadyStateDiffusion">
                 <nonlinear_solver>basic_picard</nonlinear_solver>
                 <convergence_criterion>
                     <type>DeltaX</type>
diff --git a/Tests/Data/Elliptic/cube_1x1x1_GroundWaterFlow/cube_3e4.prj b/Tests/Data/Elliptic/cube_1x1x1_SteadyStateDiffusion/cube_3e4.prj
similarity index 97%
rename from Tests/Data/Elliptic/cube_1x1x1_GroundWaterFlow/cube_3e4.prj
rename to Tests/Data/Elliptic/cube_1x1x1_SteadyStateDiffusion/cube_3e4.prj
index 4d9c65f5043..edc7d7d8e69 100644
--- a/Tests/Data/Elliptic/cube_1x1x1_GroundWaterFlow/cube_3e4.prj
+++ b/Tests/Data/Elliptic/cube_1x1x1_SteadyStateDiffusion/cube_3e4.prj
@@ -4,7 +4,7 @@
     <geometry>cube_1x1x1.gml</geometry>
     <processes>
         <process>
-            <name>GW23</name>
+            <name>SteadyStateDiffusion</name>
             <type>STEADY_STATE_DIFFUSION</type>
             <integration_order>2</integration_order>
             <process_variables>
@@ -34,7 +34,7 @@
     </media>
     <time_loop>
         <processes>
-            <process ref="GW23">
+            <process ref="SteadyStateDiffusion">
                 <nonlinear_solver>basic_picard</nonlinear_solver>
                 <convergence_criterion>
                     <type>DeltaX</type>
diff --git a/Tests/Data/Elliptic/cube_1x1x1_GroundWaterFlow/cube_3e4_neumann.prj b/Tests/Data/Elliptic/cube_1x1x1_SteadyStateDiffusion/cube_3e4_neumann.prj
similarity index 97%
rename from Tests/Data/Elliptic/cube_1x1x1_GroundWaterFlow/cube_3e4_neumann.prj
rename to Tests/Data/Elliptic/cube_1x1x1_SteadyStateDiffusion/cube_3e4_neumann.prj
index a7694be05c5..f80ce8f9d7f 100644
--- a/Tests/Data/Elliptic/cube_1x1x1_GroundWaterFlow/cube_3e4_neumann.prj
+++ b/Tests/Data/Elliptic/cube_1x1x1_SteadyStateDiffusion/cube_3e4_neumann.prj
@@ -4,7 +4,7 @@
     <geometry>cube_1x1x1.gml</geometry>
     <processes>
         <process>
-            <name>GW23</name>
+            <name>SteadyStateDiffusion</name>
             <type>STEADY_STATE_DIFFUSION</type>
             <integration_order>2</integration_order>
             <process_variables>
@@ -34,7 +34,7 @@
     </media>
     <time_loop>
         <processes>
-            <process ref="GW23">
+            <process ref="SteadyStateDiffusion">
                 <nonlinear_solver>basic_picard</nonlinear_solver>
                 <convergence_criterion>
                     <type>DeltaX</type>
diff --git a/Tests/Data/Elliptic/cube_1x1x1_GroundWaterFlow/cube_4e4.prj b/Tests/Data/Elliptic/cube_1x1x1_SteadyStateDiffusion/cube_4e4.prj
similarity index 97%
rename from Tests/Data/Elliptic/cube_1x1x1_GroundWaterFlow/cube_4e4.prj
rename to Tests/Data/Elliptic/cube_1x1x1_SteadyStateDiffusion/cube_4e4.prj
index 8b10e51e2ff..2af92c6b7af 100644
--- a/Tests/Data/Elliptic/cube_1x1x1_GroundWaterFlow/cube_4e4.prj
+++ b/Tests/Data/Elliptic/cube_1x1x1_SteadyStateDiffusion/cube_4e4.prj
@@ -4,7 +4,7 @@
     <geometry>cube_1x1x1.gml</geometry>
     <processes>
         <process>
-            <name>GW23</name>
+            <name>SteadyStateDiffusion</name>
             <type>STEADY_STATE_DIFFUSION</type>
             <integration_order>2</integration_order>
             <process_variables>
@@ -34,7 +34,7 @@
     </media>
     <time_loop>
         <processes>
-            <process ref="GW23">
+            <process ref="SteadyStateDiffusion">
                 <nonlinear_solver>basic_picard</nonlinear_solver>
                 <convergence_criterion>
                     <type>DeltaX</type>
diff --git a/Tests/Data/Elliptic/cube_1x1x1_GroundWaterFlow/cube_4e4_neumann.prj b/Tests/Data/Elliptic/cube_1x1x1_SteadyStateDiffusion/cube_4e4_neumann.prj
similarity index 97%
rename from Tests/Data/Elliptic/cube_1x1x1_GroundWaterFlow/cube_4e4_neumann.prj
rename to Tests/Data/Elliptic/cube_1x1x1_SteadyStateDiffusion/cube_4e4_neumann.prj
index 7782c347ef0..17281d674dc 100644
--- a/Tests/Data/Elliptic/cube_1x1x1_GroundWaterFlow/cube_4e4_neumann.prj
+++ b/Tests/Data/Elliptic/cube_1x1x1_SteadyStateDiffusion/cube_4e4_neumann.prj
@@ -4,7 +4,7 @@
     <geometry>cube_1x1x1.gml</geometry>
     <processes>
         <process>
-            <name>GW23</name>
+            <name>SteadyStateDiffusion</name>
             <type>STEADY_STATE_DIFFUSION</type>
             <integration_order>2</integration_order>
             <process_variables>
@@ -34,7 +34,7 @@
     </media>
     <time_loop>
         <processes>
-            <process ref="GW23">
+            <process ref="SteadyStateDiffusion">
                 <nonlinear_solver>basic_picard</nonlinear_solver>
                 <convergence_criterion>
                     <type>DeltaX</type>
diff --git a/Tests/Data/Elliptic/cube_1x1x1_GroundWaterFlow/cube_5e4.prj b/Tests/Data/Elliptic/cube_1x1x1_SteadyStateDiffusion/cube_5e4.prj
similarity index 97%
rename from Tests/Data/Elliptic/cube_1x1x1_GroundWaterFlow/cube_5e4.prj
rename to Tests/Data/Elliptic/cube_1x1x1_SteadyStateDiffusion/cube_5e4.prj
index bf6d332604f..876f55f8d01 100644
--- a/Tests/Data/Elliptic/cube_1x1x1_GroundWaterFlow/cube_5e4.prj
+++ b/Tests/Data/Elliptic/cube_1x1x1_SteadyStateDiffusion/cube_5e4.prj
@@ -4,7 +4,7 @@
     <geometry>cube_1x1x1.gml</geometry>
     <processes>
         <process>
-            <name>GW23</name>
+            <name>SteadyStateDiffusion</name>
             <type>STEADY_STATE_DIFFUSION</type>
             <integration_order>2</integration_order>
             <process_variables>
@@ -34,7 +34,7 @@
     </media>
     <time_loop>
         <processes>
-            <process ref="GW23">
+            <process ref="SteadyStateDiffusion">
                 <nonlinear_solver>basic_picard</nonlinear_solver>
                 <convergence_criterion>
                     <type>DeltaX</type>
diff --git a/Tests/Data/Elliptic/cube_1x1x1_GroundWaterFlow/cube_5e4_neumann.prj b/Tests/Data/Elliptic/cube_1x1x1_SteadyStateDiffusion/cube_5e4_neumann.prj
similarity index 97%
rename from Tests/Data/Elliptic/cube_1x1x1_GroundWaterFlow/cube_5e4_neumann.prj
rename to Tests/Data/Elliptic/cube_1x1x1_SteadyStateDiffusion/cube_5e4_neumann.prj
index d4243d8d4fd..d43f1707951 100644
--- a/Tests/Data/Elliptic/cube_1x1x1_GroundWaterFlow/cube_5e4_neumann.prj
+++ b/Tests/Data/Elliptic/cube_1x1x1_SteadyStateDiffusion/cube_5e4_neumann.prj
@@ -4,7 +4,7 @@
     <geometry>cube_1x1x1.gml</geometry>
     <processes>
         <process>
-            <name>GW23</name>
+            <name>SteadyStateDiffusion</name>
             <type>STEADY_STATE_DIFFUSION</type>
             <integration_order>2</integration_order>
             <process_variables>
@@ -34,7 +34,7 @@
     </media>
     <time_loop>
         <processes>
-            <process ref="GW23">
+            <process ref="SteadyStateDiffusion">
                 <nonlinear_solver>basic_picard</nonlinear_solver>
                 <convergence_criterion>
                     <type>DeltaX</type>
diff --git a/Tests/Data/Elliptic/line_1_GroundWaterFlow/line_1.gml b/Tests/Data/Elliptic/line_1_SteadyStateDiffusion/line_1.gml
similarity index 100%
rename from Tests/Data/Elliptic/line_1_GroundWaterFlow/line_1.gml
rename to Tests/Data/Elliptic/line_1_SteadyStateDiffusion/line_1.gml
diff --git a/Tests/Data/Elliptic/line_1_GroundWaterFlow/line_1_line_1e1.vtu b/Tests/Data/Elliptic/line_1_SteadyStateDiffusion/line_1_line_1e1.vtu
similarity index 100%
rename from Tests/Data/Elliptic/line_1_GroundWaterFlow/line_1_line_1e1.vtu
rename to Tests/Data/Elliptic/line_1_SteadyStateDiffusion/line_1_line_1e1.vtu
diff --git a/Tests/Data/Elliptic/line_1_GroundWaterFlow/line_1_time_dep_dirichlet.vtu b/Tests/Data/Elliptic/line_1_SteadyStateDiffusion/line_1_time_dep_dirichlet.vtu
similarity index 100%
rename from Tests/Data/Elliptic/line_1_GroundWaterFlow/line_1_time_dep_dirichlet.vtu
rename to Tests/Data/Elliptic/line_1_SteadyStateDiffusion/line_1_time_dep_dirichlet.vtu
diff --git a/Tests/Data/Elliptic/line_1_GroundWaterFlow/line_1e1.prj b/Tests/Data/Elliptic/line_1_SteadyStateDiffusion/line_1e1.prj
similarity index 97%
rename from Tests/Data/Elliptic/line_1_GroundWaterFlow/line_1e1.prj
rename to Tests/Data/Elliptic/line_1_SteadyStateDiffusion/line_1e1.prj
index a2230f84d9f..6129ad70fa0 100644
--- a/Tests/Data/Elliptic/line_1_GroundWaterFlow/line_1e1.prj
+++ b/Tests/Data/Elliptic/line_1_SteadyStateDiffusion/line_1e1.prj
@@ -4,7 +4,7 @@
     <geometry>line_1.gml</geometry>
     <processes>
         <process>
-            <name>GW23</name>
+            <name>SteadyStateDiffusion</name>
             <type>STEADY_STATE_DIFFUSION</type>
             <integration_order>2</integration_order>
             <process_variables>
@@ -34,7 +34,7 @@
     </media>
     <time_loop>
         <processes>
-            <process ref="GW23">
+            <process ref="SteadyStateDiffusion">
                 <nonlinear_solver>basic_picard</nonlinear_solver>
                 <convergence_criterion>
                     <type>DeltaX</type>
diff --git a/Tests/Data/Elliptic/line_1_GroundWaterFlow/line_1e1_neumann.prj b/Tests/Data/Elliptic/line_1_SteadyStateDiffusion/line_1e1_neumann.prj
similarity index 97%
rename from Tests/Data/Elliptic/line_1_GroundWaterFlow/line_1e1_neumann.prj
rename to Tests/Data/Elliptic/line_1_SteadyStateDiffusion/line_1e1_neumann.prj
index b8cb43c1adc..e813f0f64ae 100644
--- a/Tests/Data/Elliptic/line_1_GroundWaterFlow/line_1e1_neumann.prj
+++ b/Tests/Data/Elliptic/line_1_SteadyStateDiffusion/line_1e1_neumann.prj
@@ -4,7 +4,7 @@
     <geometry>line_1.gml</geometry>
     <processes>
         <process>
-            <name>GW23</name>
+            <name>SteadyStateDiffusion</name>
             <type>STEADY_STATE_DIFFUSION</type>
             <integration_order>2</integration_order>
             <process_variables>
@@ -34,7 +34,7 @@
     </media>
     <time_loop>
         <processes>
-            <process ref="GW23">
+            <process ref="SteadyStateDiffusion">
                 <nonlinear_solver>basic_picard</nonlinear_solver>
                 <convergence_criterion>
                     <type>DeltaX</type>
diff --git a/Tests/Data/Elliptic/line_1_GroundWaterFlow/line_1e1_robin_left_picard.prj b/Tests/Data/Elliptic/line_1_SteadyStateDiffusion/line_1e1_robin_left_picard.prj
similarity index 97%
rename from Tests/Data/Elliptic/line_1_GroundWaterFlow/line_1e1_robin_left_picard.prj
