<OpenGeoSysProject>
  <meshes>
    <mesh>domain.vtu</mesh>
    <mesh>physical_group_DSS1.vtu</mesh>
    <mesh>physical_group_DSS2.vtu</mesh>
    <mesh>physical_group_DSS3.vtu</mesh>
    <mesh>physical_group_DSS4.vtu</mesh>
    <mesh>physical_group_DSS5.vtu</mesh>
    <mesh>physical_group_DSS6.vtu</mesh>
    <mesh>physical_group_DSS7.vtu</mesh>
    <mesh>physical_group_DSS8.vtu</mesh>
    <mesh>physical_group_DSS1a.vtu</mesh>
    <mesh>physical_group_DSS2a.vtu</mesh>
    <mesh>physical_group_DSS3a.vtu</mesh>
    <mesh>physical_group_DSS4a.vtu</mesh>
    <mesh>physical_group_DSS5a.vtu</mesh>
    <mesh>physical_group_DSS6a.vtu</mesh>
    <mesh>physical_group_DSS7a.vtu</mesh>
    <mesh>physical_group_DSS8a.vtu</mesh>
    <mesh>physical_group_PEE1.vtu</mesh>
    <mesh>physical_group_PEE2.vtu</mesh>
    <mesh>physical_group_PEE3.vtu</mesh>
    <mesh>physical_group_PEE4.vtu</mesh>
    <mesh>physical_group_PEE5.vtu</mesh>
    <mesh>physical_group_PEE6.vtu</mesh>
    <mesh>physical_group_PEE7.vtu</mesh>
    <mesh>physical_group_PEE8.vtu</mesh>
    <mesh>physical_group_PEE1a.vtu</mesh>
    <mesh>physical_group_PEE2a.vtu</mesh>
    <mesh>physical_group_PEE3a.vtu</mesh>
    <mesh>physical_group_PEE4a.vtu</mesh>
    <mesh>physical_group_PEE5a.vtu</mesh>
    <mesh>physical_group_PEE6a.vtu</mesh>
    <mesh>physical_group_PEE7a.vtu</mesh>
    <mesh>physical_group_PEE8a.vtu</mesh>
    <mesh>physical_group_p_left.vtu</mesh>
    <mesh>physical_group_p_right.vtu</mesh>
    <mesh>physical_group_p_top.vtu</mesh>
    <mesh>physical_group_p_bottom.vtu</mesh>
  </meshes>
  <processes>
    <process>
      <name>M</name>
      <type>SMALL_DEFORMATION</type>
      <integration_order>3</integration_order>
      <process_variables>
        <process_variable>displacement</process_variable>
      </process_variables>
      <constitutive_relation id="0">
        <type>LinearElasticIsotropic</type>
        <youngs_modulus>E1</youngs_modulus>
        <poissons_ratio>nu1</poissons_ratio>
      </constitutive_relation>
      <constitutive_relation id="1">
        <type>LinearElasticIsotropic</type>
        <youngs_modulus>E1</youngs_modulus>
        <poissons_ratio>nu1</poissons_ratio>
      </constitutive_relation>
      <constitutive_relation id="2">
        <type>LinearElasticIsotropic</type>
        <youngs_modulus>E2</youngs_modulus>
        <poissons_ratio>nu2</poissons_ratio>
      </constitutive_relation>
      <secondary_variables>
        <secondary_variable internal_name="sigma" output_name="sigma" />
        <secondary_variable internal_name="epsilon" output_name="epsilon" />
      </secondary_variables>
      <specific_body_force>0.0 0.0</specific_body_force>
    </process>
  </processes>
  <time_loop>
    <processes>
      <process ref="M">
        <nonlinear_solver>basic_newton_u</nonlinear_solver>
        <convergence_criterion>
          <type>DeltaX</type>
          <norm_type>NORM2</norm_type>
          <abstol>1e-15</abstol>
        </convergence_criterion>
        <time_discretization>
          <type>BackwardEuler</type>
        </time_discretization>
        <time_stepping>
          <type>FixedTimeStepping</type>
          <t_initial>0</t_initial>
          <t_end>3500</t_end>
          <timesteps>
            <pair>
              <repeat>1</repeat>
              <delta_t>100.0</delta_t>
            </pair>
          </timesteps>
        </time_stepping>
      </process>
    </processes>
    <output>
      <type>VTK</type>
      <prefix>great_cell_physical_group_embedded_fracture_M</prefix>
      <variables>
        <variable>MaterialIDs</variable>
        <variable>displacement</variable>
        <variable>sigma</variable>
        <variable>epsilon</variable>
      </variables>
      <output_iteration_results>false</output_iteration_results>
