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Commit f1e1ad10 authored by wenqing's avatar wenqing Committed by Dmitri Naumov
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[Ctest/LiquidFlow] Added two benchmarks with inclined 2D mesh.

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ProcessLib/LiquidFlow/Tests.cmake
+ 27
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View file @ f1e1ad10
......@@ -535,3 +535,30 @@ if (NOT (OGS_USE_MPI))
OgsTest(PROJECTFILE Parabolic/LiquidFlow/SimpleSynthetics/PrimaryVariableConstraintDirichletBC/cuboid_1x1x1_hex_1000_Dirichlet_Dirichlet_3.prj)
OgsTest(PROJECTFILE Parabolic/LiquidFlow/SimpleSynthetics/FunctionParameterTest.prj)
endif()
# inclined mesh
AddTest(
NAME LiquidFlow_HydrostaticFlowInInclined_2D_Plane
PATH Parabolic/LiquidFlow/InclinedMeshElements/Inclined2DMesh
EXECUTABLE ogs
EXECUTABLE_ARGS hydrostatic_flow_in_inclined_2D_plane.prj
WRAPPER time
TESTER vtkdiff
REQUIREMENTS NOT OGS_USE_MPI
DIFF_DATA
hydrostatic_flow_in_inclined_2D_plane_ts_t_1.000000.vtu hydrostatic_flow_in_inclined_2D_plane_ts_t_1.000000.vtu pressure pressure 1e-07 1e-13
hydrostatic_flow_in_inclined_2D_plane_ts_t_1.000000.vtu hydrostatic_flow_in_inclined_2D_plane_ts_t_1.000000.vtu v v 1e-14 1e-14
)
AddTest(
NAME LiquidFlow_TransientFlowInInclined_2D_Plane
PATH Parabolic/LiquidFlow/InclinedMeshElements/Inclined2DMesh
EXECUTABLE ogs
EXECUTABLE_ARGS transient_flow_in_inclined_2D_plane.prj
WRAPPER time
TESTER vtkdiff
REQUIREMENTS NOT OGS_USE_MPI
DIFF_DATA
transient_flow_in_inclined_2D_plane_ts_t_864000.000000.vtu transient_flow_in_inclined_2D_plane_ts_t_864000.000000.vtu pressure pressure 1e-14 1e-11
transient_flow_in_inclined_2D_plane_ts_t_864000.000000.vtu transient_flow_in_inclined_2D_plane_ts_t_864000.000000.vtu v v 1e-14 1e-14
)
Tests/Data/Parabolic/LiquidFlow/InclinedMeshElements/Inclined2DMesh/geometry_bottom.vtu 0 → 100644
+ 24
− 0
View file @ f1e1ad10
<?xml version="1.0"?>
<VTKFile type="UnstructuredGrid" version="0.1" byte_order="LittleEndian" header_type="UInt32">
<UnstructuredGrid>
<Piece NumberOfPoints="11" NumberOfCells="10" >
<PointData>
<DataArray type="UInt64" Name="bulk_node_ids" format="appended" RangeMin="1" RangeMax="31" offset="0" />
</PointData>
<CellData>
<DataArray type="UInt64" Name="bulk_element_ids" format="appended" RangeMin="20" RangeMax="468" offset="124" />
</CellData>
<Points>
<DataArray type="Float64" Name="Points" NumberOfComponents="3" format="appended" RangeMin="1" RangeMax="1.1180339887" offset="236" />
</Points>
<Cells>
<DataArray type="Int64" Name="connectivity" format="appended" RangeMin="" RangeMax="" offset="596" />