rename to Tests/Data/Elliptic/line_1_SteadyStateDiffusion/line_1e1_robin_left_picard.prj
index d2a45eb219c..b528a27c2d0 100644
--- a/Tests/Data/Elliptic/line_1_GroundWaterFlow/line_1e1_robin_left_picard.prj
+++ b/Tests/Data/Elliptic/line_1_SteadyStateDiffusion/line_1e1_robin_left_picard.prj
@@ -4,7 +4,7 @@
     <geometry>line_1.gml</geometry>
     <processes>
         <process>
-            <name>GW23</name>
+            <name>SteadyStateDiffusion</name>
             <type>STEADY_STATE_DIFFUSION</type>
             <integration_order>2</integration_order>
             <process_variables>
@@ -34,7 +34,7 @@
     </media>
     <time_loop>
         <processes>
-            <process ref="GW23">
+            <process ref="SteadyStateDiffusion">
                 <nonlinear_solver>basic_picard</nonlinear_solver>
                 <convergence_criterion>
                     <type>DeltaX</type>
diff --git a/Tests/Data/Elliptic/line_1_GroundWaterFlow/line_1e1_robin_right_picard.prj b/Tests/Data/Elliptic/line_1_SteadyStateDiffusion/line_1e1_robin_right_picard.prj
similarity index 97%
rename from Tests/Data/Elliptic/line_1_GroundWaterFlow/line_1e1_robin_right_picard.prj
rename to Tests/Data/Elliptic/line_1_SteadyStateDiffusion/line_1e1_robin_right_picard.prj
index a7340255259..38ceff3c46b 100644
--- a/Tests/Data/Elliptic/line_1_GroundWaterFlow/line_1e1_robin_right_picard.prj
+++ b/Tests/Data/Elliptic/line_1_SteadyStateDiffusion/line_1e1_robin_right_picard.prj
@@ -4,7 +4,7 @@
     <geometry>line_1.gml</geometry>
     <processes>
         <process>
-            <name>GW23</name>
+            <name>SteadyStateDiffusion</name>
             <type>STEADY_STATE_DIFFUSION</type>
             <integration_order>2</integration_order>
             <process_variables>
@@ -34,7 +34,7 @@
     </media>
     <time_loop>
         <processes>
-            <process ref="GW23">
+            <process ref="SteadyStateDiffusion">
                 <nonlinear_solver>basic_picard</nonlinear_solver>
                 <convergence_criterion>
                     <type>DeltaX</type>
diff --git a/Tests/Data/Elliptic/line_1_GroundWaterFlow/line_1e1_time_dep_dirichlet.prj b/Tests/Data/Elliptic/line_1_SteadyStateDiffusion/line_1e1_time_dep_dirichlet.prj
similarity index 98%
rename from Tests/Data/Elliptic/line_1_GroundWaterFlow/line_1e1_time_dep_dirichlet.prj
rename to Tests/Data/Elliptic/line_1_SteadyStateDiffusion/line_1e1_time_dep_dirichlet.prj
index b9754b91bff..3357e74eb67 100644
--- a/Tests/Data/Elliptic/line_1_GroundWaterFlow/line_1e1_time_dep_dirichlet.prj
+++ b/Tests/Data/Elliptic/line_1_SteadyStateDiffusion/line_1e1_time_dep_dirichlet.prj
@@ -4,7 +4,7 @@
     <geometry>line_1.gml</geometry>
     <processes>
         <process>
-            <name>GW23</name>
+            <name>SteadyStateDiffusion</name>
             <type>STEADY_STATE_DIFFUSION</type>
             <integration_order>2</integration_order>
             <process_variables>
@@ -34,7 +34,7 @@
     </media>
     <time_loop>
         <processes>
-            <process ref="GW23">
+            <process ref="SteadyStateDiffusion">
                 <nonlinear_solver>basic_picard</nonlinear_solver>
                 <convergence_criterion>
                     <type>DeltaX</type>
diff --git a/Tests/Data/Elliptic/line_1_GroundWaterFlow/line_1e1_time_dep_neumann.prj b/Tests/Data/Elliptic/line_1_SteadyStateDiffusion/line_1e1_time_dep_neumann.prj
similarity index 98%
rename from Tests/Data/Elliptic/line_1_GroundWaterFlow/line_1e1_time_dep_neumann.prj
rename to Tests/Data/Elliptic/line_1_SteadyStateDiffusion/line_1e1_time_dep_neumann.prj
index cd10bcee408..a39980446e4 100644
--- a/Tests/Data/Elliptic/line_1_GroundWaterFlow/line_1e1_time_dep_neumann.prj
+++ b/Tests/Data/Elliptic/line_1_SteadyStateDiffusion/line_1e1_time_dep_neumann.prj
@@ -4,7 +4,7 @@
     <geometry>line_1.gml</geometry>
     <processes>
         <process>
-            <name>GW23</name>
+            <name>SteadyStateDiffusion</name>
             <type>STEADY_STATE_DIFFUSION</type>
             <integration_order>2</integration_order>
             <process_variables>
@@ -34,7 +34,7 @@
     </media>
     <time_loop>
         <processes>
-            <process ref="GW23">
+            <process ref="SteadyStateDiffusion">
                 <nonlinear_solver>basic_picard</nonlinear_solver>
                 <convergence_criterion>
                     <type>DeltaX</type>
diff --git a/Tests/Data/Elliptic/nonuniform_bc_Groundwaterflow/dirichlet_nonuniform.prj b/Tests/Data/Elliptic/nonuniform_bc_SteadyStateDiffusion/dirichlet_nonuniform.prj
similarity index 97%
rename from Tests/Data/Elliptic/nonuniform_bc_Groundwaterflow/dirichlet_nonuniform.prj
rename to Tests/Data/Elliptic/nonuniform_bc_SteadyStateDiffusion/dirichlet_nonuniform.prj
index 8f7631eb783..2754189748b 100644
--- a/Tests/Data/Elliptic/nonuniform_bc_Groundwaterflow/dirichlet_nonuniform.prj
+++ b/Tests/Data/Elliptic/nonuniform_bc_SteadyStateDiffusion/dirichlet_nonuniform.prj
@@ -7,7 +7,7 @@
     </meshes>
     <processes>
         <process>
-            <name>GW23</name>
+            <name>SteadyStateDiffusion</name>
             <type>STEADY_STATE_DIFFUSION</type>
             <integration_order>2</integration_order>
             <process_variables>
@@ -19,7 +19,7 @@
     </processes>
     <time_loop>
         <processes>
-            <process ref="GW23">
+            <process ref="SteadyStateDiffusion">
                 <nonlinear_solver>basic_picard</nonlinear_solver>
                 <convergence_criterion>
                     <type>DeltaX</type>
diff --git a/Tests/Data/Elliptic/nonuniform_bc_Groundwaterflow/expected_dirichlet_nonuniform_pcs_0_ts_1_t_1.000000.vtu b/Tests/Data/Elliptic/nonuniform_bc_SteadyStateDiffusion/expected_dirichlet_nonuniform_pcs_0_ts_1_t_1.000000.vtu
similarity index 100%
rename from Tests/Data/Elliptic/nonuniform_bc_Groundwaterflow/expected_dirichlet_nonuniform_pcs_0_ts_1_t_1.000000.vtu
rename to Tests/Data/Elliptic/nonuniform_bc_SteadyStateDiffusion/expected_dirichlet_nonuniform_pcs_0_ts_1_t_1.000000.vtu
diff --git a/Tests/Data/Elliptic/nonuniform_bc_Groundwaterflow/expected_neumann_nonuniform_pcs_0_ts_1_t_1.000000.vtu b/Tests/Data/Elliptic/nonuniform_bc_SteadyStateDiffusion/expected_neumann_nonuniform_pcs_0_ts_1_t_1.000000.vtu
similarity index 100%
rename from Tests/Data/Elliptic/nonuniform_bc_Groundwaterflow/expected_neumann_nonuniform_pcs_0_ts_1_t_1.000000.vtu
rename to Tests/Data/Elliptic/nonuniform_bc_SteadyStateDiffusion/expected_neumann_nonuniform_pcs_0_ts_1_t_1.000000.vtu
diff --git a/Tests/Data/Elliptic/nonuniform_bc_Groundwaterflow/inhomogeneous_mass_flux.vtu b/Tests/Data/Elliptic/nonuniform_bc_SteadyStateDiffusion/inhomogeneous_mass_flux.vtu
similarity index 100%
rename from Tests/Data/Elliptic/nonuniform_bc_Groundwaterflow/inhomogeneous_mass_flux.vtu
rename to Tests/Data/Elliptic/nonuniform_bc_SteadyStateDiffusion/inhomogeneous_mass_flux.vtu
diff --git a/Tests/Data/Elliptic/nonuniform_bc_Groundwaterflow/inhomogeneous_permeability.gml b/Tests/Data/Elliptic/nonuniform_bc_SteadyStateDiffusion/inhomogeneous_permeability.gml
similarity index 100%
rename from Tests/Data/Elliptic/nonuniform_bc_Groundwaterflow/inhomogeneous_permeability.gml
rename to Tests/Data/Elliptic/nonuniform_bc_SteadyStateDiffusion/inhomogeneous_permeability.gml
diff --git a/Tests/Data/Elliptic/nonuniform_bc_Groundwaterflow/inhomogeneous_permeability.prj b/Tests/Data/Elliptic/nonuniform_bc_SteadyStateDiffusion/inhomogeneous_permeability.prj
similarity index 98%
rename from Tests/Data/Elliptic/nonuniform_bc_Groundwaterflow/inhomogeneous_permeability.prj
rename to Tests/Data/Elliptic/nonuniform_bc_SteadyStateDiffusion/inhomogeneous_permeability.prj
index cb241e84545..553db335b9f 100644
--- a/Tests/Data/Elliptic/nonuniform_bc_Groundwaterflow/inhomogeneous_permeability.prj
+++ b/Tests/Data/Elliptic/nonuniform_bc_SteadyStateDiffusion/inhomogeneous_permeability.prj
@@ -7,7 +7,7 @@
     </meshes>
     <processes>
         <process>
-            <name>GW23</name>
+            <name>SteadyStateDiffusion</name>
             <type>STEADY_STATE_DIFFUSION</type>
             <integration_order>2</integration_order>
             <process_variables>
@@ -20,7 +20,7 @@
     </processes>
     <time_loop>
         <processes>
-            <process ref="GW23">
+            <process ref="SteadyStateDiffusion">
                 <nonlinear_solver>basic_picard</nonlinear_solver>
                 <convergence_criterion>
                     <type>DeltaX</type>
diff --git a/Tests/Data/Elliptic/nonuniform_bc_Groundwaterflow/inhomogeneous_permeability.vtu b/Tests/Data/Elliptic/nonuniform_bc_SteadyStateDiffusion/inhomogeneous_permeability.vtu
similarity index 100%
rename from Tests/Data/Elliptic/nonuniform_bc_Groundwaterflow/inhomogeneous_permeability.vtu
rename to Tests/Data/Elliptic/nonuniform_bc_SteadyStateDiffusion/inhomogeneous_permeability.vtu
diff --git a/Tests/Data/Elliptic/nonuniform_bc_Groundwaterflow/inhomogeneous_permeability_bottom.vtu b/Tests/Data/Elliptic/nonuniform_bc_SteadyStateDiffusion/inhomogeneous_permeability_bottom.vtu
similarity index 100%
rename from Tests/Data/Elliptic/nonuniform_bc_Groundwaterflow/inhomogeneous_permeability_bottom.vtu
rename to Tests/Data/Elliptic/nonuniform_bc_SteadyStateDiffusion/inhomogeneous_permeability_bottom.vtu
diff --git a/Tests/Data/Elliptic/nonuniform_bc_Groundwaterflow/inhomogeneous_permeability_top.vtu b/Tests/Data/Elliptic/nonuniform_bc_SteadyStateDiffusion/inhomogeneous_permeability_top.vtu
similarity index 100%
rename from Tests/Data/Elliptic/nonuniform_bc_Groundwaterflow/inhomogeneous_permeability_top.vtu
rename to Tests/Data/Elliptic/nonuniform_bc_SteadyStateDiffusion/inhomogeneous_permeability_top.vtu
diff --git a/Tests/Data/Elliptic/nonuniform_bc_Groundwaterflow/neumann_nonuniform.prj b/Tests/Data/Elliptic/nonuniform_bc_SteadyStateDiffusion/neumann_nonuniform.prj
similarity index 97%
rename from Tests/Data/Elliptic/nonuniform_bc_Groundwaterflow/neumann_nonuniform.prj
rename to Tests/Data/Elliptic/nonuniform_bc_SteadyStateDiffusion/neumann_nonuniform.prj
index 6a2fb4552bb..10693ec0561 100644
--- a/Tests/Data/Elliptic/nonuniform_bc_Groundwaterflow/neumann_nonuniform.prj