      <timesteps>
        <pair>
          <repeat>1</repeat>
          <each_steps>5</each_steps>
        </pair>
      </timesteps>
    </output>
  </time_loop>
  <media>
    <medium id="0">
      <phases>
        <phase>
          <type>Solid</type>
          <properties>
            <property>
              <name>density</name>
              <type>Constant</type>
              <value>0.0</value>
            </property>
          </properties>
        </phase>
      </phases>
    </medium>
    <medium id="1">
      <phases>
        <phase>
          <type>Solid</type>
          <properties>
            <property>
              <name>density</name>
              <type>Constant</type>
              <value>0.0</value>
            </property>
          </properties>
        </phase>
      </phases>
    </medium>
    <medium id="2">
      <phases>
        <phase>
          <type>Solid</type>
          <properties>
            <property>
              <name>density</name>
              <type>Constant</type>
              <value>2650</value>
            </property>
          </properties>
        </phase>
      </phases>
    </medium>
  </media>
  <parameters>
    <parameter>
      <name>E1</name>
      <type>Constant</type>
      <value>3.85e9</value>
    </parameter>
    <parameter>
      <name>nu1</name>
      <type>Constant</type>
      <value>0.4</value>
    </parameter>
    <parameter>
      <name>E2</name>
      <type>Constant</type>
      <value>1e8</value>
    </parameter>
    <parameter>
      <name>nu2</name>
      <type>Constant</type>
      <value>0.4</value>
    </parameter>
    <parameter>
      <name>u0</name>
      <type>Constant</type>
      <values>0 0</values>
    </parameter>
    <parameter>
      <name>zero</name>
      <type>Constant</type>
      <value>0</value>
    </parameter>
    <parameter>
      <name>loading</name>
      <type>Constant</type>
      <value>1</value>
    </parameter>
    <parameter>
      <name>PEE1_SURFACE_CURVE</name>
      <type>CurveScaled</type>
      <curve>PEE1_SURFACE_CURVE</curve>
      <parameter>loading</parameter>
    </parameter>
    <parameter>
      <name>PEE2_SURFACE_CURVE</name>
      <type>CurveScaled</type>
      <curve>PEE2_SURFACE_CURVE</curve>
      <parameter>loading</parameter>
    </parameter>
    <parameter>
      <name>PEE3_SURFACE_CURVE</name>
      <type>CurveScaled</type>
      <curve>PEE3_SURFACE_CURVE</curve>
      <parameter>loading</parameter>
    </parameter>
    <parameter>
      <name>PEE5_SURFACE_CURVE</name>
      <type>CurveScaled</type>
      <curve>PEE5_SURFACE_CURVE</curve>
      <parameter>loading</parameter>
    </parameter>
    <parameter>
      <name>PEE4_SURFACE_CURVE</name>
      <type>CurveScaled</type>
      <curve>PEE4_SURFACE_CURVE</curve>
      <parameter>loading</parameter>
    </parameter>
    <parameter>
      <name>PEE6_SURFACE_CURVE</name>
      <type>CurveScaled</type>
      <curve>PEE6_SURFACE_CURVE</curve>
      <parameter>loading</parameter>
    </parameter>
    <parameter>
      <name>PEE7_SURFACE_CURVE</name>
      <type>CurveScaled</type>
      <curve>PEE7_SURFACE_CURVE</curve>
      <parameter>loading</parameter>
    </parameter>
    <parameter>
      <name>PEE8_SURFACE_CURVE</name>
      <type>CurveScaled</type>
      <curve>PEE8_SURFACE_CURVE</curve>
      <parameter>loading</parameter>
    </parameter>
    <parameter>
      <name>PEE1a_SURFACE_CURVE</name>
      <type>CurveScaled</type>
      <curve>PEE1a_SURFACE_CURVE</curve>
      <parameter>loading</parameter>
    </parameter>
    <parameter>
      <name>PEE2a_SURFACE_CURVE</name>
      <type>CurveScaled</type>
      <curve>PEE2a_SURFACE_CURVE</curve>
      <parameter>loading</parameter>
    </parameter>
    <parameter>
      <name>PEE3a_SURFACE_CURVE</name>