<DataArray type="Int64" Name="offsets" format="appended" RangeMin="" RangeMax="" offset="816" />
<DataArray type="UInt8" Name="types" format="appended" RangeMin="" RangeMax="" offset="928" />
</Cells>
</Piece>
</UnstructuredGrid>
<AppendedData encoding="base64">
_WAAAAAIAAAAAAAAAHwAAAAAAAAAeAAAAAAAAAB0AAAAAAAAAHAAAAAAAAAAbAAAAAAAAABkAAAAAAAAAGAAAAAAAAAAXAAAAAAAAABoAAAAAAAAAAQAAAAAAAAA=UAAAANQBAAAAAAAAygAAAAAAAAA2AAAAAAAAAJYBAAAAAAAAFAAAAAAAAADPAAAAAAAAAK8BAAAAAAAASAAAAAAAAAAOAQAAAAAAACEAAAAAAAAACAEAAAAAAAAAAOA/AAAAAAAA4D+uTFjoerbrvwAAAAAAAOA/HIaZmZmZ2T+uTFjoerbrvwAAAAAAAOA/JQwzMzMz0z+uTFjoerbrvwAAAAAAAOA/giSZmZmZyT+uTFjoerbrvwAAAAAAAOA/RmGYmZmZuT+uTFjoerbrvwAAAAAAAOA/+P///381eL2uTFjoerbrvwAAAAAAAOA/sg6amZmZyb+uTFjoerbrvwAAAAAAAOA/QVozMzMz07+uTFjoerbrvwAAAAAAAOA/GK2ZmZmZ2b+uTFjoerbrvwAAAAAAAOA/CtKamZmZub+uTFjoerbrvwAAAAAAAOA/AAAAAAAA4L+uTFjoerbrvw==oAAAAAoAAAAAAAAACAAAAAAAAAAIAAAAAAAAAAcAAAAAAAAABwAAAAAAAAAGAAAAAAAAAAYAAAAAAAAACQAAAAAAAAAJAAAAAAAAAAUAAAAAAAAABQAAAAAAAAAEAAAAAAAAAAQAAAAAAAAAAwAAAAAAAAADAAAAAAAAAAIAAAAAAAAAAgAAAAAAAAABAAAAAAAAAAEAAAAAAAAAAAAAAAAAAAA=UAAAAAIAAAAAAAAABAAAAAAAAAAGAAAAAAAAAAgAAAAAAAAACgAAAAAAAAAMAAAAAAAAAA4AAAAAAAAAEAAAAAAAAAASAAAAAAAAABQAAAAAAAAACgAAAAMDAwMDAwMDAwM=
</AppendedData>
</VTKFile>
Tests/Data/Parabolic/LiquidFlow/InclinedMeshElements/Inclined2DMesh/geometry_left.vtu 0 → 100644
+ 24
− 0
View file @ f1e1ad10
<?xml version="1.0"?>
<VTKFile type="UnstructuredGrid" version="0.1" byte_order="LittleEndian" header_type="UInt32">
<UnstructuredGrid>
<Piece NumberOfPoints="11" NumberOfCells="10" >
<PointData>
<DataArray type="UInt64" Name="bulk_node_ids" format="appended" RangeMin="0" RangeMax="59" offset="0" />
</PointData>
<CellData>
<DataArray type="UInt64" Name="bulk_element_ids" format="appended" RangeMin="52" RangeMax="461" offset="124" />
</CellData>
<Points>
<DataArray type="Float64" Name="Points" NumberOfComponents="3" format="appended" RangeMin="1" RangeMax="1.1180339887" offset="236" />
</Points>
<Cells>
<DataArray type="Int64" Name="connectivity" format="appended" RangeMin="" RangeMax="" offset="596" />
<DataArray type="Int64" Name="offsets" format="appended" RangeMin="" RangeMax="" offset="816" />
<DataArray type="UInt8" Name="types" format="appended" RangeMin="" RangeMax="" offset="928" />
</Cells>
</Piece>
</UnstructuredGrid>
<AppendedData encoding="base64">