+++ b/Tests/Data/Elliptic/nonuniform_bc_SteadyStateDiffusion/neumann_nonuniform.prj
@@ -7,7 +7,7 @@
     </meshes>
     <processes>
         <process>
-            <name>GW23</name>
+            <name>SteadyStateDiffusion</name>
             <type>STEADY_STATE_DIFFUSION</type>
             <integration_order>2</integration_order>
             <process_variables>
@@ -37,7 +37,7 @@
     </media>
     <time_loop>
         <processes>
-            <process ref="GW23">
+            <process ref="SteadyStateDiffusion">
                 <nonlinear_solver>basic_picard</nonlinear_solver>
                 <convergence_criterion>
                     <type>DeltaX</type>
diff --git a/Tests/Data/Elliptic/nonuniform_bc_Groundwaterflow/square_1x1_left.vtu b/Tests/Data/Elliptic/nonuniform_bc_SteadyStateDiffusion/square_1x1_left.vtu
similarity index 100%
rename from Tests/Data/Elliptic/nonuniform_bc_Groundwaterflow/square_1x1_left.vtu
rename to Tests/Data/Elliptic/nonuniform_bc_SteadyStateDiffusion/square_1x1_left.vtu
diff --git a/Tests/Data/Elliptic/nonuniform_bc_Groundwaterflow/square_1x1_quad_1e3.vtu b/Tests/Data/Elliptic/nonuniform_bc_SteadyStateDiffusion/square_1x1_quad_1e3.vtu
similarity index 100%
rename from Tests/Data/Elliptic/nonuniform_bc_Groundwaterflow/square_1x1_quad_1e3.vtu
rename to Tests/Data/Elliptic/nonuniform_bc_SteadyStateDiffusion/square_1x1_quad_1e3.vtu
diff --git a/Tests/Data/Elliptic/nonuniform_bc_Groundwaterflow/square_1x1_right.vtu b/Tests/Data/Elliptic/nonuniform_bc_SteadyStateDiffusion/square_1x1_right.vtu
similarity index 100%
rename from Tests/Data/Elliptic/nonuniform_bc_Groundwaterflow/square_1x1_right.vtu
rename to Tests/Data/Elliptic/nonuniform_bc_SteadyStateDiffusion/square_1x1_right.vtu
diff --git a/Tests/Data/Elliptic/quarter_circle/quarter_circle_neumann.prj b/Tests/Data/Elliptic/quarter_circle/quarter_circle_neumann.prj
index 203d6f9b523..d6528d6cccf 100644
--- a/Tests/Data/Elliptic/quarter_circle/quarter_circle_neumann.prj
+++ b/Tests/Data/Elliptic/quarter_circle/quarter_circle_neumann.prj
@@ -7,7 +7,7 @@
     </meshes>
     <processes>
         <process>
-            <name>GW23</name>
+            <name>SteadyStateDiffusion</name>
             <type>STEADY_STATE_DIFFUSION</type>
             <integration_order>2</integration_order>
             <process_variables>
@@ -20,7 +20,7 @@
     </processes>
     <time_loop>
         <processes>
-            <process ref="GW23">
+            <process ref="SteadyStateDiffusion">
                 <nonlinear_solver>basic_picard</nonlinear_solver>
                 <convergence_criterion>
                     <type>DeltaX</type>
diff --git a/Tests/Data/Elliptic/quarter_circle/quarter_circle_nodal_source_term.prj b/Tests/Data/Elliptic/quarter_circle/quarter_circle_nodal_source_term.prj
index a673c6d3315..5f5f871faf7 100644
--- a/Tests/Data/Elliptic/quarter_circle/quarter_circle_nodal_source_term.prj
+++ b/Tests/Data/Elliptic/quarter_circle/quarter_circle_nodal_source_term.prj
@@ -7,7 +7,7 @@
     </meshes>
     <processes>
         <process>
-            <name>GW23</name>
+            <name>SteadyStateDiffusion</name>
             <type>STEADY_STATE_DIFFUSION</type>
             <integration_order>2</integration_order>
             <process_variables>
@@ -20,7 +20,7 @@
     </processes>
     <time_loop>
         <processes>
-            <process ref="GW23">
+            <process ref="SteadyStateDiffusion">
                 <nonlinear_solver>basic_picard</nonlinear_solver>
                 <convergence_criterion>
                     <type>DeltaX</type>
diff --git a/Tests/Data/Elliptic/quarter_disc/quarter_disc_neumann.prj b/Tests/Data/Elliptic/quarter_disc/quarter_disc_neumann.prj
index 8931db97687..c2c252082a4 100644
--- a/Tests/Data/Elliptic/quarter_disc/quarter_disc_neumann.prj
+++ b/Tests/Data/Elliptic/quarter_disc/quarter_disc_neumann.prj
@@ -7,7 +7,7 @@
     </meshes>
     <processes>
         <process>
-            <name>GW23</name>
+            <name>SteadyStateDiffusion</name>
             <type>STEADY_STATE_DIFFUSION</type>
             <integration_order>2</integration_order>
             <process_variables>
@@ -20,7 +20,7 @@
     </processes>
     <time_loop>
         <processes>
-            <process ref="GW23">
+            <process ref="SteadyStateDiffusion">
                 <nonlinear_solver>basic_picard</nonlinear_solver>
                 <convergence_criterion>
                     <type>DeltaX</type>
diff --git a/Tests/Data/Elliptic/square_1x1_GroundWaterFlow/square_1e0.prj b/Tests/Data/Elliptic/square_1x1_SteadyStateDiffusion/square_1e0.prj
similarity index 97%
rename from Tests/Data/Elliptic/square_1x1_GroundWaterFlow/square_1e0.prj
rename to Tests/Data/Elliptic/square_1x1_SteadyStateDiffusion/square_1e0.prj
index 8553e9975d0..dc6044f0f89 100644
--- a/Tests/Data/Elliptic/square_1x1_GroundWaterFlow/square_1e0.prj
+++ b/Tests/Data/Elliptic/square_1x1_SteadyStateDiffusion/square_1e0.prj
@@ -4,7 +4,7 @@
     <geometry>square_1x1.gml</geometry>
     <processes>
         <process>
-            <name>GW23</name>
+            <name>SteadyStateDiffusion</name>
             <type>STEADY_STATE_DIFFUSION</type>
             <integration_order>2</integration_order>
             <process_variables>
@@ -34,7 +34,7 @@
     </media>
     <time_loop>
         <processes>
-            <process ref="GW23">
+            <process ref="SteadyStateDiffusion">
                 <nonlinear_solver>basic_picard</nonlinear_solver>
                 <convergence_criterion>
                     <type>DeltaX</type>
diff --git a/Tests/Data/Elliptic/square_1x1_GroundWaterFlow/square_1e0_neumann.prj b/Tests/Data/Elliptic/square_1x1_SteadyStateDiffusion/square_1e0_neumann.prj
similarity index 97%
rename from Tests/Data/Elliptic/square_1x1_GroundWaterFlow/square_1e0_neumann.prj
rename to Tests/Data/Elliptic/square_1x1_SteadyStateDiffusion/square_1e0_neumann.prj
index 4e5753a1d4c..18c67aed6c3 100644
--- a/Tests/Data/Elliptic/square_1x1_GroundWaterFlow/square_1e0_neumann.prj
+++ b/Tests/Data/Elliptic/square_1x1_SteadyStateDiffusion/square_1e0_neumann.prj
@@ -4,7 +4,7 @@
     <geometry>square_1x1.gml</geometry>
     <processes>
         <process>
-            <name>GW23</name>
+            <name>SteadyStateDiffusion</name>
             <type>STEADY_STATE_DIFFUSION</type>
             <integration_order>2</integration_order>
             <process_variables>
@@ -34,7 +34,7 @@
     </media>
     <time_loop>
         <processes>
-            <process ref="GW23">
+            <process ref="SteadyStateDiffusion">
                 <nonlinear_solver>basic_picard</nonlinear_solver>
                 <convergence_criterion>
                     <type>DeltaX</type>
diff --git a/Tests/Data/Elliptic/square_1x1_GroundWaterFlow/square_1e1.prj b/Tests/Data/Elliptic/square_1x1_SteadyStateDiffusion/square_1e1.prj
similarity index 97%
rename from Tests/Data/Elliptic/square_1x1_GroundWaterFlow/square_1e1.prj
rename to Tests/Data/Elliptic/square_1x1_SteadyStateDiffusion/square_1e1.prj
index d16d9ea339c..2c275e85bc8 100644
--- a/Tests/Data/Elliptic/square_1x1_GroundWaterFlow/square_1e1.prj
+++ b/Tests/Data/Elliptic/square_1x1_SteadyStateDiffusion/square_1e1.prj
@@ -4,7 +4,7 @@
     <geometry>square_1x1.gml</geometry>
     <processes>
         <process>
-            <name>GW23</name>
+            <name>SteadyStateDiffusion</name>
             <type>STEADY_STATE_DIFFUSION</type>
             <integration_order>2</integration_order>
             <process_variables>
@@ -34,7 +34,7 @@
     </media>
     <time_loop>
         <processes>
-            <process ref="GW23">
+            <process ref="SteadyStateDiffusion">
                 <nonlinear_solver>basic_picard</nonlinear_solver>
                 <convergence_criterion>
                     <type>DeltaX</type>
diff --git a/Tests/Data/Elliptic/square_1x1_GroundWaterFlow/square_1e1_neumann.prj b/Tests/Data/Elliptic/square_1x1_SteadyStateDiffusion/square_1e1_neumann.prj
similarity index 97%
rename from Tests/Data/Elliptic/square_1x1_GroundWaterFlow/square_1e1_neumann.prj
rename to Tests/Data/Elliptic/square_1x1_SteadyStateDiffusion/square_1e1_neumann.prj
index f1fcbb8b78f..ccc591114d7 100644
--- a/Tests/Data/Elliptic/square_1x1_GroundWaterFlow/square_1e1_neumann.prj
+++ b/Tests/Data/Elliptic/square_1x1_SteadyStateDiffusion/square_1e1_neumann.prj
@@ -4,7 +4,7 @@
     <geometry>square_1x1.gml</geometry>
     <processes>
         <process>
-            <name>GW23</name>
+            <name>SteadyStateDiffusion</name>
             <type>STEADY_STATE_DIFFUSION</type>
             <integration_order>2</integration_order>
             <process_variables>
@@ -34,7 +34,7 @@
     </media>
     <time_loop>
         <processes>
-            <process ref="GW23">
+            <process ref="SteadyStateDiffusion">
                 <nonlinear_solver>basic_picard</nonlinear_solver>
                 <convergence_criterion>
                     <type>DeltaX</type>
diff --git a/Tests/Data/Elliptic/square_1x1_GroundWaterFlow/square_1e2.prj b/Tests/Data/Elliptic/square_1x1_SteadyStateDiffusion/square_1e2.prj
similarity index 97%
rename from Tests/Data/Elliptic/square_1x1_GroundWaterFlow/square_1e2.prj
rename to Tests/Data/Elliptic/square_1x1_SteadyStateDiffusion/square_1e2.prj
index 536bad76bc3..ff4b1010dab 100644
--- a/Tests/Data/Elliptic/square_1x1_GroundWaterFlow/square_1e2.prj
+++ b/Tests/Data/Elliptic/square_1x1_SteadyStateDiffusion/square_1e2.prj
@@ -4,7 +4,7 @@
     <geometry>square_1x1.gml</geometry>
     <processes>
         <process>
-            <name>GW23</name>
+            <name>SteadyStateDiffusion</name>
             <type>STEADY_STATE_DIFFUSION</type>
             <integration_order>2</integration_order>
             <process_variables>
@@ -34,7 +34,7 @@
     </media>
     <time_loop>
         <processes>
-            <process ref="GW23">
+            <process ref="SteadyStateDiffusion">
                 <nonlinear_solver>basic_picard</nonlinear_solver>
                 <convergence_criterion>
                     <type>DeltaX</type>
diff --git a/Tests/Data/Elliptic/square_1x1_GroundWaterFlow/square_1e2_axi.prj b/Tests/Data/Elliptic/square_1x1_SteadyStateDiffusion/square_1e2_axi.prj
similarity index 98%
rename from Tests/Data/Elliptic/square_1x1_GroundWaterFlow/square_1e2_axi.prj