      <type>CurveScaled</type>
      <curve>PEE3a_SURFACE_CURVE</curve>
      <parameter>loading</parameter>
    </parameter>
    <parameter>
      <name>PEE4a_SURFACE_CURVE</name>
      <type>CurveScaled</type>
      <curve>PEE4a_SURFACE_CURVE</curve>
      <parameter>loading</parameter>
    </parameter>
    <parameter>
      <name>PEE5a_SURFACE_CURVE</name>
      <type>CurveScaled</type>
      <curve>PEE5a_SURFACE_CURVE</curve>
      <parameter>loading</parameter>
    </parameter>
    <parameter>
      <name>PEE6a_SURFACE_CURVE</name>
      <type>CurveScaled</type>
      <curve>PEE6a_SURFACE_CURVE</curve>
      <parameter>loading</parameter>
    </parameter>
    <parameter>
      <name>PEE7a_SURFACE_CURVE</name>
      <type>CurveScaled</type>
      <curve>PEE7a_SURFACE_CURVE</curve>
      <parameter>loading</parameter>
    </parameter>
    <parameter>
      <name>PEE8a_SURFACE_CURVE</name>
      <type>CurveScaled</type>
      <curve>PEE8a_SURFACE_CURVE</curve>
      <parameter>loading</parameter>
    </parameter>
    <parameter>
      <name>DSS1_SURFACE_CURVE</name>
      <type>CurveScaled</type>
      <curve>DSS1_SURFACE_CURVE</curve>
      <parameter>loading</parameter>
    </parameter>
    <parameter>
      <name>DSS2_SURFACE_CURVE</name>
      <type>CurveScaled</type>
      <curve>DSS2_SURFACE_CURVE</curve>
      <parameter>loading</parameter>
    </parameter>
    <parameter>
      <name>DSS3_SURFACE_CURVE</name>
      <type>CurveScaled</type>
      <curve>DSS3_SURFACE_CURVE</curve>
      <parameter>loading</parameter>
    </parameter>
    <parameter>
      <name>DSS5_SURFACE_CURVE</name>
      <type>CurveScaled</type>
      <curve>DSS5_SURFACE_CURVE</curve>
      <parameter>loading</parameter>
    </parameter>
    <parameter>
      <name>DSS4_SURFACE_CURVE</name>
      <type>CurveScaled</type>
      <curve>DSS4_SURFACE_CURVE</curve>
      <parameter>loading</parameter>
    </parameter>
    <parameter>
      <name>DSS6_SURFACE_CURVE</name>
      <type>CurveScaled</type>
      <curve>DSS6_SURFACE_CURVE</curve>
      <parameter>loading</parameter>
    </parameter>
    <parameter>
      <name>DSS7_SURFACE_CURVE</name>
      <type>CurveScaled</type>
      <curve>DSS7_SURFACE_CURVE</curve>
      <parameter>loading</parameter>
    </parameter>
    <parameter>
      <name>DSS8_SURFACE_CURVE</name>
      <type>CurveScaled</type>
      <curve>DSS8_SURFACE_CURVE</curve>
      <parameter>loading</parameter>
    </parameter>
    <parameter>
      <name>DSS1a_SURFACE_CURVE</name>
      <type>CurveScaled</type>
      <curve>DSS1a_SURFACE_CURVE</curve>
      <parameter>loading</parameter>
    </parameter>
    <parameter>
      <name>DSS2a_SURFACE_CURVE</name>
      <type>CurveScaled</type>
      <curve>DSS2a_SURFACE_CURVE</curve>
      <parameter>loading</parameter>
    </parameter>
    <parameter>
      <name>DSS3a_SURFACE_CURVE</name>
      <type>CurveScaled</type>
      <curve>DSS3a_SURFACE_CURVE</curve>
      <parameter>loading</parameter>
    </parameter>
    <parameter>
      <name>DSS4a_SURFACE_CURVE</name>
      <type>CurveScaled</type>
      <curve>DSS4a_SURFACE_CURVE</curve>
      <parameter>loading</parameter>
    </parameter>
    <parameter>
      <name>DSS5a_SURFACE_CURVE</name>
      <type>CurveScaled</type>
      <curve>DSS5a_SURFACE_CURVE</curve>
      <parameter>loading</parameter>
    </parameter>
    <parameter>
      <name>DSS6a_SURFACE_CURVE</name>
      <type>CurveScaled</type>
      <curve>DSS6a_SURFACE_CURVE</curve>
      <parameter>loading</parameter>
    </parameter>
    <parameter>
      <name>DSS7a_SURFACE_CURVE</name>
      <type>CurveScaled</type>
      <curve>DSS7a_SURFACE_CURVE</curve>
      <parameter>loading</parameter>
    </parameter>
    <parameter>
      <name>DSS8a_SURFACE_CURVE</name>
