diff --git a/ProcessLib/LIE/SmallDeformation/Tests.cmake b/ProcessLib/LIE/SmallDeformation/Tests.cmake
index 0dffe32ccd639db97c669f88238eeb3d1440f0f0..50924d6ef4482ed101d106382c942903afde1005 100644
--- a/ProcessLib/LIE/SmallDeformation/Tests.cmake
+++ b/ProcessLib/LIE/SmallDeformation/Tests.cmake
@@ -152,3 +152,7 @@ AddTest(
expected_sfrac_pcs_0_ts_1_t_1.000000.vtu sfrac_pcs_0_ts_1_t_1.000000.vtu displacement_jump4 displacement_jump4 1e-16 1e-16
expected_sfrac_pcs_0_ts_1_t_1.000000.vtu sfrac_pcs_0_ts_1_t_1.000000.vtu f_stress_n f_stress_n 1e-6 5e-6
)
+
+if (NOT OGS_USE_MPI)
+ OgsTest(PROJECTFILE LIE/Mechanics/elastic_push_pull_two_fractures.prj RUNTIME 1)
+endif()
diff --git a/Tests/Data/LIE/Mechanics/elastic_push_pull_two_fractures.prj b/Tests/Data/LIE/Mechanics/elastic_push_pull_two_fractures.prj
new file mode 100644
index 0000000000000000000000000000000000000000..a181c4e800bde3647097844412d642beb48cd6a4
--- /dev/null
+++ b/Tests/Data/LIE/Mechanics/elastic_push_pull_two_fractures.prj
@@ -0,0 +1,305 @@
+<?xml version="1.0" encoding="ISO-8859-1"?>
+<OpenGeoSysProject>
+ <mesh>five_element_two_fractures.vtu</mesh>
+ <geometry>five_element_two_fractures.gml</geometry>
+ <processes>
+ <process>
+ <name>SD</name>
+ <type>SMALL_DEFORMATION_WITH_LIE</type>
+ <integration_order>2</integration_order>
+ <dimension>2</dimension>
+ <process_variables>
+ <process_variable>displacement</process_variable>
+ <process_variable>displacement_jump1</process_variable>
+ <process_variable>displacement_jump2</process_variable>
+ </process_variables>
+ <constitutive_relation>
+ <type>LinearElasticIsotropic</type>
+ <youngs_modulus>E</youngs_modulus>
+ <poissons_ratio>nu</poissons_ratio>
+ </constitutive_relation>
+ <fracture_model>
+ <type>LinearElasticIsotropic</type>
+ <normal_stiffness>Kn</normal_stiffness>
+ <shear_stiffness>Ks</shear_stiffness>
+ <penalty_aperture_cutoff>1e-5</penalty_aperture_cutoff>
+ <tension_cutoff>0</tension_cutoff>
+ </fracture_model>
+ <fracture_properties>
+ <material_id>0</material_id>
+ <initial_aperture>aperture0</initial_aperture>
+ </fracture_properties>
+ <fracture_properties>
+ <material_id>1</material_id>
+ <initial_aperture>aperture0</initial_aperture>
+ </fracture_properties>
+ <secondary_variables>
+ <secondary_variable internal_name="sigma_xx" output_name="sigma_xx"/>
+ <secondary_variable internal_name="sigma_yy" output_name="sigma_yy"/>
+ <secondary_variable internal_name="sigma_xy" output_name="sigma_xy"/>
+ </secondary_variables>
+ </process>
+ </processes>
+ <time_loop>
+ <processes>
+ <process ref="SD">
+ <nonlinear_solver>basic_newton</nonlinear_solver>
+ <convergence_criterion>
+ <type>DeltaX</type>
+ <norm_type>NORM2</norm_type>
+ <abstol>1e-14</abstol>
+ </convergence_criterion>
+ <time_discretization>
+ <type>BackwardEuler</type>
+ </time_discretization>
+ <time_stepping>
+ <type>FixedTimeStepping</type>
+ <t_initial>0</t_initial>
+ <t_end>10</t_end>
+ <timesteps>
+ <pair>
+ <repeat>6</repeat>
+ <delta_t>0.5</delta_t>
+ </pair>
+ </timesteps>
+ </time_stepping>
+ </process>
+ </processes>