rename to Tests/Data/Elliptic/square_1x1_SteadyStateDiffusion/square_1e2_axi.prj
index 0514f8a2c64..bca1a58ba3c 100644
--- a/Tests/Data/Elliptic/square_1x1_GroundWaterFlow/square_1e2_axi.prj
+++ b/Tests/Data/Elliptic/square_1x1_SteadyStateDiffusion/square_1e2_axi.prj
@@ -4,7 +4,7 @@
     <geometry>square_1x1_axi.gml</geometry>
     <processes>
         <process>
-            <name>GW23</name>
+            <name>SteadyStateDiffusion</name>
             <type>STEADY_STATE_DIFFUSION</type>
             <integration_order>2</integration_order>
             <process_variables>
@@ -34,7 +34,7 @@
     </media>
     <time_loop>
         <processes>
-            <process ref="GW23">
+            <process ref="SteadyStateDiffusion">
                 <nonlinear_solver>basic_picard</nonlinear_solver>
                 <convergence_criterion>
                     <type>DeltaX</type>
diff --git a/Tests/Data/Elliptic/square_1x1_GroundWaterFlow/square_1e2_neumann.prj b/Tests/Data/Elliptic/square_1x1_SteadyStateDiffusion/square_1e2_neumann.prj
similarity index 97%
rename from Tests/Data/Elliptic/square_1x1_GroundWaterFlow/square_1e2_neumann.prj
rename to Tests/Data/Elliptic/square_1x1_SteadyStateDiffusion/square_1e2_neumann.prj
index 040831a4737..7c616bfde7b 100644
--- a/Tests/Data/Elliptic/square_1x1_GroundWaterFlow/square_1e2_neumann.prj
+++ b/Tests/Data/Elliptic/square_1x1_SteadyStateDiffusion/square_1e2_neumann.prj
@@ -4,7 +4,7 @@
     <geometry>square_1x1.gml</geometry>
     <processes>
         <process>
-            <name>GW23</name>
+            <name>SteadyStateDiffusion</name>
             <type>STEADY_STATE_DIFFUSION</type>
             <integration_order>2</integration_order>
             <process_variables>
@@ -34,7 +34,7 @@
     </media>
     <time_loop>
         <processes>
-            <process ref="GW23">
+            <process ref="SteadyStateDiffusion">
                 <nonlinear_solver>basic_picard</nonlinear_solver>
                 <convergence_criterion>
                     <type>DeltaX</type>
diff --git a/Tests/Data/Elliptic/square_1x1_GroundWaterFlow/square_1e2_volumetricsourceterm.prj b/Tests/Data/Elliptic/square_1x1_SteadyStateDiffusion/square_1e2_volumetricsourceterm.prj
similarity index 98%
rename from Tests/Data/Elliptic/square_1x1_GroundWaterFlow/square_1e2_volumetricsourceterm.prj
rename to Tests/Data/Elliptic/square_1x1_SteadyStateDiffusion/square_1e2_volumetricsourceterm.prj
index 021047cfad3..08a09f06704 100644
--- a/Tests/Data/Elliptic/square_1x1_GroundWaterFlow/square_1e2_volumetricsourceterm.prj
+++ b/Tests/Data/Elliptic/square_1x1_SteadyStateDiffusion/square_1e2_volumetricsourceterm.prj
@@ -8,7 +8,7 @@
     </meshes>
     <processes>
         <process>
-            <name>GW23</name>
+            <name>SteadyStateDiffusion</name>
             <type>STEADY_STATE_DIFFUSION</type>
             <integration_order>2</integration_order>
             <process_variables>
@@ -21,7 +21,7 @@
     </processes>
     <time_loop>
         <processes>
-            <process ref="GW23">
+            <process ref="SteadyStateDiffusion">
                 <nonlinear_solver>basic_picard</nonlinear_solver>
                 <convergence_criterion>
                     <type>DeltaX</type>
diff --git a/Tests/Data/Elliptic/square_1x1_GroundWaterFlow/square_1e3.prj b/Tests/Data/Elliptic/square_1x1_SteadyStateDiffusion/square_1e3.prj
similarity index 97%
rename from Tests/Data/Elliptic/square_1x1_GroundWaterFlow/square_1e3.prj
rename to Tests/Data/Elliptic/square_1x1_SteadyStateDiffusion/square_1e3.prj
index e76950cc1c3..b04701a74ee 100644
--- a/Tests/Data/Elliptic/square_1x1_GroundWaterFlow/square_1e3.prj
+++ b/Tests/Data/Elliptic/square_1x1_SteadyStateDiffusion/square_1e3.prj
@@ -26,7 +26,7 @@
     </search_length_algorithm>
     <processes>
         <process>
-            <name>GW23</name>
+            <name>SteadyStateDiffusion</name>
             <type>STEADY_STATE_DIFFUSION</type>
             <integration_order>2</integration_order>
             <process_variables>
@@ -39,7 +39,7 @@
     </processes>
     <time_loop>
         <processes>
-            <process ref="GW23">
+            <process ref="SteadyStateDiffusion">
                 <nonlinear_solver>basic_picard</nonlinear_solver>
                 <convergence_criterion>
                     <type>DeltaX</type>
diff --git a/Tests/Data/Elliptic/square_1x1_GroundWaterFlow/square_1e3_neumann.prj b/Tests/Data/Elliptic/square_1x1_SteadyStateDiffusion/square_1e3_neumann.prj
similarity index 98%
rename from Tests/Data/Elliptic/square_1x1_GroundWaterFlow/square_1e3_neumann.prj
rename to Tests/Data/Elliptic/square_1x1_SteadyStateDiffusion/square_1e3_neumann.prj
index 192365ae1a2..c66d8b9b564 100644
--- a/Tests/Data/Elliptic/square_1x1_GroundWaterFlow/square_1e3_neumann.prj
+++ b/Tests/Data/Elliptic/square_1x1_SteadyStateDiffusion/square_1e3_neumann.prj
@@ -25,7 +25,7 @@
     </search_length_algorithm>
     <processes>
         <process>
-            <name>GW23</name>
+            <name>SteadyStateDiffusion</name>
             <type>STEADY_STATE_DIFFUSION</type>
             <integration_order>2</integration_order>
             <process_variables>
@@ -38,7 +38,7 @@
     </processes>
     <time_loop>
         <processes>
-            <process ref="GW23">
+            <process ref="SteadyStateDiffusion">
                 <nonlinear_solver>basic_picard</nonlinear_solver>
                 <convergence_criterion>
                     <type>DeltaX</type>
diff --git a/Tests/Data/Elliptic/square_1x1_GroundWaterFlow/square_1e3_volumetricsourceterm.prj b/Tests/Data/Elliptic/square_1x1_SteadyStateDiffusion/square_1e3_volumetricsourceterm.prj
similarity index 98%
rename from Tests/Data/Elliptic/square_1x1_GroundWaterFlow/square_1e3_volumetricsourceterm.prj
rename to Tests/Data/Elliptic/square_1x1_SteadyStateDiffusion/square_1e3_volumetricsourceterm.prj
index f4ed11b9c6a..eb9cd26fb59 100644
--- a/Tests/Data/Elliptic/square_1x1_GroundWaterFlow/square_1e3_volumetricsourceterm.prj
+++ b/Tests/Data/Elliptic/square_1x1_SteadyStateDiffusion/square_1e3_volumetricsourceterm.prj
@@ -8,7 +8,7 @@
     </meshes>
     <processes>
         <process>
-            <name>GW23</name>
+            <name>SteadyStateDiffusion</name>
             <type>STEADY_STATE_DIFFUSION</type>
             <integration_order>2</integration_order>
             <process_variables>
@@ -21,7 +21,7 @@
     </processes>
     <time_loop>
         <processes>
-            <process ref="GW23">
+            <process ref="SteadyStateDiffusion">
                 <nonlinear_solver>basic_picard</nonlinear_solver>
                 <convergence_criterion>
                     <type>DeltaX</type>
diff --git a/Tests/Data/Elliptic/square_1x1_GroundWaterFlow/square_1e3_volumetricsourcetermdataarray.prj b/Tests/Data/Elliptic/square_1x1_SteadyStateDiffusion/square_1e3_volumetricsourcetermdataarray.prj
similarity index 98%
rename from Tests/Data/Elliptic/square_1x1_GroundWaterFlow/square_1e3_volumetricsourcetermdataarray.prj
rename to Tests/Data/Elliptic/square_1x1_SteadyStateDiffusion/square_1e3_volumetricsourcetermdataarray.prj
index 8610dbe82c2..cdeacdaa52d 100644
--- a/Tests/Data/Elliptic/square_1x1_GroundWaterFlow/square_1e3_volumetricsourcetermdataarray.prj
+++ b/Tests/Data/Elliptic/square_1x1_SteadyStateDiffusion/square_1e3_volumetricsourcetermdataarray.prj
@@ -10,7 +10,7 @@
     </meshes>
     <processes>
         <process>
-            <name>GW23</name>
+            <name>SteadyStateDiffusion</name>
             <type>STEADY_STATE_DIFFUSION</type>
             <integration_order>2</integration_order>
             <process_variables>
@@ -23,7 +23,7 @@
     </processes>
     <time_loop>
         <processes>
-            <process ref="GW23">
+            <process ref="SteadyStateDiffusion">
                 <nonlinear_solver>basic_picard</nonlinear_solver>
                 <convergence_criterion>
                     <type>DeltaX</type>
diff --git a/Tests/Data/Elliptic/square_1x1_GroundWaterFlow/square_1e4.prj b/Tests/Data/Elliptic/square_1x1_SteadyStateDiffusion/square_1e4.prj
similarity index 97%
rename from Tests/Data/Elliptic/square_1x1_GroundWaterFlow/square_1e4.prj
rename to Tests/Data/Elliptic/square_1x1_SteadyStateDiffusion/square_1e4.prj
index 0fe9cd84045..92f1a59b403 100644
--- a/Tests/Data/Elliptic/square_1x1_GroundWaterFlow/square_1e4.prj
+++ b/Tests/Data/Elliptic/square_1x1_SteadyStateDiffusion/square_1e4.prj
@@ -4,7 +4,7 @@
     <geometry>square_1x1.gml</geometry>
     <processes>
         <process>
-            <name>GW23</name>
+            <name>SteadyStateDiffusion</name>
             <type>STEADY_STATE_DIFFUSION</type>
             <integration_order>2</integration_order>
             <process_variables>
@@ -34,7 +34,7 @@
     </media>
     <time_loop>
         <processes>
-            <process ref="GW23">
+            <process ref="SteadyStateDiffusion">
                 <nonlinear_solver>basic_picard</nonlinear_solver>
                 <convergence_criterion>
                     <type>DeltaX</type>
diff --git a/Tests/Data/Elliptic/square_1x1_GroundWaterFlow/square_1e4_axi.prj b/Tests/Data/Elliptic/square_1x1_SteadyStateDiffusion/square_1e4_axi.prj
similarity index 98%
rename from Tests/Data/Elliptic/square_1x1_GroundWaterFlow/square_1e4_axi.prj
rename to Tests/Data/Elliptic/square_1x1_SteadyStateDiffusion/square_1e4_axi.prj
index 7e091ee74ad..729d5429e70 100644
--- a/Tests/Data/Elliptic/square_1x1_GroundWaterFlow/square_1e4_axi.prj
+++ b/Tests/Data/Elliptic/square_1x1_SteadyStateDiffusion/square_1e4_axi.prj
@@ -4,7 +4,7 @@
     <geometry>square_1x1_axi.gml</geometry>
     <processes>
         <process>
-            <name>GW23</name>
+            <name>SteadyStateDiffusion</name>
             <type>STEADY_STATE_DIFFUSION</type>
             <integration_order>2</integration_order>
             <process_variables>
@@ -34,7 +34,7 @@
     </media>
     <time_loop>
         <processes>
-            <process ref="GW23">
+            <process ref="SteadyStateDiffusion">
                 <nonlinear_solver>basic_picard</nonlinear_solver>
                 <convergence_criterion>
                     <type>DeltaX</type>