      <type>CurveScaled</type>
      <curve>DSS8a_SURFACE_CURVE</curve>
      <parameter>loading</parameter>
    </parameter>
  </parameters>
  <curves>
    <curve>
      <name>PEE1_SURFACE_CURVE</name>
      <coords>0 500</coords>
      <values>-7730000.0 -7730000.0</values>
    </curve>
    <curve>
      <name>PEE2_SURFACE_CURVE</name>
      <coords>0 500</coords>
      <values>-5700000.0 -5700000.0</values>
    </curve>
    <curve>
      <name>PEE3_SURFACE_CURVE</name>
      <coords>0 500</coords>
      <values>-4390000.0 -4390000.0</values>
    </curve>
    <curve>
      <name>PEE4_SURFACE_CURVE</name>
      <coords>0 500</coords>
      <values>-2400000.0 -2400000.0</values>
    </curve>
    <curve>
      <name>PEE5_SURFACE_CURVE</name>
      <coords>0 500</coords>
      <values>-2300000.0 -2300000.0</values>
    </curve>
    <curve>
      <name>PEE6_SURFACE_CURVE</name>
      <coords>0 500</coords>
      <values>-4000000.0 -4000000.0</values>
    </curve>
    <curve>
      <name>PEE7_SURFACE_CURVE</name>
      <coords>0 500</coords>
      <values>-6400000.0 -6400000.0</values>
    </curve>
    <curve>
      <name>PEE8_SURFACE_CURVE</name>
      <coords>0 500</coords>
      <values>-7700000.0 -7700000.0</values>
    </curve>
    <curve>
      <name>PEE1a_SURFACE_CURVE</name>
      <coords>0 500</coords>
      <values>-7730000.0 -7730000.0</values>
    </curve>
    <curve>
      <name>PEE2a_SURFACE_CURVE</name>
      <coords>0 500</coords>
      <values>-5700000.0 -5700000.0</values>
    </curve>
    <curve>
      <name>PEE3a_SURFACE_CURVE</name>
      <coords>0 500</coords>
      <values>-4390000.0 -4390000.0</values>
    </curve>
    <curve>
      <name>PEE4a_SURFACE_CURVE</name>
      <coords>0 500</coords>
      <values>-2400000.0 -2400000.0</values>
    </curve>
    <curve>
      <name>PEE5a_SURFACE_CURVE</name>
      <coords>0 500</coords>
      <values>-2300000.0 -2300000.0</values>
    </curve>
    <curve>
      <name>PEE6a_SURFACE_CURVE</name>
      <coords>0 500</coords>
      <values>-4000000.0 -4000000.0</values>
    </curve>
    <curve>
      <name>PEE7a_SURFACE_CURVE</name>
      <coords>0 500</coords>
      <values>-6400000.0 -6400000.0</values>
    </curve>
    <curve>
      <name>PEE8a_SURFACE_CURVE</name>
      <coords>0 500</coords>
      <values>-7700000.0 -7700000.0</values>
    </curve>
    <curve>
      <name>DSS1_SURFACE_CURVE</name>
      <coords>0 500</coords>
      <values>-6715000.0 -6715000.0</values>
    </curve>
    <curve>
      <name>DSS2_SURFACE_CURVE</name>
      <coords>0 500</coords>
      <values>-5045000.0 -5045000.0</values>
    </curve>
    <curve>
      <name>DSS3_SURFACE_CURVE</name>
      <coords>0 500</coords>
      <values>-3395000.0 -3395000.0</values>
    </curve>
    <curve>
      <name>DSS4_SURFACE_CURVE</name>
      <coords>0 500</coords>
      <values>-2350000.0 -2350000.0</values>
    </curve>
    <curve>
      <name>DSS5_SURFACE_CURVE</name>
      <coords>0 500</coords>
      <values>-3150000.0 -3150000.0</values>
    </curve>
    <curve>
      <name>DSS6_SURFACE_CURVE</name>
      <coords>0 500</coords>
      <values>-5200000.0 -5200000.0</values>
    </curve>
    <curve>
      <name>DSS7_SURFACE_CURVE</name>
      <coords>0 500</coords>
      <values>-7050000.0 -7050000.0</values>
    </curve>
    <curve>
      <name>DSS8_SURFACE_CURVE</name>
      <coords>0 500</coords>
      <values>-7715000.0 -7715000.0</values>
    </curve>
    <curve>
      <name>DSS1a_SURFACE_CURVE</name>
      <coords>0 500</coords>
      <values>-6715000.0 -6715000.0</values>
    </curve>
    <curve>
      <name>DSS2a_SURFACE_CURVE</name>
      <coords>0 500</coords>
      <values>-5045000.0 -5045000.0</values>
    </curve>
    <curve>
      <name>DSS3a_SURFACE_CURVE</name>