+ <output>
+ <type>VTK</type>
+ <prefix>elastic_push_pull_two_fractures</prefix>
+ <suffix>_t_{:gtime}</suffix>
+ <timesteps>
+ <pair>
+ <repeat>100</repeat>
+ <each_steps>1</each_steps>
+ </pair>
+ </timesteps>
+ <variables>
+ <variable>displacement</variable>
+ <variable>displacement_jump1</variable>
+ <variable>displacement_jump2</variable>
+ <variable>sigma_xx</variable>
+ <variable>sigma_yy</variable>
+ <variable>sigma_xy</variable>
+ </variables>
+ </output>
+ </time_loop>
+ <parameters>
+ <parameter>
+ <name>E</name>
+ <type>Constant</type>
+ <value>200e9</value>
+ </parameter>
+ <parameter>
+ <name>nu</name>
+ <type>Constant</type>
+ <value>0</value>
+ </parameter>
+ <!-- Fracture properties -->
+ <parameter>
+ <name>Kn</name>
+ <type>Constant</type>
+ <value>20e9</value>
+ </parameter>
+ <parameter>
+ <name>Ks</name>
+ <type>Constant</type>
+ <value>20e9</value>
+ </parameter>
+ <parameter>
+ <name>friction_angle</name>
+ <type>Constant</type>
+ <value>22</value>
+ </parameter>
+ <parameter>
+ <name>dilatancy_angle</name>
+ <type>Constant</type>
+ <value>10</value>
+ </parameter>
+ <parameter>
+ <name>cohesion</name>
+ <type>Constant</type>
+ <value>1e3</value>
+ </parameter>
+ <parameter>
+ <name>displacement0</name>
+ <type>Constant</type>
+ <values>0 0</values>
+ </parameter>
+ <parameter>
+ <name>aperture0</name>
+ <type>Constant</type>
+ <value>1e-5</value>
+ </parameter>
+ <parameter>
+ <name>force</name>
+ <type>Constant</type>
+ <value>1e5</value>
+ </parameter>
+ <parameter>
+ <name>push_pull_right</name>
+ <type>CurveScaled</type>
+ <curve>time_ramp_right</curve>
+ <parameter>force</parameter>
+ </parameter>
+ <parameter>
+ <name>push_pull_top</name>
+ <type>CurveScaled</type>
+ <curve>time_ramp_top</curve>
+ <parameter>force</parameter>
+ </parameter>
+ <parameter>
+ <name>zero_u</name>
+ <type>Constant</type>
+ <value>0</value>
+ </parameter>
+ </parameters>
+ <curves>
+ <curve>
+ <name>time_ramp_right</name>
+ <coords>0 1 3 4 5 7 8 9 10</coords>
+ <values>0 1 -1 0 0 0 0 1 0</values>
+ </curve>
+ <curve>
+ <name>time_ramp_top</name>
+ <coords>0 1 3 4 5 7 8 9 10</coords>
+ <values>0 0 0 0 1 -1 0 1 0</values>
+ </curve>
+ </curves>
+ <process_variables>
+ <process_variable>
+ <name>displacement</name>
+ <components>2</components>
+ <order>1</order>
+ <initial_condition>displacement0</initial_condition>
+ <boundary_conditions>
+ <boundary_condition>
+ <geometrical_set>five_element_two_fractures</geometrical_set>
+ <geometry>PLY_LEFT</geometry>
+ <type>Dirichlet</type>
+ <component>0</component>
+ <parameter>zero_u</parameter>
+ </boundary_condition>
+ <boundary_condition>
+ <geometrical_set>five_element_two_fractures</geometrical_set>
+ <geometry>PLY_BOTTOM</geometry>
+ <type>Dirichlet</type>
+ <component>1</component>
+ <parameter>zero_u</parameter>
+ </boundary_condition>
+ <boundary_condition>
+ <geometrical_set>five_element_two_fractures</geometrical_set>
+ <geometry>PLY_RIGHT</geometry>
+ <type>Neumann</type>
+ <component>0</component>
+ <parameter>push_pull_right</parameter>
+ </boundary_condition>