_WAAAADMAAAAAAAAANQAAAAAAAAA2AAAAAAAAADcAAAAAAAAAOAAAAAAAAAA5AAAAAAAAADoAAAAAAAAANAAAAAAAAAA7AAAAAAAAAAMAAAAAAAAAAAAAAAAAAAA=UAAAAMwBAAAAAAAAFAEAAAAAAAB4AAAAAAAAAKMBAAAAAAAAjAAAAAAAAAA0AAAAAAAAAKIBAAAAAAAAdwAAAAAAAAAVAQAAAAAAAM0BAAAAAAAACAEAAAAAAAAAAOC/GK2ZmZmZ2T+uTFjoerbrPwAAAAAAAOC/sg6amZmZyT+uTFjoerbrPwAAAAAAAOC/CtKamZmZuT+uTFjoerbrPwAAAAAAAOC/+P///381eD2uTFjoerbrPwAAAAAAAOC/RmGYmZmZub+uTFjoerbrPwAAAAAAAOC/giSZmZmZyb+uTFjoerbrPwAAAAAAAOC/JQwzMzMz07+uTFjoerbrPwAAAAAAAOC/QVozMzMz0z+uTFjoerbrPwAAAAAAAOC/HIaZmZmZ2b+uTFjoerbrPwAAAAAAAOC/AAAAAAAA4D+uTFjoerbrPwAAAAAAAOC/AAAAAAAA4L+uTFjoerbrPw==oAAAAAoAAAAAAAAACAAAAAAAAAAIAAAAAAAAAAYAAAAAAAAABgAAAAAAAAAFAAAAAAAAAAUAAAAAAAAABAAAAAAAAAAEAAAAAAAAAAMAAAAAAAAAAwAAAAAAAAACAAAAAAAAAAIAAAAAAAAAAQAAAAAAAAABAAAAAAAAAAcAAAAAAAAABwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAACQAAAAAAAAA=UAAAAAIAAAAAAAAABAAAAAAAAAAGAAAAAAAAAAgAAAAAAAAACgAAAAAAAAAMAAAAAAAAAA4AAAAAAAAAEAAAAAAAAAASAAAAAAAAABQAAAAAAAAACgAAAAMDAwMDAwMDAwM=
</AppendedData>
</VTKFile>
Tests/Data/Parabolic/LiquidFlow/InclinedMeshElements/Inclined2DMesh/geometry_right.vtu 0 → 100644
+ 24
− 0
View file @ f1e1ad10
<?xml version="1.0"?>
<VTKFile type="UnstructuredGrid" version="0.1" byte_order="LittleEndian" header_type="UInt32">
<UnstructuredGrid>
<Piece NumberOfPoints="11" NumberOfCells="10" >
<PointData>
<DataArray type="UInt64" Name="bulk_node_ids" format="appended" RangeMin="1" RangeMax="31" offset="0" />
</PointData>
<CellData>
<DataArray type="UInt64" Name="bulk_element_ids" format="appended" RangeMin="20" RangeMax="468" offset="124" />
</CellData>
<Points>
<DataArray type="Float64" Name="Points" NumberOfComponents="3" format="appended" RangeMin="1" RangeMax="1.1180339887" offset="236" />
</Points>
<Cells>
<DataArray type="Int64" Name="connectivity" format="appended" RangeMin="" RangeMax="" offset="596" />
<DataArray type="Int64" Name="offsets" format="appended" RangeMin="" RangeMax="" offset="816" />
<DataArray type="UInt8" Name="types" format="appended" RangeMin="" RangeMax="" offset="928" />
</Cells>
</Piece>
</UnstructuredGrid>
<AppendedData encoding="base64">
_WAAAAAIAAAAAAAAAHwAAAAAAAAAeAAAAAAAAAB0AAAAAAAAAHAAAAAAAAAAbAAAAAAAAABkAAAAAAAAAGAAAAAAAAAAXAAAAAAAAABoAAAAAAAAAAQAAAAAAAAA=UAAAANQBAAAAAAAAygAAAAAAAAA2AAAAAAAAAJYBAAAAAAAAFAAAAAAAAADPAAAAAAAAAK8BAAAAAAAASAAAAAAAAAAOAQAAAAAAACEAAAAAAAAACAEAAAAAAAAAAOA/AAAAAAAA4D+uTFjoerbrvwAAAAAAAOA/HIaZmZmZ2T+uTFjoerbrvwAAAAAAAOA/JQwzMzMz0z+uTFjoerbrvwAAAAAAAOA/giSZmZmZyT+uTFjoerbrvwAAAAAAAOA/RmGYmZmZuT+uTFjoerbrvwAAAAAAAOA/+P///381eL2uTFjoerbrvwAAAAAAAOA/sg6amZmZyb+uTFjoerbrvwAAAAAAAOA/QVozMzMz07+uTFjoerbrvwAAAAAAAOA/GK2ZmZmZ2b+uTFjoerbrvwAAAAAAAOA/CtKamZmZub+uTFjoerbrvwAAAAAAAOA/AAAAAAAA4L+uTFjoerbrvw==oAAAAAoAAAAAAAAACAAAAAAAAAAIAAAAAAAAAAcAAAAAAAAABwAAAAAAAAAGAAAAAAAAAAYAAAAAAAAACQAAAAAAAAAJAAAAAAAAAAUAAAAAAAAABQAAAAAAAAAEAAAAAAAAAAQAAAAAAAAAAwAAAAAAAAADAAAAAAAAAAIAAAAAAAAAAgAAAAAAAAABAAAAAAAAAAEAAAAAAAAAAAAAAAAAAAA=UAAAAAIAAAAAAAAABAAAAAAAAAAGAAAAAAAAAAgAAAAAAAAACgAAAAAAAAAMAAAAAAAAAA4AAAAAAAAAEAAAAAAAAAASAAAAAAAAABQAAAAAAAAACgAAAAMDAwMDAwMDAwM=