      <coords>0 500</coords>
      <values>-3395000.0 -3395000.0</values>
    </curve>
    <curve>
      <name>DSS4a_SURFACE_CURVE</name>
      <coords>0 500</coords>
      <values>-2350000.0 -2350000.0</values>
    </curve>
    <curve>
      <name>DSS5a_SURFACE_CURVE</name>
      <coords>0 500</coords>
      <values>-3150000.0 -3150000.0</values>
    </curve>
    <curve>
      <name>DSS6a_SURFACE_CURVE</name>
      <coords>0 500</coords>
      <values>-5200000.0 -5200000.0</values>
    </curve>
    <curve>
      <name>DSS7a_SURFACE_CURVE</name>
      <coords>0 500</coords>
      <values>-7050000.0 -7050000.0</values>
    </curve>
    <curve>
      <name>DSS8a_SURFACE_CURVE</name>
      <coords>0 500</coords>
      <values>-7715000.0 -7715000.0</values>
    </curve>
  </curves>
  <process_variables>
    <process_variable>
      <name>displacement</name>
      <components>2</components>
      <order>1</order>
      <initial_condition>u0</initial_condition>
      <boundary_conditions>
        <boundary_condition>
          <mesh>physical_group_p_bottom</mesh>
          <type>Dirichlet</type>
          <component>0</component>
          <parameter>zero</parameter>
        </boundary_condition>
        <boundary_condition>
          <mesh>physical_group_p_bottom</mesh>
          <type>Dirichlet</type>
          <component>1</component>
          <parameter>zero</parameter>
        </boundary_condition>
        <boundary_condition>
          <mesh>physical_group_p_left</mesh>
          <type>Dirichlet</type>
          <component>0</component>
          <parameter>zero</parameter>
        </boundary_condition>
        <boundary_condition>
          <mesh>physical_group_PEE1</mesh>
          <type>NormalTraction</type>
          <parameter>PEE1_SURFACE_CURVE</parameter>
        </boundary_condition>
        <boundary_condition>
          <mesh>physical_group_PEE2</mesh>
          <type>NormalTraction</type>
          <parameter>PEE2_SURFACE_CURVE</parameter>
        </boundary_condition>
        <boundary_condition>
          <mesh>physical_group_PEE3</mesh>
          <type>NormalTraction</type>
          <parameter>PEE3_SURFACE_CURVE</parameter>
        </boundary_condition>
        <boundary_condition>
          <mesh>physical_group_PEE4</mesh>
          <type>NormalTraction</type>
          <parameter>PEE4_SURFACE_CURVE</parameter>
        </boundary_condition>
        <boundary_condition>
          <mesh>physical_group_PEE5</mesh>
          <type>NormalTraction</type>
          <parameter>PEE5_SURFACE_CURVE</parameter>
        </boundary_condition>
        <boundary_condition>
          <mesh>physical_group_PEE6</mesh>
          <type>NormalTraction</type>
          <parameter>PEE6_SURFACE_CURVE</parameter>
        </boundary_condition>
        <boundary_condition>
          <mesh>physical_group_PEE7</mesh>
          <type>NormalTraction</type>
          <parameter>PEE7_SURFACE_CURVE</parameter>
        </boundary_condition>
        <boundary_condition>
          <mesh>physical_group_PEE8</mesh>
          <type>NormalTraction</type>
          <parameter>PEE8_SURFACE_CURVE</parameter>
        </boundary_condition>
        <boundary_condition>
          <mesh>physical_group_PEE1a</mesh>
          <type>NormalTraction</type>
          <parameter>PEE1a_SURFACE_CURVE</parameter>
        </boundary_condition>
        <boundary_condition>
          <mesh>physical_group_PEE2a</mesh>
          <type>NormalTraction</type>
          <parameter>PEE2a_SURFACE_CURVE</parameter>
        </boundary_condition>
        <boundary_condition>
          <mesh>physical_group_PEE3a</mesh>
          <type>NormalTraction</type>
          <parameter>PEE3a_SURFACE_CURVE</parameter>
        </boundary_condition>
        <boundary_condition>