+ <boundary_condition>
+ <geometrical_set>five_element_two_fractures</geometrical_set>
+ <geometry>PLY_TOP</geometry>
+ <type>Neumann</type>
+ <component>1</component>
+ <parameter>push_pull_top</parameter>
+ </boundary_condition>
+ </boundary_conditions>
+ </process_variable>
+ <process_variable>
+ <name>displacement_jump1</name>
+ <components>2</components>
+ <order>1</order>
+ <initial_condition>displacement0</initial_condition>
+ <boundary_conditions>
+ <boundary_condition>
+ <geometrical_set>five_element_two_fractures</geometrical_set>
+ <geometry>FRACTURE1_LEFT</geometry>
+ <type>Dirichlet</type>
+ <component>0</component>
+ <parameter>zero_u</parameter>
+ </boundary_condition>
+ </boundary_conditions>
+ </process_variable>
+ <process_variable>
+ <name>displacement_jump2</name>
+ <components>2</components>
+ <order>1</order>
+ <initial_condition>displacement0</initial_condition>
+ <boundary_conditions>
+ <boundary_condition>
+ <geometrical_set>five_element_two_fractures</geometrical_set>
+ <geometry>FRACTURE2_LEFT</geometry>
+ <type>Dirichlet</type>
+ <component>0</component>
+ <parameter>zero_u</parameter>
+ </boundary_condition>
+ </boundary_conditions>
+ </process_variable>
+ </process_variables>
+ <nonlinear_solvers>
+ <nonlinear_solver>
+ <name>basic_newton</name>
+ <type>Newton</type>
+ <max_iter>25</max_iter>
+ <linear_solver>general_linear_solver</linear_solver>
+ </nonlinear_solver>
+ </nonlinear_solvers>
+ <linear_solvers>
+ <linear_solver>
+ <name>general_linear_solver</name>
+ <eigen>
+ <solver_type>SparseLU</solver_type>
+ <scaling>1</scaling>
+ </eigen>
+ </linear_solver>
+ </linear_solvers>
+ <test_definition>
+ <vtkdiff>
+ <regex>elastic_push_pull_two_fractures_t_.*.vtu</regex>
+ <field>displacement</field>
+ <absolute_tolerance>1e-16</absolute_tolerance>
+ <relative_tolerance>0</relative_tolerance>
+ </vtkdiff>
+ <vtkdiff>
+ <regex>elastic_push_pull_two_fractures_t_.*.vtu</regex>
+ <field>displacement_jump1</field>
+ <absolute_tolerance>1e-16</absolute_tolerance>
+ <relative_tolerance>0</relative_tolerance>
+ </vtkdiff>
+ <vtkdiff>
+ <regex>elastic_push_pull_two_fractures_t_.*.vtu</regex>
+ <field>displacement_jump2</field>
+ <absolute_tolerance>1e-16</absolute_tolerance>
+ <relative_tolerance>0</relative_tolerance>
+ </vtkdiff>
+ <vtkdiff>
+ <regex>elastic_push_pull_two_fractures_t_.*.vtu</regex>
+ <field>sigma_xx</field>
+ <absolute_tolerance>1e-10</absolute_tolerance>
+ <relative_tolerance>0</relative_tolerance>
+ </vtkdiff>
+ <vtkdiff>
+ <regex>elastic_push_pull_two_fractures_t_.*.vtu</regex>
+ <field>sigma_yy</field>
+ <absolute_tolerance>1e-11</absolute_tolerance>
+ <relative_tolerance>0</relative_tolerance>
+ </vtkdiff>
+ <vtkdiff>
+ <regex>elastic_push_pull_two_fractures_t_.*.vtu</regex>
+ <field>sigma_xy</field>
+ <absolute_tolerance>1e-10</absolute_tolerance>
+ <relative_tolerance>0</relative_tolerance>
+ </vtkdiff>
+ <vtkdiff>
+ <regex>elastic_push_pull_two_fractures_t_.*.vtu</regex>
+ <field>f_stress_n</field>
+ <absolute_tolerance>1e-16</absolute_tolerance>