</AppendedData>
</VTKFile>
Tests/Data/Parabolic/LiquidFlow/InclinedMeshElements/Inclined2DMesh/geometry_top.vtu 0 → 100644
+ 24
− 0
View file @ f1e1ad10
<?xml version="1.0"?>
<VTKFile type="UnstructuredGrid" version="0.1" byte_order="LittleEndian" header_type="UInt32">
<UnstructuredGrid>
<Piece NumberOfPoints="11" NumberOfCells="10" >
<PointData>
<DataArray type="UInt64" Name="bulk_node_ids" format="appended" RangeMin="0" RangeMax="59" offset="0" />
</PointData>
<CellData>
<DataArray type="UInt64" Name="bulk_element_ids" format="appended" RangeMin="52" RangeMax="461" offset="124" />
</CellData>
<Points>
<DataArray type="Float64" Name="Points" NumberOfComponents="3" format="appended" RangeMin="1" RangeMax="1.1180339887" offset="236" />
</Points>
<Cells>
<DataArray type="Int64" Name="connectivity" format="appended" RangeMin="" RangeMax="" offset="596" />
<DataArray type="Int64" Name="offsets" format="appended" RangeMin="" RangeMax="" offset="816" />
<DataArray type="UInt8" Name="types" format="appended" RangeMin="" RangeMax="" offset="928" />
</Cells>
</Piece>
</UnstructuredGrid>
<AppendedData encoding="base64">
_WAAAADMAAAAAAAAANQAAAAAAAAA2AAAAAAAAADcAAAAAAAAAOAAAAAAAAAA5AAAAAAAAADoAAAAAAAAANAAAAAAAAAA7AAAAAAAAAAMAAAAAAAAAAAAAAAAAAAA=UAAAAMwBAAAAAAAAFAEAAAAAAAB4AAAAAAAAAKMBAAAAAAAAjAAAAAAAAAA0AAAAAAAAAKIBAAAAAAAAdwAAAAAAAAAVAQAAAAAAAM0BAAAAAAAACAEAAAAAAAAAAOC/GK2ZmZmZ2T+uTFjoerbrPwAAAAAAAOC/sg6amZmZyT+uTFjoerbrPwAAAAAAAOC/CtKamZmZuT+uTFjoerbrPwAAAAAAAOC/+P///381eD2uTFjoerbrPwAAAAAAAOC/RmGYmZmZub+uTFjoerbrPwAAAAAAAOC/giSZmZmZyb+uTFjoerbrPwAAAAAAAOC/JQwzMzMz07+uTFjoerbrPwAAAAAAAOC/QVozMzMz0z+uTFjoerbrPwAAAAAAAOC/HIaZmZmZ2b+uTFjoerbrPwAAAAAAAOC/AAAAAAAA4D+uTFjoerbrPwAAAAAAAOC/AAAAAAAA4L+uTFjoerbrPw==oAAAAAoAAAAAAAAACAAAAAAAAAAIAAAAAAAAAAYAAAAAAAAABgAAAAAAAAAFAAAAAAAAAAUAAAAAAAAABAAAAAAAAAAEAAAAAAAAAAMAAAAAAAAAAwAAAAAAAAACAAAAAAAAAAIAAAAAAAAAAQAAAAAAAAABAAAAAAAAAAcAAAAAAAAABwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAACQAAAAAAAAA=UAAAAAIAAAAAAAAABAAAAAAAAAAGAAAAAAAAAAgAAAAAAAAACgAAAAAAAAAMAAAAAAAAAA4AAAAAAAAAEAAAAAAAAAASAAAAAAAAABQAAAAAAAAACgAAAAMDAwMDAwMDAwM=
</AppendedData>
</VTKFile>
Tests/Data/Parabolic/LiquidFlow/InclinedMeshElements/Inclined2DMesh/hydrostatic_flow_in_inclined_2D_plane.prj 0 → 100644
+ 159
− 0
View file @ f1e1ad10
<?xml version="1.0" encoding="ISO-8859-1"?>
<OpenGeoSysProject>
<mesh>inclined_2D_mesh.vtu</mesh>
<geometry>plane_r.gml</geometry>
<processes>
<process>
<name>LiquidFlow</name>
<type>LIQUID_FLOW</type>
<integration_order>2</integration_order>
<process_variables>