diff --git a/Tests/Data/Elliptic/square_1x1_GroundWaterFlow/square_1e4_neumann.prj b/Tests/Data/Elliptic/square_1x1_SteadyStateDiffusion/square_1e4_neumann.prj
similarity index 97%
rename from Tests/Data/Elliptic/square_1x1_GroundWaterFlow/square_1e4_neumann.prj
rename to Tests/Data/Elliptic/square_1x1_SteadyStateDiffusion/square_1e4_neumann.prj
index 6920b937de3..743ab360873 100644
--- a/Tests/Data/Elliptic/square_1x1_GroundWaterFlow/square_1e4_neumann.prj
+++ b/Tests/Data/Elliptic/square_1x1_SteadyStateDiffusion/square_1e4_neumann.prj
@@ -4,7 +4,7 @@
     <geometry>square_1x1.gml</geometry>
     <processes>
         <process>
-            <name>GW23</name>
+            <name>SteadyStateDiffusion</name>
             <type>STEADY_STATE_DIFFUSION</type>
             <integration_order>2</integration_order>
             <process_variables>
@@ -34,7 +34,7 @@
     </media>
     <time_loop>
         <processes>
-            <process ref="GW23">
+            <process ref="SteadyStateDiffusion">
                 <nonlinear_solver>basic_picard</nonlinear_solver>
                 <convergence_criterion>
                     <type>DeltaX</type>
diff --git a/Tests/Data/Elliptic/square_1x1_GroundWaterFlow/square_1e5.prj b/Tests/Data/Elliptic/square_1x1_SteadyStateDiffusion/square_1e5.prj
similarity index 97%
rename from Tests/Data/Elliptic/square_1x1_GroundWaterFlow/square_1e5.prj
rename to Tests/Data/Elliptic/square_1x1_SteadyStateDiffusion/square_1e5.prj
index a73a0c7ed8a..f61c397c0d6 100644
--- a/Tests/Data/Elliptic/square_1x1_GroundWaterFlow/square_1e5.prj
+++ b/Tests/Data/Elliptic/square_1x1_SteadyStateDiffusion/square_1e5.prj
@@ -4,7 +4,7 @@
     <geometry>square_1x1.gml</geometry>
     <processes>
         <process>
-            <name>GW23</name>
+            <name>SteadyStateDiffusion</name>
             <type>STEADY_STATE_DIFFUSION</type>
             <integration_order>2</integration_order>
             <process_variables>
@@ -34,7 +34,7 @@
     </media>
     <time_loop>
         <processes>
-            <process ref="GW23">
+            <process ref="SteadyStateDiffusion">
                 <nonlinear_solver>basic_picard</nonlinear_solver>
                 <convergence_criterion>
                     <type>DeltaX</type>
diff --git a/Tests/Data/Elliptic/square_1x1_GroundWaterFlow/square_1e5_neumann.prj b/Tests/Data/Elliptic/square_1x1_SteadyStateDiffusion/square_1e5_neumann.prj
similarity index 97%
rename from Tests/Data/Elliptic/square_1x1_GroundWaterFlow/square_1e5_neumann.prj
rename to Tests/Data/Elliptic/square_1x1_SteadyStateDiffusion/square_1e5_neumann.prj
index 8daae655fb5..10e81260945 100644
--- a/Tests/Data/Elliptic/square_1x1_GroundWaterFlow/square_1e5_neumann.prj
+++ b/Tests/Data/Elliptic/square_1x1_SteadyStateDiffusion/square_1e5_neumann.prj
@@ -4,7 +4,7 @@
     <geometry>square_1x1.gml</geometry>
     <processes>
         <process>
-            <name>GW23</name>
+            <name>SteadyStateDiffusion</name>
             <type>STEADY_STATE_DIFFUSION</type>
             <integration_order>2</integration_order>
             <process_variables>
@@ -34,7 +34,7 @@
     </media>
     <time_loop>
         <processes>
-            <process ref="GW23">
+            <process ref="SteadyStateDiffusion">
                 <nonlinear_solver>basic_picard</nonlinear_solver>
                 <convergence_criterion>
                     <type>DeltaX</type>
diff --git a/Tests/Data/Elliptic/square_1x1_GroundWaterFlow/square_1e6.prj b/Tests/Data/Elliptic/square_1x1_SteadyStateDiffusion/square_1e6.prj
similarity index 97%
rename from Tests/Data/Elliptic/square_1x1_GroundWaterFlow/square_1e6.prj
rename to Tests/Data/Elliptic/square_1x1_SteadyStateDiffusion/square_1e6.prj
index acb1bdb5958..718e24f8d2a 100644
--- a/Tests/Data/Elliptic/square_1x1_GroundWaterFlow/square_1e6.prj
+++ b/Tests/Data/Elliptic/square_1x1_SteadyStateDiffusion/square_1e6.prj
@@ -4,7 +4,7 @@
     <geometry>square_1x1.gml</geometry>
     <processes>
         <process>
-            <name>GW23</name>
+            <name>SteadyStateDiffusion</name>
             <type>STEADY_STATE_DIFFUSION</type>
             <integration_order>2</integration_order>
             <process_variables>
@@ -34,7 +34,7 @@
     </media>
     <time_loop>
         <processes>
-            <process ref="GW23">
+            <process ref="SteadyStateDiffusion">
                 <nonlinear_solver>basic_picard</nonlinear_solver>
                 <convergence_criterion>
                     <type>DeltaX</type>
diff --git a/Tests/Data/Elliptic/square_1x1_GroundWaterFlow/square_1e6_neumann.prj b/Tests/Data/Elliptic/square_1x1_SteadyStateDiffusion/square_1e6_neumann.prj
similarity index 97%
rename from Tests/Data/Elliptic/square_1x1_GroundWaterFlow/square_1e6_neumann.prj
rename to Tests/Data/Elliptic/square_1x1_SteadyStateDiffusion/square_1e6_neumann.prj
index f162400668a..2879c519edc 100644
--- a/Tests/Data/Elliptic/square_1x1_GroundWaterFlow/square_1e6_neumann.prj
+++ b/Tests/Data/Elliptic/square_1x1_SteadyStateDiffusion/square_1e6_neumann.prj
@@ -4,7 +4,7 @@
     <geometry>square_1x1.gml</geometry>
     <processes>
         <process>
-            <name>GW23</name>
+            <name>SteadyStateDiffusion</name>
             <type>STEADY_STATE_DIFFUSION</type>
             <integration_order>2</integration_order>
             <process_variables>
@@ -34,7 +34,7 @@
     </media>
     <time_loop>
         <processes>
-            <process ref="GW23">
+            <process ref="SteadyStateDiffusion">
                 <nonlinear_solver>basic_picard</nonlinear_solver>
                 <convergence_criterion>
                     <type>DeltaX</type>
diff --git a/Tests/Data/Elliptic/square_1x1_GroundWaterFlow/square_1e6_with_nodal_sources.prj b/Tests/Data/Elliptic/square_1x1_SteadyStateDiffusion/square_1e6_with_nodal_sources.prj
similarity index 98%
rename from Tests/Data/Elliptic/square_1x1_GroundWaterFlow/square_1e6_with_nodal_sources.prj
rename to Tests/Data/Elliptic/square_1x1_SteadyStateDiffusion/square_1e6_with_nodal_sources.prj
index 924b4633a9f..d495a9cf7cd 100644
--- a/Tests/Data/Elliptic/square_1x1_GroundWaterFlow/square_1e6_with_nodal_sources.prj
+++ b/Tests/Data/Elliptic/square_1x1_SteadyStateDiffusion/square_1e6_with_nodal_sources.prj
@@ -8,7 +8,7 @@
     </meshes>
     <processes>
         <process>
-            <name>GW23</name>
+            <name>SteadyStateDiffusion</name>
             <type>STEADY_STATE_DIFFUSION</type>
             <integration_order>2</integration_order>
             <process_variables>
@@ -21,7 +21,7 @@
     </processes>
     <time_loop>
         <processes>
-            <process ref="GW23">
+            <process ref="SteadyStateDiffusion">
                 <nonlinear_solver>basic_picard</nonlinear_solver>
                 <convergence_criterion>
                     <type>DeltaX</type>
diff --git a/Tests/Data/Elliptic/square_1x1_GroundWaterFlow/square_1x1.gml b/Tests/Data/Elliptic/square_1x1_SteadyStateDiffusion/square_1x1.gml
similarity index 100%
rename from Tests/Data/Elliptic/square_1x1_GroundWaterFlow/square_1x1.gml
rename to Tests/Data/Elliptic/square_1x1_SteadyStateDiffusion/square_1x1.gml
diff --git a/Tests/Data/Elliptic/square_1x1_GroundWaterFlow/square_1x1_axi.gml b/Tests/Data/Elliptic/square_1x1_SteadyStateDiffusion/square_1x1_axi.gml
similarity index 100%
rename from Tests/Data/Elliptic/square_1x1_GroundWaterFlow/square_1x1_axi.gml
rename to Tests/Data/Elliptic/square_1x1_SteadyStateDiffusion/square_1x1_axi.gml
diff --git a/Tests/Data/Elliptic/square_1x1_GroundWaterFlow/square_1x1_geometry_left.vtu b/Tests/Data/Elliptic/square_1x1_SteadyStateDiffusion/square_1x1_geometry_left.vtu
similarity index 100%
rename from Tests/Data/Elliptic/square_1x1_GroundWaterFlow/square_1x1_geometry_left.vtu
rename to Tests/Data/Elliptic/square_1x1_SteadyStateDiffusion/square_1x1_geometry_left.vtu
diff --git a/Tests/Data/Elliptic/square_1x1_GroundWaterFlow/square_1x1_geometry_middle_point.vtu b/Tests/Data/Elliptic/square_1x1_SteadyStateDiffusion/square_1x1_geometry_middle_point.vtu
similarity index 100%
rename from Tests/Data/Elliptic/square_1x1_GroundWaterFlow/square_1x1_geometry_middle_point.vtu
rename to Tests/Data/Elliptic/square_1x1_SteadyStateDiffusion/square_1x1_geometry_middle_point.vtu
diff --git a/Tests/Data/Elliptic/square_1x1_GroundWaterFlow/square_1x1_geometry_right.vtu b/Tests/Data/Elliptic/square_1x1_SteadyStateDiffusion/square_1x1_geometry_right.vtu
similarity index 100%
rename from Tests/Data/Elliptic/square_1x1_GroundWaterFlow/square_1x1_geometry_right.vtu
rename to Tests/Data/Elliptic/square_1x1_SteadyStateDiffusion/square_1x1_geometry_right.vtu
diff --git a/Tests/Data/Elliptic/square_1x1_GroundWaterFlow/square_1x1_midpoint.gml b/Tests/Data/Elliptic/square_1x1_SteadyStateDiffusion/square_1x1_midpoint.gml
similarity index 100%
rename from Tests/Data/Elliptic/square_1x1_GroundWaterFlow/square_1x1_midpoint.gml
rename to Tests/Data/Elliptic/square_1x1_SteadyStateDiffusion/square_1x1_midpoint.gml
diff --git a/Tests/Data/Elliptic/square_1x1_GroundWaterFlow/square_1x1_quad_1e0.vtu b/Tests/Data/Elliptic/square_1x1_SteadyStateDiffusion/square_1x1_quad_1e0.vtu
similarity index 100%
rename from Tests/Data/Elliptic/square_1x1_GroundWaterFlow/square_1x1_quad_1e0.vtu
rename to Tests/Data/Elliptic/square_1x1_SteadyStateDiffusion/square_1x1_quad_1e0.vtu
diff --git a/Tests/Data/Elliptic/square_1x1_GroundWaterFlow/square_1x1_quad_1e1.vtu b/Tests/Data/Elliptic/square_1x1_SteadyStateDiffusion/square_1x1_quad_1e1.vtu
similarity index 100%
rename from Tests/Data/Elliptic/square_1x1_GroundWaterFlow/square_1x1_quad_1e1.vtu
rename to Tests/Data/Elliptic/square_1x1_SteadyStateDiffusion/square_1x1_quad_1e1.vtu
diff --git a/Tests/Data/Elliptic/square_1x1_GroundWaterFlow/square_1x1_quad_1e2.vtu b/Tests/Data/Elliptic/square_1x1_SteadyStateDiffusion/square_1x1_quad_1e2.vtu
similarity index 100%
rename from Tests/Data/Elliptic/square_1x1_GroundWaterFlow/square_1x1_quad_1e2.vtu
rename to Tests/Data/Elliptic/square_1x1_SteadyStateDiffusion/square_1x1_quad_1e2.vtu
diff --git a/Tests/Data/Elliptic/square_1x1_GroundWaterFlow/square_1x1_quad_1e2_geometry_left.vtu b/Tests/Data/Elliptic/square_1x1_SteadyStateDiffusion/square_1x1_quad_1e2_geometry_left.vtu
similarity index 100%