+ <relative_tolerance>0</relative_tolerance>
+ </vtkdiff>
+ <vtkdiff>
+ <regex>elastic_push_pull_two_fractures_t_.*.vtu</regex>
+ <field>f_stress_s</field>
+ <absolute_tolerance>1e-11</absolute_tolerance>
+ <relative_tolerance>0</relative_tolerance>
+ </vtkdiff>
+ </test_definition>
+</OpenGeoSysProject>
diff --git a/Tests/Data/LIE/Mechanics/elastic_push_pull_two_fractures_t_0.vtu b/Tests/Data/LIE/Mechanics/elastic_push_pull_two_fractures_t_0.vtu
new file mode 100644
index 0000000000000000000000000000000000000000..86f473aa04c18976edf71dc661e6ff5e85e3612e
--- /dev/null
+++ b/Tests/Data/LIE/Mechanics/elastic_push_pull_two_fractures_t_0.vtu
@@ -0,0 +1,47 @@
+<?xml version="1.0"?>
+<VTKFile type="UnstructuredGrid" version="1.0" byte_order="LittleEndian" header_type="UInt64" compressor="vtkZLibDataCompressor">
+ <UnstructuredGrid>
+ <FieldData>
+ <DataArray type="Int8" Name="OGS_VERSION" NumberOfTuples="20" format="appended" RangeMin="45" RangeMax="103" offset="0" />
+ </FieldData>
+ <Piece NumberOfPoints="8" NumberOfCells="5" >
+ <PointData>
+ <DataArray type="Float64" Name="displacement" NumberOfComponents="2" format="appended" RangeMin="0" RangeMax="0" offset="84" />
+ <DataArray type="Float64" Name="displacement_jump1" NumberOfComponents="2" format="appended" RangeMin="0" RangeMax="0" offset="144" />
+ <DataArray type="Float64" Name="displacement_jump2" NumberOfComponents="2" format="appended" RangeMin="0" RangeMax="0" offset="204" />
+ <DataArray type="Float64" Name="sigma_xx" format="appended" RangeMin="0" RangeMax="0" offset="264" />
+ <DataArray type="Float64" Name="sigma_xy" format="appended" RangeMin="0" RangeMax="0" offset="324" />
+ <DataArray type="Float64" Name="sigma_yy" format="appended" RangeMin="0" RangeMax="0" offset="384" />
+ </PointData>
+ <CellData>
+ <DataArray type="Int32" Name="MaterialIDs" format="appended" RangeMin="0" RangeMax="2" offset="444" />
+ <DataArray type="Float64" Name="aperture" format="appended" RangeMin="0" RangeMax="1e-05" offset="512" />
+ <DataArray type="Float64" Name="f_stress_n" format="appended" RangeMin="0" RangeMax="0" offset="588" />
+ <DataArray type="Float64" Name="f_stress_s" format="appended" RangeMin="0" RangeMax="0" offset="648" />
+ <DataArray type="Float64" Name="levelset1" format="appended" RangeMin="-0.5" RangeMax="0.5" offset="708" />
+ <DataArray type="Float64" Name="levelset2" format="appended" RangeMin="-0.5" RangeMax="0.5" offset="776" />
+ <DataArray type="Float64" Name="strain_xx" format="appended" RangeMin="0" RangeMax="0" offset="844" />
+ <DataArray type="Float64" Name="strain_xy" format="appended" RangeMin="0" RangeMax="0" offset="904" />
+ <DataArray type="Float64" Name="strain_yy" format="appended" RangeMin="0" RangeMax="0" offset="964" />
+ <DataArray type="Float64" Name="strain_zz" format="appended" RangeMin="0" RangeMax="0" offset="1024" />
+ <DataArray type="Float64" Name="stress_xx" format="appended" RangeMin="0" RangeMax="0" offset="1084" />
+ <DataArray type="Float64" Name="stress_xy" format="appended" RangeMin="0" RangeMax="0" offset="1144" />