<process_variable>pressure</process_variable>
</process_variables>
<specific_body_force>0 0 -9.8</specific_body_force>
<secondary_variables>
<secondary_variable internal_name="darcy_velocity" output_name="v"/>
</secondary_variables>
</process>
</processes>
<media>
<medium>
<phases>
<phase>
<type>AqueousLiquid</type>
<properties>
<property>
<name>viscosity</name>
<type>Constant</type>
<value> 1.e-3 </value>
</property>
<property>
<name>density</name>
<type>Constant</type>
<value> 1.e3 </value>
</property>
</properties>
</phase>
</phases>
<properties>
<property>
<name>permeability</name>
<type>Parameter</type>
<parameter_name>k</parameter_name>
</property>
<property>
<name>reference_temperature</name>
<type>Constant</type>
<value>293.15</value>
</property>
<property>
<name>porosity</name>
<type>Constant</type>
<value>0.2</value>
</property>
<property>
<name>storage</name>
<type>Constant</type>
<value> 0.0e-10 </value>
</property>
</properties>
</medium>
</media>
<time_loop>
<processes>
<process ref="LiquidFlow">
<nonlinear_solver>basic_picard</nonlinear_solver>
<convergence_criterion>
<type>DeltaX</type>
<norm_type>NORM2</norm_type>
<abstol>1.e-6</abstol>
</convergence_criterion>
<time_discretization>
<type>BackwardEuler</type>
</time_discretization>
<time_stepping>
<type>FixedTimeStepping</type>
<t_initial> 0.0 </t_initial>
<t_end> 1 </t_end>
<timesteps>
<pair>
<repeat>1</repeat>
<delta_t>1</delta_t>
</pair>
</timesteps>
</time_stepping>
</process>
</processes>
<output>
<type>VTK</type>
<prefix>hydrostatic_flow_in_inclined_2D_plane</prefix>
<timesteps>
<pair>
<repeat> 1 </repeat>
<each_steps> 1 </each_steps>
</pair>
</timesteps>
<variables>
<variable> pressure </variable>
<variable> v </variable>
</variables>
<suffix>_ts_t_{:time}</suffix>
</output>
</time_loop>
<parameters>
<parameter>
<name>k</name>
<type>Constant</type>
<values>1.e-12 0.0 0.0 5.e-12 </values>
</parameter>
<parameter>
<name>p0</name>
<type>Constant</type>
<value>0</value>
</parameter>
<parameter>
<name>p_top</name>
<type>Constant</type>
<value>1.0e+5</value>
</parameter>
</parameters>
<process_variables>
<process_variable>
<name>pressure</name>
<components>1</components>
<order>1</order>
<initial_condition>p0</initial_condition>
<boundary_conditions>
<boundary_condition>
<type>Dirichlet</type>
<mesh>geometry_top</mesh>
<parameter>p_top</parameter>
</boundary_condition>
</boundary_conditions>
</process_variable>
</process_variables>
<nonlinear_solvers>
<nonlinear_solver>
<name>basic_picard</name>
<type>Picard</type>
<max_iter>10</max_iter>
<linear_solver>general_linear_solver</linear_solver>
</nonlinear_solver>