rename from Tests/Data/Elliptic/square_1x1_GroundWaterFlow/square_1x1_quad_1e2_geometry_left.vtu
rename to Tests/Data/Elliptic/square_1x1_SteadyStateDiffusion/square_1x1_quad_1e2_geometry_left.vtu
diff --git a/Tests/Data/Elliptic/square_1x1_GroundWaterFlow/square_1x1_quad_1e2_geometry_right.vtu b/Tests/Data/Elliptic/square_1x1_SteadyStateDiffusion/square_1x1_quad_1e2_geometry_right.vtu
similarity index 100%
rename from Tests/Data/Elliptic/square_1x1_GroundWaterFlow/square_1x1_quad_1e2_geometry_right.vtu
rename to Tests/Data/Elliptic/square_1x1_SteadyStateDiffusion/square_1x1_quad_1e2_geometry_right.vtu
diff --git a/Tests/Data/Elliptic/square_1x1_GroundWaterFlow/square_1x1_quad_1e2_volumetric_source_term.vtu b/Tests/Data/Elliptic/square_1x1_SteadyStateDiffusion/square_1x1_quad_1e2_volumetric_source_term.vtu
similarity index 100%
rename from Tests/Data/Elliptic/square_1x1_GroundWaterFlow/square_1x1_quad_1e2_volumetric_source_term.vtu
rename to Tests/Data/Elliptic/square_1x1_SteadyStateDiffusion/square_1x1_quad_1e2_volumetric_source_term.vtu
diff --git a/Tests/Data/Elliptic/square_1x1_GroundWaterFlow/square_1x1_quad_1e2_volumetricsourceterm_analytical_solution.vtu b/Tests/Data/Elliptic/square_1x1_SteadyStateDiffusion/square_1x1_quad_1e2_volumetricsourceterm_analytical_solution.vtu
similarity index 100%
rename from Tests/Data/Elliptic/square_1x1_GroundWaterFlow/square_1x1_quad_1e2_volumetricsourceterm_analytical_solution.vtu
rename to Tests/Data/Elliptic/square_1x1_SteadyStateDiffusion/square_1x1_quad_1e2_volumetricsourceterm_analytical_solution.vtu
diff --git a/Tests/Data/Elliptic/square_1x1_GroundWaterFlow/square_1x1_quad_1e3.vtu b/Tests/Data/Elliptic/square_1x1_SteadyStateDiffusion/square_1x1_quad_1e3.vtu
similarity index 100%
rename from Tests/Data/Elliptic/square_1x1_GroundWaterFlow/square_1x1_quad_1e3.vtu
rename to Tests/Data/Elliptic/square_1x1_SteadyStateDiffusion/square_1x1_quad_1e3.vtu
diff --git a/Tests/Data/Elliptic/square_1x1_GroundWaterFlow/square_1x1_quad_1e3_geometry_left.vtu b/Tests/Data/Elliptic/square_1x1_SteadyStateDiffusion/square_1x1_quad_1e3_geometry_left.vtu
similarity index 100%
rename from Tests/Data/Elliptic/square_1x1_GroundWaterFlow/square_1x1_quad_1e3_geometry_left.vtu
rename to Tests/Data/Elliptic/square_1x1_SteadyStateDiffusion/square_1x1_quad_1e3_geometry_left.vtu
diff --git a/Tests/Data/Elliptic/square_1x1_GroundWaterFlow/square_1x1_quad_1e3_geometry_right.vtu b/Tests/Data/Elliptic/square_1x1_SteadyStateDiffusion/square_1x1_quad_1e3_geometry_right.vtu
similarity index 100%
rename from Tests/Data/Elliptic/square_1x1_GroundWaterFlow/square_1x1_quad_1e3_geometry_right.vtu
rename to Tests/Data/Elliptic/square_1x1_SteadyStateDiffusion/square_1x1_quad_1e3_geometry_right.vtu
diff --git a/Tests/Data/Elliptic/square_1x1_GroundWaterFlow/square_1x1_quad_1e3_volumetric_source_term.vtu b/Tests/Data/Elliptic/square_1x1_SteadyStateDiffusion/square_1x1_quad_1e3_volumetric_source_term.vtu
similarity index 100%
rename from Tests/Data/Elliptic/square_1x1_GroundWaterFlow/square_1x1_quad_1e3_volumetric_source_term.vtu
rename to Tests/Data/Elliptic/square_1x1_SteadyStateDiffusion/square_1x1_quad_1e3_volumetric_source_term.vtu
diff --git a/Tests/Data/Elliptic/square_1x1_GroundWaterFlow/square_1x1_quad_1e3_volumetricsourceterm_analytical_solution.vtu b/Tests/Data/Elliptic/square_1x1_SteadyStateDiffusion/square_1x1_quad_1e3_volumetricsourceterm_analytical_solution.vtu
similarity index 100%
rename from Tests/Data/Elliptic/square_1x1_GroundWaterFlow/square_1x1_quad_1e3_volumetricsourceterm_analytical_solution.vtu
rename to Tests/Data/Elliptic/square_1x1_SteadyStateDiffusion/square_1x1_quad_1e3_volumetricsourceterm_analytical_solution.vtu
diff --git a/Tests/Data/Elliptic/square_1x1_GroundWaterFlow/square_1x1_quad_1e3_volumetricsourcetermdataarray.vtu b/Tests/Data/Elliptic/square_1x1_SteadyStateDiffusion/square_1x1_quad_1e3_volumetricsourcetermdataarray.vtu
similarity index 100%
rename from Tests/Data/Elliptic/square_1x1_GroundWaterFlow/square_1x1_quad_1e3_volumetricsourcetermdataarray.vtu
rename to Tests/Data/Elliptic/square_1x1_SteadyStateDiffusion/square_1x1_quad_1e3_volumetricsourcetermdataarray.vtu
diff --git a/Tests/Data/Elliptic/square_1x1_GroundWaterFlow/square_1x1_quad_1e3_volumetricsourcetermdataarray_geometry_ll.vtu b/Tests/Data/Elliptic/square_1x1_SteadyStateDiffusion/square_1x1_quad_1e3_volumetricsourcetermdataarray_geometry_ll.vtu
similarity index 100%
rename from Tests/Data/Elliptic/square_1x1_GroundWaterFlow/square_1x1_quad_1e3_volumetricsourcetermdataarray_geometry_ll.vtu
rename to Tests/Data/Elliptic/square_1x1_SteadyStateDiffusion/square_1x1_quad_1e3_volumetricsourcetermdataarray_geometry_ll.vtu
diff --git a/Tests/Data/Elliptic/square_1x1_GroundWaterFlow/square_1x1_quad_1e3_volumetricsourcetermdataarray_geometry_lr.vtu b/Tests/Data/Elliptic/square_1x1_SteadyStateDiffusion/square_1x1_quad_1e3_volumetricsourcetermdataarray_geometry_lr.vtu
similarity index 100%
rename from Tests/Data/Elliptic/square_1x1_GroundWaterFlow/square_1x1_quad_1e3_volumetricsourcetermdataarray_geometry_lr.vtu
rename to Tests/Data/Elliptic/square_1x1_SteadyStateDiffusion/square_1x1_quad_1e3_volumetricsourcetermdataarray_geometry_lr.vtu
diff --git a/Tests/Data/Elliptic/square_1x1_GroundWaterFlow/square_1x1_quad_1e3_volumetricsourcetermdataarray_geometry_ul.vtu b/Tests/Data/Elliptic/square_1x1_SteadyStateDiffusion/square_1x1_quad_1e3_volumetricsourcetermdataarray_geometry_ul.vtu
similarity index 100%
rename from Tests/Data/Elliptic/square_1x1_GroundWaterFlow/square_1x1_quad_1e3_volumetricsourcetermdataarray_geometry_ul.vtu
rename to Tests/Data/Elliptic/square_1x1_SteadyStateDiffusion/square_1x1_quad_1e3_volumetricsourcetermdataarray_geometry_ul.vtu
diff --git a/Tests/Data/Elliptic/square_1x1_GroundWaterFlow/square_1x1_quad_1e3_volumetricsourcetermdataarray_geometry_ur.vtu b/Tests/Data/Elliptic/square_1x1_SteadyStateDiffusion/square_1x1_quad_1e3_volumetricsourcetermdataarray_geometry_ur.vtu
similarity index 100%
rename from Tests/Data/Elliptic/square_1x1_GroundWaterFlow/square_1x1_quad_1e3_volumetricsourcetermdataarray_geometry_ur.vtu
rename to Tests/Data/Elliptic/square_1x1_SteadyStateDiffusion/square_1x1_quad_1e3_volumetricsourcetermdataarray_geometry_ur.vtu
diff --git a/Tests/Data/Elliptic/square_1x1_GroundWaterFlow/square_1x1_quad_1e3_volumetricsourcetermdataarray_volumetric_source_term.vtu b/Tests/Data/Elliptic/square_1x1_SteadyStateDiffusion/square_1x1_quad_1e3_volumetricsourcetermdataarray_volumetric_source_term.vtu
similarity index 100%
rename from Tests/Data/Elliptic/square_1x1_GroundWaterFlow/square_1x1_quad_1e3_volumetricsourcetermdataarray_volumetric_source_term.vtu
rename to Tests/Data/Elliptic/square_1x1_SteadyStateDiffusion/square_1x1_quad_1e3_volumetricsourcetermdataarray_volumetric_source_term.vtu
diff --git a/Tests/Data/Elliptic/square_1x1_GroundWaterFlow/square_1x1_quad_1e4.vtu b/Tests/Data/Elliptic/square_1x1_SteadyStateDiffusion/square_1x1_quad_1e4.vtu
similarity index 100%
rename from Tests/Data/Elliptic/square_1x1_GroundWaterFlow/square_1x1_quad_1e4.vtu
rename to Tests/Data/Elliptic/square_1x1_SteadyStateDiffusion/square_1x1_quad_1e4.vtu
diff --git a/Tests/Data/Elliptic/square_1x1_GroundWaterFlow/square_1x1_quad_1e5.vtu b/Tests/Data/Elliptic/square_1x1_SteadyStateDiffusion/square_1x1_quad_1e5.vtu
similarity index 100%
rename from Tests/Data/Elliptic/square_1x1_GroundWaterFlow/square_1x1_quad_1e5.vtu
rename to Tests/Data/Elliptic/square_1x1_SteadyStateDiffusion/square_1x1_quad_1e5.vtu
diff --git a/Tests/Data/Elliptic/square_1x1_GroundWaterFlow/square_1x1_quad_1e6.vtu b/Tests/Data/Elliptic/square_1x1_SteadyStateDiffusion/square_1x1_quad_1e6.vtu
similarity index 100%
rename from Tests/Data/Elliptic/square_1x1_GroundWaterFlow/square_1x1_quad_1e6.vtu
rename to Tests/Data/Elliptic/square_1x1_SteadyStateDiffusion/square_1x1_quad_1e6.vtu
diff --git a/Tests/Data/Elliptic/square_1x1_GroundWaterFlow/square_1x1_quad_1e6_nodal_sources_expected.vtu b/Tests/Data/Elliptic/square_1x1_SteadyStateDiffusion/square_1x1_quad_1e6_nodal_sources_expected.vtu
similarity index 100%
rename from Tests/Data/Elliptic/square_1x1_GroundWaterFlow/square_1x1_quad_1e6_nodal_sources_expected.vtu
rename to Tests/Data/Elliptic/square_1x1_SteadyStateDiffusion/square_1x1_quad_1e6_nodal_sources_expected.vtu
diff --git a/Tests/Data/Elliptic/square_1x1_GroundWaterFlow/square_1x1_quad_geometry_right.vtu b/Tests/Data/Elliptic/square_1x1_SteadyStateDiffusion/square_1x1_quad_geometry_right.vtu
similarity index 100%
rename from Tests/Data/Elliptic/square_1x1_GroundWaterFlow/square_1x1_quad_geometry_right.vtu
rename to Tests/Data/Elliptic/square_1x1_SteadyStateDiffusion/square_1x1_quad_geometry_right.vtu
diff --git a/Tests/Data/Elliptic/square_1x1_GroundWaterFlow/wedge-1e2-ang-0.02-surface.vtu b/Tests/Data/Elliptic/square_1x1_SteadyStateDiffusion/wedge-1e2-ang-0.02-surface.vtu
similarity index 100%
rename from Tests/Data/Elliptic/square_1x1_GroundWaterFlow/wedge-1e2-ang-0.02-surface.vtu
rename to Tests/Data/Elliptic/square_1x1_SteadyStateDiffusion/wedge-1e2-ang-0.02-surface.vtu
diff --git a/Tests/Data/Elliptic/square_1x1_GroundWaterFlow/wedge-1e2-ang-0.02.vtu b/Tests/Data/Elliptic/square_1x1_SteadyStateDiffusion/wedge-1e2-ang-0.02.vtu
similarity index 100%
rename from Tests/Data/Elliptic/square_1x1_GroundWaterFlow/wedge-1e2-ang-0.02.vtu
rename to Tests/Data/Elliptic/square_1x1_SteadyStateDiffusion/wedge-1e2-ang-0.02.vtu
diff --git a/Tests/Data/Elliptic/square_1x1_GroundWaterFlow/wedge-1e2-ang-0.2-surface.vtu b/Tests/Data/Elliptic/square_1x1_SteadyStateDiffusion/wedge-1e2-ang-0.2-surface.vtu
similarity index 100%
rename from Tests/Data/Elliptic/square_1x1_GroundWaterFlow/wedge-1e2-ang-0.2-surface.vtu
rename to Tests/Data/Elliptic/square_1x1_SteadyStateDiffusion/wedge-1e2-ang-0.2-surface.vtu
diff --git a/Tests/Data/Elliptic/square_1x1_GroundWaterFlow/wedge-1e2-ang-0.2.vtu b/Tests/Data/Elliptic/square_1x1_SteadyStateDiffusion/wedge-1e2-ang-0.2.vtu
similarity index 100%
rename from Tests/Data/Elliptic/square_1x1_GroundWaterFlow/wedge-1e2-ang-0.2.vtu
rename to Tests/Data/Elliptic/square_1x1_SteadyStateDiffusion/wedge-1e2-ang-0.2.vtu
diff --git a/Tests/Data/Elliptic/square_1x1_GroundWaterFlow/wedge-1e4-ang-0.02-surface.vtu b/Tests/Data/Elliptic/square_1x1_SteadyStateDiffusion/wedge-1e4-ang-0.02-surface.vtu