+ <DataArray type="Float64" Name="stress_yy" format="appended" RangeMin="0" RangeMax="0" offset="1204" />
+ <DataArray type="Float64" Name="stress_zz" format="appended" RangeMin="0" RangeMax="0" offset="1264" />
+ <DataArray type="Float64" Name="w_n" format="appended" RangeMin="0" RangeMax="0" offset="1324" />
+ <DataArray type="Float64" Name="w_s" format="appended" RangeMin="0" RangeMax="0" offset="1384" />
+ </CellData>
+ <Points>
+ <DataArray type="Float64" Name="Points" NumberOfComponents="3" format="appended" RangeMin="0" RangeMax="3.1622776602" offset="1444" />
+ </Points>
+ <Cells>
+ <DataArray type="Int64" Name="connectivity" format="appended" RangeMin="" RangeMax="" offset="1536" />
+ <DataArray type="Int64" Name="offsets" format="appended" RangeMin="" RangeMax="" offset="1640" />
+ <DataArray type="UInt8" Name="types" format="appended" RangeMin="" RangeMax="" offset="1716" />
+ </Cells>
+ </Piece>
+ </UnstructuredGrid>
+ <AppendedData encoding="base64">
+ _AQAAAAAAAAAAgAAAAAAAABQAAAAAAAAAHAAAAAAAAAA=eF4z0zPWM9I1NjHVTTdLMrBMTrE0NgAALlgEuQ==AQAAAAAAAAAAgAAAAAAAAIAAAAAAAAAADAAAAAAAAAA=eF5jYBhYAAAAgAABAQAAAAAAAAAAgAAAAAAAAIAAAAAAAAAADAAAAAAAAAA=eF5jYBhYAAAAgAABAQAAAAAAAAAAgAAAAAAAAIAAAAAAAAAADAAAAAAAAAA=eF5jYBhYAAAAgAABAQAAAAAAAAAAgAAAAAAAAEAAAAAAAAAADAAAAAAAAAA=eF5jYKAMAAAAQAABAQAAAAAAAAAAgAAAAAAAAEAAAAAAAAAADAAAAAAAAAA=eF5jYKAMAAAAQAABAQAAAAAAAAAAgAAAAAAAAEAAAAAAAAAADAAAAAAAAAA=eF5jYKAMAAAAQAABAQAAAAAAAAAAgAAAAAAAABQAAAAAAAAAEQAAAAAAAAA=eF5jYGBgYARiJiQMAABUAAg=AQAAAAAAAAAAgAAAAAAAACgAAAAAAAAAFgAAAAAAAAA=eF77mPG4Y+uPJ3YfoTQDDgAAbJcLJw==AQAAAAAAAAAAgAAAAAAAACgAAAAAAAAADAAAAAAAAAA=eF5jYCAOAAAAKAABAQAAAAAAAAAAgAAAAAAAACgAAAAAAAAADAAAAAAAAAA=eF5jYCAOAAAAKAABAQAAAAAAAAAAgAAAAAAAACgAAAAAAAAAEgAAAAAAAAA=eF5jYMAGHthD6f0wEQAjjgK/AQAAAAAAAAAAgAAAAAAAACgAAAAAAAAAEAAAAAAAAAA=eF5jYMAHHthD6f0ADZ4Cvw==AQAAAAAAAAAAgAAAAAAAACgAAAAAAAAADAAAAAAAAAA=eF5jYCAOAAAAKAABAQAAAAAAAAAAgAAAAAAAACgAAAAAAAAADAAAAAAAAAA=eF5jYCAOAAAAKAABAQAAAAAAAAAAgAAAAAAAACgAAAAAAAAADAAAAAAAAAA=eF5jYCAOAAAAKAABAQAAAAAAAAAAgAAAAAAAACgAAAAAAAAADAAAAAAAAAA=eF5jYCAOAAAAKAABAQAAAAAAAAAAgAAAAAAAACgAAAAAAAAADAAAAAAAAAA=eF5jYCAOAAAAKAABAQAAAAAAAAAAgAAAAAAAACgAAAAAAAAADAAAAAAAAAA=eF5jYCAOAAAAKAABAQAAAAAAAAAAgAAAAAAAACgAAAAAAAAADAAAAAAAAAA=eF5jYCAOAAAAKAABAQAAAAAAAAAAgAAAAAAAACgAAAAAAAAADAAAAAAAAAA=eF5jYCAOAAAAKAABAQAAAAAAAAAAgAAAAAAAACgAAAAAAAAADAAAAAAAAAA=eF5jYCAOAAAAKAABAQAAAAAAAAAAgAAAAAAAACgAAAAAAAAADAAAAAAAAAA=eF5jYCAOAAAAKAABAQAAAAAAAAAAgAAAAAAAAMAAAAAAAAAAIwAAAAAAAAA=eF5jYMAHPtgTEHfALo9LHN08GB+XPRwOqHyYOoQ4ALH4CCs=AQAAAAAAAAAAgAAAAAAAAIAAAAAAAAAAKwAAAAAAAAA=eF5jZYAAFijNBKWZGVABI5RmhdIw9TB1MD5MHmYOG5o6mDg7lAYADkAAOQ==AQAAAAAAAAAAgAAAAAAAACgAAAAAAAAAFgAAAAAAAAA=eF5jYoAAFijNAaV5oLQAlAYAAvgAKw==AQAAAAAAAAAAgAAAAAAAAAUAAAAAAAAADQAAAAAAAAA=eF5jZubk5AQAAFYAIg==
+ </AppendedData>
+</VTKFile>
diff --git a/Tests/Data/LIE/Mechanics/elastic_push_pull_two_fractures_t_1.vtu b/Tests/Data/LIE/Mechanics/elastic_push_pull_two_fractures_t_1.vtu
new file mode 100644
index 0000000000000000000000000000000000000000..0c41b33f86024d766a9fa0ef9cd8fb0878caa7d6
--- /dev/null