</nonlinear_solvers>
<linear_solvers>
<linear_solver>
<name>general_linear_solver</name>
<lis>-i cg -p jacobi -tol 1e-20 -maxiter 10000</lis>
<eigen>
<solver_type>CG</solver_type>
<precon_type>DIAGONAL</precon_type>
<max_iteration_step>10000</max_iteration_step>
<error_tolerance>1e-20</error_tolerance>
</eigen>
<petsc>
<prefix>lf</prefix>
<parameters>-lf_ksp_type cg -lf_pc_type bjacobi -lf_ksp_rtol 1e-16 -lf_ksp_max_it 10000</parameters>
</petsc>
</linear_solver>
</linear_solvers>
</OpenGeoSysProject>
Tests/Data/Parabolic/LiquidFlow/InclinedMeshElements/Inclined2DMesh/plane_r.gml 0 → 100644
+ 22
− 0
View file @ f1e1ad10
<?xml version="1.0" encoding="ISO-8859-1"?>
<?xml-stylesheet type="text/xsl" href="OpenGeoSysGLI.xsl"?>
<OpenGeoSysGLI xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:ogs="http://www.opengeosys.org">
<name>geometry</name>
<points>
<point id="0" x="-50" y="-50" z="86.60254037844386"/>
<point id="1" x="50" y="-50" z="-86.60254037844386"/>
<point id="2" x="50" y="50" z="-86.60254037844386"/>
<point id="3" x="-50" y="50" z="86.60254037844386"/>
</points>
<polylines>
<polyline id="0" name="top">
<pnt>0</pnt>
<pnt>3</pnt>
</polyline>
<polyline id="0" name="bottom">
<pnt>1</pnt>
<pnt>2</pnt>
</polyline>
</polylines>
</OpenGeoSysGLI>
Tests/Data/Parabolic/LiquidFlow/InclinedMeshElements/Inclined2DMesh/transient_flow_in_inclined_2D_plane.prj 0 → 100644
+ 177
− 0
View file @ f1e1ad10
<?xml version="1.0" encoding="ISO-8859-1"?>
<OpenGeoSysProject>
<mesh>inclined_2D_mesh.vtu</mesh>
<geometry>plane_r.gml</geometry>
<processes>
<process>
<name>LiquidFlow</name>
<type>LIQUID_FLOW</type>
<integration_order>2</integration_order>
<process_variables>
<process_variable>pressure</process_variable>
</process_variables>
<specific_body_force>0 0 -9.8</specific_body_force>
<secondary_variables>
<secondary_variable internal_name="darcy_velocity" output_name="v"/>
</secondary_variables>
</process>
</processes>
<media>
<medium>
<phases>
<phase>
<type>AqueousLiquid</type>
<properties>
<property>
<name>viscosity</name>
<type>Constant</type>
<value> 1.e-3 </value>
</property>
<property>
<name>density</name>
<type>Linear</type>
<reference_value>1000.0</reference_value>
<independent_variable>
<variable_name>phase_pressure
</variable_name>
<reference_condition>1e5
</reference_condition>
<slope>4.6511627906976743356e-10
</slope>
</independent_variable>
</property>
</properties>
</phase>
</phases>
<properties>
<property>
<name>permeability</name>
<type>Parameter</type>
<parameter_name>k</parameter_name>
</property>
<property>
<name>reference_temperature</name>
<type>Constant</type>
<value>293.15</value>
</property>