similarity index 100%
rename from Tests/Data/Elliptic/square_1x1_GroundWaterFlow/wedge-1e4-ang-0.02-surface.vtu
rename to Tests/Data/Elliptic/square_1x1_SteadyStateDiffusion/wedge-1e4-ang-0.02-surface.vtu
diff --git a/Tests/Data/Elliptic/square_1x1_GroundWaterFlow/wedge-1e4-ang-0.02.vtu b/Tests/Data/Elliptic/square_1x1_SteadyStateDiffusion/wedge-1e4-ang-0.02.vtu
similarity index 100%
rename from Tests/Data/Elliptic/square_1x1_GroundWaterFlow/wedge-1e4-ang-0.02.vtu
rename to Tests/Data/Elliptic/square_1x1_SteadyStateDiffusion/wedge-1e4-ang-0.02.vtu
diff --git a/Tests/Data/Elliptic/square_1x1_GroundWaterFlow/wedge-1e4-ang-0.2.vtu b/Tests/Data/Elliptic/square_1x1_SteadyStateDiffusion/wedge-1e4-ang-0.2.vtu
similarity index 100%
rename from Tests/Data/Elliptic/square_1x1_GroundWaterFlow/wedge-1e4-ang-0.2.vtu
rename to Tests/Data/Elliptic/square_1x1_SteadyStateDiffusion/wedge-1e4-ang-0.2.vtu
diff --git a/Tests/Data/Elliptic/square_1x1_GroundWaterFlow/wedge-ang-0.02.gml b/Tests/Data/Elliptic/square_1x1_SteadyStateDiffusion/wedge-ang-0.02.gml
similarity index 100%
rename from Tests/Data/Elliptic/square_1x1_GroundWaterFlow/wedge-ang-0.02.gml
rename to Tests/Data/Elliptic/square_1x1_SteadyStateDiffusion/wedge-ang-0.02.gml
diff --git a/Tests/Data/Elliptic/square_1x1_GroundWaterFlow/wedge-ang-0.2.gml b/Tests/Data/Elliptic/square_1x1_SteadyStateDiffusion/wedge-ang-0.2.gml
similarity index 100%
rename from Tests/Data/Elliptic/square_1x1_GroundWaterFlow/wedge-ang-0.2.gml
rename to Tests/Data/Elliptic/square_1x1_SteadyStateDiffusion/wedge-ang-0.2.gml
diff --git a/Tests/Data/Elliptic/square_1x1_GroundWaterFlow/wedge_1e2_axi_ang_0.02.prj b/Tests/Data/Elliptic/square_1x1_SteadyStateDiffusion/wedge_1e2_axi_ang_0.02.prj
similarity index 98%
rename from Tests/Data/Elliptic/square_1x1_GroundWaterFlow/wedge_1e2_axi_ang_0.02.prj
rename to Tests/Data/Elliptic/square_1x1_SteadyStateDiffusion/wedge_1e2_axi_ang_0.02.prj
index 06695934c6f..fa74bd2177f 100644
--- a/Tests/Data/Elliptic/square_1x1_GroundWaterFlow/wedge_1e2_axi_ang_0.02.prj
+++ b/Tests/Data/Elliptic/square_1x1_SteadyStateDiffusion/wedge_1e2_axi_ang_0.02.prj
@@ -4,7 +4,7 @@
     <geometry>wedge-ang-0.02.gml</geometry>
     <processes>
         <process>
-            <name>GW23</name>
+            <name>SteadyStateDiffusion</name>
             <type>STEADY_STATE_DIFFUSION</type>
             <integration_order>2</integration_order>
             <process_variables>
@@ -34,7 +34,7 @@
     </media>
     <time_loop>
         <processes>
-            <process ref="GW23">
+            <process ref="SteadyStateDiffusion">
                 <nonlinear_solver>basic_picard</nonlinear_solver>
                 <convergence_criterion>
                     <type>DeltaX</type>
diff --git a/Tests/Data/Elliptic/square_1x1_GroundWaterFlow/wedge_1e2_axi_ang_0.2.prj b/Tests/Data/Elliptic/square_1x1_SteadyStateDiffusion/wedge_1e2_axi_ang_0.2.prj
similarity index 98%
rename from Tests/Data/Elliptic/square_1x1_GroundWaterFlow/wedge_1e2_axi_ang_0.2.prj
rename to Tests/Data/Elliptic/square_1x1_SteadyStateDiffusion/wedge_1e2_axi_ang_0.2.prj
index 760e63d52c4..486864d6b2a 100644
--- a/Tests/Data/Elliptic/square_1x1_GroundWaterFlow/wedge_1e2_axi_ang_0.2.prj
+++ b/Tests/Data/Elliptic/square_1x1_SteadyStateDiffusion/wedge_1e2_axi_ang_0.2.prj
@@ -4,7 +4,7 @@
     <geometry>wedge-ang-0.2.gml</geometry>
     <processes>
         <process>
-            <name>GW23</name>
+            <name>SteadyStateDiffusion</name>
             <type>STEADY_STATE_DIFFUSION</type>
             <integration_order>2</integration_order>
             <process_variables>
@@ -34,7 +34,7 @@
     </media>
     <time_loop>
         <processes>
-            <process ref="GW23">
+            <process ref="SteadyStateDiffusion">
                 <nonlinear_solver>basic_picard</nonlinear_solver>
                 <convergence_criterion>
                     <type>DeltaX</type>
diff --git a/Tests/Data/Elliptic/square_1x1_GroundWaterFlow/wedge_1e4_axi_ang_0.02.prj b/Tests/Data/Elliptic/square_1x1_SteadyStateDiffusion/wedge_1e4_axi_ang_0.02.prj
similarity index 98%
rename from Tests/Data/Elliptic/square_1x1_GroundWaterFlow/wedge_1e4_axi_ang_0.02.prj
rename to Tests/Data/Elliptic/square_1x1_SteadyStateDiffusion/wedge_1e4_axi_ang_0.02.prj
index 6bb6fc6d44e..6428649930b 100644
--- a/Tests/Data/Elliptic/square_1x1_GroundWaterFlow/wedge_1e4_axi_ang_0.02.prj
+++ b/Tests/Data/Elliptic/square_1x1_SteadyStateDiffusion/wedge_1e4_axi_ang_0.02.prj
@@ -4,7 +4,7 @@
     <geometry>wedge-ang-0.02.gml</geometry>
     <processes>
         <process>
-            <name>GW23</name>
+            <name>SteadyStateDiffusion</name>
             <type>STEADY_STATE_DIFFUSION</type>
             <integration_order>2</integration_order>
             <process_variables>
@@ -34,7 +34,7 @@
     </media>
     <time_loop>
         <processes>
-            <process ref="GW23">
+            <process ref="SteadyStateDiffusion">
                 <nonlinear_solver>basic_picard</nonlinear_solver>
                 <convergence_criterion>
                     <type>DeltaX</type>
diff --git a/Tests/Data/Elliptic/square_1x1_GroundWaterFlow_Python/bcs_laplace_eq.py b/Tests/Data/Elliptic/square_1x1_SteadyStateDiffusion_Python/bcs_laplace_eq.py
similarity index 100%
rename from Tests/Data/Elliptic/square_1x1_GroundWaterFlow_Python/bcs_laplace_eq.py
rename to Tests/Data/Elliptic/square_1x1_SteadyStateDiffusion_Python/bcs_laplace_eq.py
diff --git a/Tests/Data/Elliptic/square_1x1_GroundWaterFlow_Python/python_laplace_eq_ref.vtu b/Tests/Data/Elliptic/square_1x1_SteadyStateDiffusion_Python/python_laplace_eq_ref.vtu
similarity index 100%
rename from Tests/Data/Elliptic/square_1x1_GroundWaterFlow_Python/python_laplace_eq_ref.vtu
rename to Tests/Data/Elliptic/square_1x1_SteadyStateDiffusion_Python/python_laplace_eq_ref.vtu
diff --git a/Tests/Data/Elliptic/square_1x1_GroundWaterFlow_Python/sin_x_sin_y_source_term.py b/Tests/Data/Elliptic/square_1x1_SteadyStateDiffusion_Python/sin_x_sin_y_source_term.py
similarity index 100%
rename from Tests/Data/Elliptic/square_1x1_GroundWaterFlow_Python/sin_x_sin_y_source_term.py
rename to Tests/Data/Elliptic/square_1x1_SteadyStateDiffusion_Python/sin_x_sin_y_source_term.py
diff --git a/Tests/Data/Elliptic/square_1x1_GroundWaterFlow_Python/square_1e3_laplace_eq.prj b/Tests/Data/Elliptic/square_1x1_SteadyStateDiffusion_Python/square_1e3_laplace_eq.prj
similarity index 98%
rename from Tests/Data/Elliptic/square_1x1_GroundWaterFlow_Python/square_1e3_laplace_eq.prj
rename to Tests/Data/Elliptic/square_1x1_SteadyStateDiffusion_Python/square_1e3_laplace_eq.prj
index a72e369ca69..b126b1d7718 100644
--- a/Tests/Data/Elliptic/square_1x1_GroundWaterFlow_Python/square_1e3_laplace_eq.prj
+++ b/Tests/Data/Elliptic/square_1x1_SteadyStateDiffusion_Python/square_1e3_laplace_eq.prj
@@ -22,7 +22,7 @@
     </media>
     <processes>
         <process>
-            <name>GW23</name>
+            <name>SteadyStateDiffusion</name>
             <type>STEADY_STATE_DIFFUSION</type>
             <integration_order>2</integration_order>
             <process_variables>
@@ -38,7 +38,7 @@
     </processes>
     <time_loop>
         <processes>
-            <process ref="GW23">
+            <process ref="SteadyStateDiffusion">
                 <nonlinear_solver>basic_newton</nonlinear_solver>
                 <convergence_criterion>
                     <type>DeltaX</type>
diff --git a/Tests/Data/Elliptic/square_1x1_GroundWaterFlow_Python/square_1e3_poisson_sin_x_sin_y.prj b/Tests/Data/Elliptic/square_1x1_SteadyStateDiffusion_Python/square_1e3_poisson_sin_x_sin_y.prj
similarity index 98%
rename from Tests/Data/Elliptic/square_1x1_GroundWaterFlow_Python/square_1e3_poisson_sin_x_sin_y.prj
rename to Tests/Data/Elliptic/square_1x1_SteadyStateDiffusion_Python/square_1e3_poisson_sin_x_sin_y.prj
index 66a6a5c14d6..34bd9857098 100644
--- a/Tests/Data/Elliptic/square_1x1_GroundWaterFlow_Python/square_1e3_poisson_sin_x_sin_y.prj
+++ b/Tests/Data/Elliptic/square_1x1_SteadyStateDiffusion_Python/square_1e3_poisson_sin_x_sin_y.prj
@@ -11,7 +11,7 @@
     <python_script>sin_x_sin_y_source_term.py</python_script>
     <processes>
         <process>
-            <name>GW23</name>
+            <name>SteadyStateDiffusion</name>
             <type>STEADY_STATE_DIFFUSION</type>
             <integration_order>2</integration_order>
             <process_variables>
@@ -41,7 +41,7 @@
     </media>
     <time_loop>
         <processes>
-            <process ref="GW23">
+            <process ref="SteadyStateDiffusion">
                 <nonlinear_solver>basic_picard</nonlinear_solver>
                 <convergence_criterion>
                     <type>DeltaX</type>
diff --git a/Tests/Data/Elliptic/square_1x1_GroundWaterFlow_Python/square_1e5_poisson_sin_x_sin_y.prj b/Tests/Data/Elliptic/square_1x1_SteadyStateDiffusion_Python/square_1e5_poisson_sin_x_sin_y.prj
similarity index 98%
rename from Tests/Data/Elliptic/square_1x1_GroundWaterFlow_Python/square_1e5_poisson_sin_x_sin_y.prj
rename to Tests/Data/Elliptic/square_1x1_SteadyStateDiffusion_Python/square_1e5_poisson_sin_x_sin_y.prj
index c01c6afe97f..3a05ced450f 100644
--- a/Tests/Data/Elliptic/square_1x1_GroundWaterFlow_Python/square_1e5_poisson_sin_x_sin_y.prj
+++ b/Tests/Data/Elliptic/square_1x1_SteadyStateDiffusion_Python/square_1e5_poisson_sin_x_sin_y.prj
@@ -11,7 +11,7 @@
     <python_script>sin_x_sin_y_source_term.py</python_script>
     <processes>
         <process>
-            <name>GW23</name>
+            <name>SteadyStateDiffusion</name>
             <type>STEADY_STATE_DIFFUSION</type>
             <integration_order>2</integration_order>
             <process_variables>
@@ -41,7 +41,7 @@
     </media>
     <time_loop>
         <processes>
-            <process ref="GW23">
+            <process ref="SteadyStateDiffusion">
                 <nonlinear_solver>basic_picard</nonlinear_solver>
                 <convergence_criterion>
                     <type>DeltaX</type>
diff --git a/Tests/Data/Elliptic/square_1x1_GroundWaterFlow_Python/square_1x1.gml b/Tests/Data/Elliptic/square_1x1_SteadyStateDiffusion_Python/square_1x1.gml
similarity index 100%
rename from Tests/Data/Elliptic/square_1x1_GroundWaterFlow_Python/square_1x1.gml