+++ b/Tests/Data/LIE/Mechanics/elastic_push_pull_two_fractures_t_1.vtu
@@ -0,0 +1,47 @@
+<?xml version="1.0"?>
+<VTKFile type="UnstructuredGrid" version="1.0" byte_order="LittleEndian" header_type="UInt64" compressor="vtkZLibDataCompressor">
+ <UnstructuredGrid>
+ <FieldData>
+ <DataArray type="Int8" Name="OGS_VERSION" NumberOfTuples="20" format="appended" RangeMin="45" RangeMax="103" offset="0" />
+ </FieldData>
+ <Piece NumberOfPoints="8" NumberOfCells="5" >
+ <PointData>
+ <DataArray type="Float64" Name="displacement" NumberOfComponents="2" format="appended" RangeMin="0" RangeMax="5e-07" offset="84" />
+ <DataArray type="Float64" Name="displacement_jump1" NumberOfComponents="2" format="appended" RangeMin="0" RangeMax="3.0440279142e-23" offset="220" />
+ <DataArray type="Float64" Name="displacement_jump2" NumberOfComponents="2" format="appended" RangeMin="0" RangeMax="2.2054896457e-22" offset="312" />
+ <DataArray type="Float64" Name="sigma_xx" format="appended" RangeMin="100000" RangeMax="100000" offset="408" />
+ <DataArray type="Float64" Name="sigma_xy" format="appended" RangeMin="-2.2249097855e-11" RangeMax="1.28272497e-11" offset="500" />
+ <DataArray type="Float64" Name="sigma_yy" format="appended" RangeMin="-1.6604511801e-12" RangeMax="4.9901190925e-12" offset="644" />
+ </PointData>
+ <CellData>
+ <DataArray type="Int32" Name="MaterialIDs" format="appended" RangeMin="0" RangeMax="2" offset="784" />
+ <DataArray type="Float64" Name="aperture" format="appended" RangeMin="0" RangeMax="1e-05" offset="852" />
+ <DataArray type="Float64" Name="f_stress_n" format="appended" RangeMin="0" RangeMax="1.0602290566e-27" offset="928" />
+ <DataArray type="Float64" Name="f_stress_s" format="appended" RangeMin="-1.3864254603e-13" RangeMax="2.1907966211e-12" offset="1000" />
+ <DataArray type="Float64" Name="levelset1" format="appended" RangeMin="-0.5" RangeMax="0.5" offset="1080" />
+ <DataArray type="Float64" Name="levelset2" format="appended" RangeMin="-0.5" RangeMax="0.5" offset="1148" />
+ <DataArray type="Float64" Name="strain_xx" format="appended" RangeMin="0" RangeMax="5e-07" offset="1216" />
+ <DataArray type="Float64" Name="strain_xy" format="appended" RangeMin="-4.8577953294e-23" RangeMax="0" offset="1292" />
+ <DataArray type="Float64" Name="strain_yy" format="appended" RangeMin="0" RangeMax="1.3737014523e-23" offset="1384" />
+ <DataArray type="Float64" Name="strain_zz" format="appended" RangeMin="0" RangeMax="0" offset="1472" />
+ <DataArray type="Float64" Name="stress_xx" format="appended" RangeMin="0" RangeMax="100000" offset="1532" />
+ <DataArray type="Float64" Name="stress_xy" format="appended" RangeMin="-9.7155906588e-12" RangeMax="0" offset="1604" />
+ <DataArray type="Float64" Name="stress_yy" format="appended" RangeMin="0" RangeMax="2.7474029045e-12" offset="1700" />
+ <DataArray type="Float64" Name="stress_zz" format="appended" RangeMin="0" RangeMax="0" offset="1788" />
+ <DataArray type="Float64" Name="w_n" format="appended" RangeMin="0" RangeMax="5.2897245787e-38" offset="1848" />