<property>
<name>porosity</name>
<type>Constant</type>
<value>0.2</value>
</property>
<property>
<name>storage</name>
<type>Constant</type>
<value> 1.0e-10 </value>
</property>
</properties>
</medium>
</media>
<time_loop>
<processes>
<process ref="LiquidFlow">
<nonlinear_solver>basic_picard</nonlinear_solver>
<convergence_criterion>
<type>DeltaX</type>
<norm_type>NORM2</norm_type>
<abstol>1.e-6</abstol>
</convergence_criterion>
<time_discretization>
<type>BackwardEuler</type>
</time_discretization>
<time_stepping>
<type>FixedTimeStepping</type>
<t_initial> 0.0 </t_initial>
<t_end> 864000 </t_end>
<timesteps>
<pair>
<repeat>10</repeat>
<delta_t>86400</delta_t>
</pair>
</timesteps>
</time_stepping>
</process>
</processes>
<output>
<type>VTK</type>
<prefix>transient_flow_in_inclined_2D_plane</prefix>
<timesteps>
<pair>
<repeat> 5 </repeat>
<each_steps> 2 </each_steps>
</pair>
</timesteps>
<variables>
<variable> pressure </variable>
<variable> v </variable>
</variables>
<suffix>_ts_t_{:time}</suffix>
</output>
</time_loop>
<parameters>
<parameter>
<name>k</name>
<type>Constant</type>
<values>1.e-12 0.0 0.0 5.e-12 </values>
</parameter>
<parameter>
<name>p0</name>
<type>Constant</type>
<value>0</value>
</parameter>
<parameter>
<name>p_top</name>
<type>Constant</type>
<value>1.0e+5</value>
</parameter>
<parameter>
<name>p_bottom</name>
<type>Constant</type>
<value>1.0e+6</value>
</parameter>
</parameters>
<process_variables>
<process_variable>
<name>pressure</name>
<components>1</components>
<order>1</order>
<initial_condition>p0</initial_condition>
<boundary_conditions>
<boundary_condition>
<type>Dirichlet</type>
<mesh>geometry_top</mesh>
<parameter>p_top</parameter>
</boundary_condition>
<boundary_condition>
<type>Dirichlet</type>
<mesh>geometry_bottom</mesh>
<parameter>p_bottom</parameter>
</boundary_condition>
</boundary_conditions>
</process_variable>
</process_variables>
<nonlinear_solvers>
<nonlinear_solver>
<name>basic_picard</name>
<type>Picard</type>
<max_iter>10</max_iter>
<linear_solver>general_linear_solver</linear_solver>
</nonlinear_solver>
</nonlinear_solvers>
<linear_solvers>
<linear_solver>
<name>general_linear_solver</name>
<lis>-i cg -p jacobi -tol 1e-20 -maxiter 10000</lis>
<eigen>
<solver_type>CG</solver_type>
<precon_type>DIAGONAL</precon_type>
<max_iteration_step>10000</max_iteration_step>
<error_tolerance>1e-20</error_tolerance>
</eigen>
<petsc>
<prefix>lf</prefix>
<parameters>-lf_ksp_type cg -lf_pc_type bjacobi -lf_ksp_rtol 1e-16 -lf_ksp_max_it 10000</parameters>
</petsc>
</linear_solver>
</linear_solvers>
</OpenGeoSysProject>
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