rename to Tests/Data/Elliptic/square_1x1_SteadyStateDiffusion_Python/square_1x1.gml
diff --git a/Tests/Data/Elliptic/square_1x1_GroundWaterFlow_Python/square_1x1_quad_1e3.vtu b/Tests/Data/Elliptic/square_1x1_SteadyStateDiffusion_Python/square_1x1_quad_1e3.vtu
similarity index 100%
rename from Tests/Data/Elliptic/square_1x1_GroundWaterFlow_Python/square_1x1_quad_1e3.vtu
rename to Tests/Data/Elliptic/square_1x1_SteadyStateDiffusion_Python/square_1x1_quad_1e3.vtu
diff --git a/Tests/Data/Elliptic/square_1x1_GroundWaterFlow_Python/square_1x1_quad_1e3_entire_domain.vtu b/Tests/Data/Elliptic/square_1x1_SteadyStateDiffusion_Python/square_1x1_quad_1e3_entire_domain.vtu
similarity index 100%
rename from Tests/Data/Elliptic/square_1x1_GroundWaterFlow_Python/square_1x1_quad_1e3_entire_domain.vtu
rename to Tests/Data/Elliptic/square_1x1_SteadyStateDiffusion_Python/square_1x1_quad_1e3_entire_domain.vtu
diff --git a/Tests/Data/Elliptic/square_1x1_GroundWaterFlow_Python/square_1x1_quad_1e3_geometry_ll.vtu b/Tests/Data/Elliptic/square_1x1_SteadyStateDiffusion_Python/square_1x1_quad_1e3_geometry_ll.vtu
similarity index 100%
rename from Tests/Data/Elliptic/square_1x1_GroundWaterFlow_Python/square_1x1_quad_1e3_geometry_ll.vtu
rename to Tests/Data/Elliptic/square_1x1_SteadyStateDiffusion_Python/square_1x1_quad_1e3_geometry_ll.vtu
diff --git a/Tests/Data/Elliptic/square_1x1_GroundWaterFlow_Python/square_1x1_quad_1e3_geometry_lr.vtu b/Tests/Data/Elliptic/square_1x1_SteadyStateDiffusion_Python/square_1x1_quad_1e3_geometry_lr.vtu
similarity index 100%
rename from Tests/Data/Elliptic/square_1x1_GroundWaterFlow_Python/square_1x1_quad_1e3_geometry_lr.vtu
rename to Tests/Data/Elliptic/square_1x1_SteadyStateDiffusion_Python/square_1x1_quad_1e3_geometry_lr.vtu
diff --git a/Tests/Data/Elliptic/square_1x1_GroundWaterFlow_Python/square_1x1_quad_1e3_geometry_ul.vtu b/Tests/Data/Elliptic/square_1x1_SteadyStateDiffusion_Python/square_1x1_quad_1e3_geometry_ul.vtu
similarity index 100%
rename from Tests/Data/Elliptic/square_1x1_GroundWaterFlow_Python/square_1x1_quad_1e3_geometry_ul.vtu
rename to Tests/Data/Elliptic/square_1x1_SteadyStateDiffusion_Python/square_1x1_quad_1e3_geometry_ul.vtu
diff --git a/Tests/Data/Elliptic/square_1x1_GroundWaterFlow_Python/square_1x1_quad_1e3_geometry_ur.vtu b/Tests/Data/Elliptic/square_1x1_SteadyStateDiffusion_Python/square_1x1_quad_1e3_geometry_ur.vtu
similarity index 100%
rename from Tests/Data/Elliptic/square_1x1_GroundWaterFlow_Python/square_1x1_quad_1e3_geometry_ur.vtu
rename to Tests/Data/Elliptic/square_1x1_SteadyStateDiffusion_Python/square_1x1_quad_1e3_geometry_ur.vtu
diff --git a/Tests/Data/Elliptic/square_1x1_GroundWaterFlow_Python/square_1x1_quad_1e5.vtu b/Tests/Data/Elliptic/square_1x1_SteadyStateDiffusion_Python/square_1x1_quad_1e5.vtu
similarity index 100%
rename from Tests/Data/Elliptic/square_1x1_GroundWaterFlow_Python/square_1x1_quad_1e5.vtu
rename to Tests/Data/Elliptic/square_1x1_SteadyStateDiffusion_Python/square_1x1_quad_1e5.vtu
diff --git a/Tests/Data/Elliptic/square_1x1_GroundWaterFlow_Python/square_1x1_quad_1e5_entire_domain.vtu b/Tests/Data/Elliptic/square_1x1_SteadyStateDiffusion_Python/square_1x1_quad_1e5_entire_domain.vtu
similarity index 100%
rename from Tests/Data/Elliptic/square_1x1_GroundWaterFlow_Python/square_1x1_quad_1e5_entire_domain.vtu
rename to Tests/Data/Elliptic/square_1x1_SteadyStateDiffusion_Python/square_1x1_quad_1e5_entire_domain.vtu
diff --git a/Tests/Data/Elliptic/square_1x1_GroundWaterFlow_Python/square_1x1_quad_1e5_geometry_ll.vtu b/Tests/Data/Elliptic/square_1x1_SteadyStateDiffusion_Python/square_1x1_quad_1e5_geometry_ll.vtu
similarity index 100%
rename from Tests/Data/Elliptic/square_1x1_GroundWaterFlow_Python/square_1x1_quad_1e5_geometry_ll.vtu
rename to Tests/Data/Elliptic/square_1x1_SteadyStateDiffusion_Python/square_1x1_quad_1e5_geometry_ll.vtu
diff --git a/Tests/Data/Elliptic/square_1x1_GroundWaterFlow_Python/square_1x1_quad_1e5_geometry_lr.vtu b/Tests/Data/Elliptic/square_1x1_SteadyStateDiffusion_Python/square_1x1_quad_1e5_geometry_lr.vtu
similarity index 100%
rename from Tests/Data/Elliptic/square_1x1_GroundWaterFlow_Python/square_1x1_quad_1e5_geometry_lr.vtu
rename to Tests/Data/Elliptic/square_1x1_SteadyStateDiffusion_Python/square_1x1_quad_1e5_geometry_lr.vtu
diff --git a/Tests/Data/Elliptic/square_1x1_GroundWaterFlow_Python/square_1x1_quad_1e5_geometry_ul.vtu b/Tests/Data/Elliptic/square_1x1_SteadyStateDiffusion_Python/square_1x1_quad_1e5_geometry_ul.vtu
similarity index 100%
rename from Tests/Data/Elliptic/square_1x1_GroundWaterFlow_Python/square_1x1_quad_1e5_geometry_ul.vtu
rename to Tests/Data/Elliptic/square_1x1_SteadyStateDiffusion_Python/square_1x1_quad_1e5_geometry_ul.vtu
diff --git a/Tests/Data/Elliptic/square_1x1_GroundWaterFlow_Python/square_1x1_quad_1e5_geometry_ur.vtu b/Tests/Data/Elliptic/square_1x1_SteadyStateDiffusion_Python/square_1x1_quad_1e5_geometry_ur.vtu
similarity index 100%
rename from Tests/Data/Elliptic/square_1x1_GroundWaterFlow_Python/square_1x1_quad_1e5_geometry_ur.vtu
rename to Tests/Data/Elliptic/square_1x1_SteadyStateDiffusion_Python/square_1x1_quad_1e5_geometry_ur.vtu
diff --git a/Tests/Data/Elliptic/wedge_1x1x1_GroundWaterFlow/wedge_1e3_prism_surfaceflux_diagonal.prj b/Tests/Data/Elliptic/wedge_1x1x1_SteadyStateDiffusion/wedge_1e3_prism_surfaceflux_diagonal.prj
similarity index 98%
rename from Tests/Data/Elliptic/wedge_1x1x1_GroundWaterFlow/wedge_1e3_prism_surfaceflux_diagonal.prj
rename to Tests/Data/Elliptic/wedge_1x1x1_SteadyStateDiffusion/wedge_1e3_prism_surfaceflux_diagonal.prj
index 9f5603230b3..9b02148d652 100644
--- a/Tests/Data/Elliptic/wedge_1x1x1_GroundWaterFlow/wedge_1e3_prism_surfaceflux_diagonal.prj
+++ b/Tests/Data/Elliptic/wedge_1x1x1_SteadyStateDiffusion/wedge_1e3_prism_surfaceflux_diagonal.prj
@@ -8,7 +8,7 @@
     </meshes>
     <processes>
         <process>
-            <name>GW23</name>
+            <name>SteadyStateDiffusion</name>
             <type>STEADY_STATE_DIFFUSION</type>
             <integration_order>2</integration_order>
             <process_variables>
@@ -26,7 +26,7 @@
     </processes>
     <time_loop>
         <processes>
-            <process ref="GW23">
+            <process ref="SteadyStateDiffusion">
                 <nonlinear_solver>basic_picard</nonlinear_solver>
                 <convergence_criterion>
                     <type>DeltaX</type>
diff --git a/Tests/Data/Elliptic/wedge_1x1x1_GroundWaterFlow/wedge_1x1x1.gml b/Tests/Data/Elliptic/wedge_1x1x1_SteadyStateDiffusion/wedge_1x1x1.gml
similarity index 100%
rename from Tests/Data/Elliptic/wedge_1x1x1_GroundWaterFlow/wedge_1x1x1.gml
rename to Tests/Data/Elliptic/wedge_1x1x1_SteadyStateDiffusion/wedge_1x1x1.gml
diff --git a/Tests/Data/Elliptic/wedge_1x1x1_GroundWaterFlow/wedge_1x1x1_1e3_prism.vtu b/Tests/Data/Elliptic/wedge_1x1x1_SteadyStateDiffusion/wedge_1x1x1_1e3_prism.vtu
similarity index 100%
rename from Tests/Data/Elliptic/wedge_1x1x1_GroundWaterFlow/wedge_1x1x1_1e3_prism.vtu
rename to Tests/Data/Elliptic/wedge_1x1x1_SteadyStateDiffusion/wedge_1x1x1_1e3_prism.vtu
diff --git a/Tests/Data/Elliptic/wedge_1x1x1_GroundWaterFlow/wedge_1x1x1_1e3_prism_bottom.vtu b/Tests/Data/Elliptic/wedge_1x1x1_SteadyStateDiffusion/wedge_1x1x1_1e3_prism_bottom.vtu
similarity index 100%
rename from Tests/Data/Elliptic/wedge_1x1x1_GroundWaterFlow/wedge_1x1x1_1e3_prism_bottom.vtu
rename to Tests/Data/Elliptic/wedge_1x1x1_SteadyStateDiffusion/wedge_1x1x1_1e3_prism_bottom.vtu
diff --git a/Tests/Data/Elliptic/wedge_1x1x1_GroundWaterFlow/wedge_1x1x1_1e3_prism_complete_surface.vtu b/Tests/Data/Elliptic/wedge_1x1x1_SteadyStateDiffusion/wedge_1x1x1_1e3_prism_complete_surface.vtu
similarity index 100%
rename from Tests/Data/Elliptic/wedge_1x1x1_GroundWaterFlow/wedge_1x1x1_1e3_prism_complete_surface.vtu
rename to Tests/Data/Elliptic/wedge_1x1x1_SteadyStateDiffusion/wedge_1x1x1_1e3_prism_complete_surface.vtu
diff --git a/Tests/Data/Elliptic/wedge_1x1x1_GroundWaterFlow/wedge_1x1x1_1e3_prism_complete_surface_specific_flux_t_1.000000.vtu b/Tests/Data/Elliptic/wedge_1x1x1_SteadyStateDiffusion/wedge_1x1x1_1e3_prism_complete_surface_specific_flux_t_1.000000.vtu
similarity index 100%
rename from Tests/Data/Elliptic/wedge_1x1x1_GroundWaterFlow/wedge_1x1x1_1e3_prism_complete_surface_specific_flux_t_1.000000.vtu
rename to Tests/Data/Elliptic/wedge_1x1x1_SteadyStateDiffusion/wedge_1x1x1_1e3_prism_complete_surface_specific_flux_t_1.000000.vtu
diff --git a/Tests/Data/Elliptic/wedge_1x1x1_GroundWaterFlow/wedge_1x1x1_1e3_prism_diagonal-left-front--right-back.vtu b/Tests/Data/Elliptic/wedge_1x1x1_SteadyStateDiffusion/wedge_1x1x1_1e3_prism_diagonal-left-front--right-back.vtu
similarity index 100%
rename from Tests/Data/Elliptic/wedge_1x1x1_GroundWaterFlow/wedge_1x1x1_1e3_prism_diagonal-left-front--right-back.vtu
rename to Tests/Data/Elliptic/wedge_1x1x1_SteadyStateDiffusion/wedge_1x1x1_1e3_prism_diagonal-left-front--right-back.vtu
diff --git a/Tests/Data/Elliptic/wedge_1x1x1_GroundWaterFlow/wedge_1x1x1_1e3_prism_left-front-top-bottom.vtu b/Tests/Data/Elliptic/wedge_1x1x1_SteadyStateDiffusion/wedge_1x1x1_1e3_prism_left-front-top-bottom.vtu
similarity index 100%
rename from Tests/Data/Elliptic/wedge_1x1x1_GroundWaterFlow/wedge_1x1x1_1e3_prism_left-front-top-bottom.vtu
rename to Tests/Data/Elliptic/wedge_1x1x1_SteadyStateDiffusion/wedge_1x1x1_1e3_prism_left-front-top-bottom.vtu
diff --git a/Tests/FileIO_Qt/TestQtPrjInterface.cpp b/Tests/FileIO_Qt/TestQtPrjInterface.cpp
index 285887a3735..b99a524ab8d 100644
--- a/Tests/FileIO_Qt/TestQtPrjInterface.cpp
+++ b/Tests/FileIO_Qt/TestQtPrjInterface.cpp
@@ -34,10 +34,10 @@ TEST(TestQtPrjInterface, QtXmlPrjReader)
 
     std::string name =
         TestInfoLib::TestInfo::data_path +
-        "/Elliptic/nonuniform_bc_Groundwaterflow/neumann_nonuniform.prj";
+        "/Elliptic/nonuniform_bc_SteadyStateDiffusion/neumann_nonuniform.prj";
     test_files.push_back({name, 0, 3, 2, 0});
     name = TestInfoLib::TestInfo::data_path +
-           "/Elliptic/nonuniform_bc_Groundwaterflow/neumann_nonuniform.prj";
+           "/Elliptic/nonuniform_bc_SteadyStateDiffusion/neumann_nonuniform.prj";
     test_files.push_back({name, 0, 3, 2, 0});
 
     for (auto& test_file : test_files)
-- 
GitLab