+ <DataArray type="Float64" Name="w_s" format="appended" RangeMin="-6.9321273015e-24" RangeMax="1.0953983106e-22" offset="1920" />
+ </CellData>
+ <Points>
+ <DataArray type="Float64" Name="Points" NumberOfComponents="3" format="appended" RangeMin="0" RangeMax="3.1622776602" offset="2000" />
+ </Points>
+ <Cells>
+ <DataArray type="Int64" Name="connectivity" format="appended" RangeMin="" RangeMax="" offset="2092" />
+ <DataArray type="Int64" Name="offsets" format="appended" RangeMin="" RangeMax="" offset="2196" />
+ <DataArray type="UInt8" Name="types" format="appended" RangeMin="" RangeMax="" offset="2272" />
+ </Cells>
+ </Piece>
+ </UnstructuredGrid>
+ <AppendedData encoding="base64">
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diff --git a/Tests/Data/LIE/Mechanics/elastic_push_pull_two_fractures_t_2.vtu b/Tests/Data/LIE/Mechanics/elastic_push_pull_two_fractures_t_2.vtu
new file mode 100644
index 0000000000000000000000000000000000000000..5382171334293d76ac48e4481f77a224f66a37af
--- /dev/null
+++ b/Tests/Data/LIE/Mechanics/elastic_push_pull_two_fractures_t_2.vtu
@@ -0,0 +1,47 @@
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diff --git a/Tests/Data/LIE/Mechanics/elastic_push_pull_two_fractures_t_3.vtu b/Tests/Data/LIE/Mechanics/elastic_push_pull_two_fractures_t_3.vtu
new file mode 100644
index 0000000000000000000000000000000000000000..06acaa60b80f6a0e7ee983b13179a83ebe604514
--- /dev/null
+++ b/Tests/Data/LIE/Mechanics/elastic_push_pull_two_fractures_t_3.vtu
@@ -0,0 +1,47 @@
+<?xml version="1.0"?>
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diff --git a/Tests/Data/LIE/Mechanics/five_element_two_fractures.gml b/Tests/Data/LIE/Mechanics/five_element_two_fractures.gml
new file mode 100644
index 0000000000000000000000000000000000000000..7d96b7cfbd3a4690f469b40cc8d546a296ef41b2
--- /dev/null
+++ b/Tests/Data/LIE/Mechanics/five_element_two_fractures.gml
@@ -0,0 +1,32 @@
+<?xml version="1.0" encoding="utf-8"?>
+<OpenGeoSysGLI>
+ <name>five_element_two_fractures</name>
+ <points>
+ <point id="0" x="0" y="0" z="0"/>
+ <point id="1" x="0" y="1" z="0" name="FRACTURE1_LEFT"/>
+ <point id="2" x="0" y="2" z="0" name="FRACTURE2_LEFT"/>
+ <point id="3" x="0" y="3" z="0"/>
+ <point id="4" x="1" y="0" z="0"/>
+ <point id="5" x="1" y="1" z="0" name="FRACTURE1_RIGHT"/>
+ <point id="6" x="1" y="2" z="0" name="FRACTURE2_RIGHT"/>
+ <point id="7" x="1" y="3" z="0"/>
+ </points>
+ <polylines>
+ <polyline id="0" name="PLY_BOTTOM">
+ <pnt>0</pnt>
+ <pnt>4</pnt>
+ </polyline>
+ <polyline id="1" name="PLY_TOP">
+ <pnt>3</pnt>
+ <pnt>7</pnt>
+ </polyline>
+ <polyline id="2" name="PLY_LEFT">
+ <pnt>0</pnt>
+ <pnt>3</pnt>
+ </polyline>
+ <polyline id="3" name="PLY_RIGHT">
+ <pnt>4</pnt>
+ <pnt>7</pnt>
+ </polyline>
+ </polylines>
+</OpenGeoSysGLI>
diff --git a/Tests/Data/LIE/Mechanics/five_element_two_fractures.vtu b/Tests/Data/LIE/Mechanics/five_element_two_fractures.vtu
new file mode 100644
index 0000000000000000000000000000000000000000..1d234b1a3e89f18a8e1c641a72681d9390f2e8ff
Binary files /dev/null and b/Tests/Data/LIE/Mechanics/five_element_two_fractures.vtu differ