          <mesh>physical_group_PEE4a</mesh>
          <type>NormalTraction</type>
          <parameter>PEE4a_SURFACE_CURVE</parameter>
        </boundary_condition>
        <boundary_condition>
          <mesh>physical_group_PEE5a</mesh>
          <type>NormalTraction</type>
          <parameter>PEE5a_SURFACE_CURVE</parameter>
        </boundary_condition>
        <boundary_condition>
          <mesh>physical_group_PEE6a</mesh>
          <type>NormalTraction</type>
          <parameter>PEE6a_SURFACE_CURVE</parameter>
        </boundary_condition>
        <boundary_condition>
          <mesh>physical_group_PEE7a</mesh>
          <type>NormalTraction</type>
          <parameter>PEE7a_SURFACE_CURVE</parameter>
        </boundary_condition>
        <boundary_condition>
          <mesh>physical_group_PEE8a</mesh>
          <type>NormalTraction</type>
          <parameter>PEE8a_SURFACE_CURVE</parameter>
        </boundary_condition>
        <boundary_condition>
          <mesh>physical_group_DSS1</mesh>
          <type>NormalTraction</type>
          <parameter>DSS1_SURFACE_CURVE</parameter>
        </boundary_condition>
        <boundary_condition>
          <mesh>physical_group_DSS2</mesh>
          <type>NormalTraction</type>
          <parameter>DSS2_SURFACE_CURVE</parameter>
        </boundary_condition>
        <boundary_condition>
          <mesh>physical_group_DSS3</mesh>
          <type>NormalTraction</type>
          <parameter>DSS3_SURFACE_CURVE</parameter>
        </boundary_condition>
        <boundary_condition>
          <mesh>physical_group_DSS4</mesh>
          <type>NormalTraction</type>
          <parameter>DSS4_SURFACE_CURVE</parameter>
        </boundary_condition>
        <boundary_condition>
          <mesh>physical_group_DSS5</mesh>
          <type>NormalTraction</type>
          <parameter>DSS5_SURFACE_CURVE</parameter>
        </boundary_condition>
        <boundary_condition>
          <mesh>physical_group_DSS6</mesh>
          <type>NormalTraction</type>
          <parameter>DSS6_SURFACE_CURVE</parameter>
        </boundary_condition>
        <boundary_condition>
          <mesh>physical_group_DSS7</mesh>
          <type>NormalTraction</type>
          <parameter>DSS7_SURFACE_CURVE</parameter>
        </boundary_condition>
        <boundary_condition>
          <mesh>physical_group_DSS8</mesh>
          <type>NormalTraction</type>
          <parameter>DSS8_SURFACE_CURVE</parameter>
        </boundary_condition>
        <boundary_condition>
          <mesh>physical_group_DSS1a</mesh>
          <type>NormalTraction</type>
          <parameter>DSS1a_SURFACE_CURVE</parameter>
        </boundary_condition>
        <boundary_condition>
          <mesh>physical_group_DSS2a</mesh>
          <type>NormalTraction</type>
          <parameter>DSS2a_SURFACE_CURVE</parameter>
        </boundary_condition>
        <boundary_condition>
          <mesh>physical_group_DSS3a</mesh>
          <type>NormalTraction</type>
          <parameter>DSS3a_SURFACE_CURVE</parameter>
        </boundary_condition>
        <boundary_condition>
          <mesh>physical_group_DSS4a</mesh>
          <type>NormalTraction</type>
          <parameter>DSS4a_SURFACE_CURVE</parameter>
        </boundary_condition>
        <boundary_condition>
          <mesh>physical_group_DSS5a</mesh>
          <type>NormalTraction</type>
          <parameter>DSS5a_SURFACE_CURVE</parameter>
        </boundary_condition>
        <boundary_condition>
          <mesh>physical_group_DSS6a</mesh>
          <type>NormalTraction</type>
          <parameter>DSS6a_SURFACE_CURVE</parameter>
        </boundary_condition>
        <boundary_condition>
          <mesh>physical_group_DSS7a</mesh>
          <type>NormalTraction</type>
          <parameter>DSS7a_SURFACE_CURVE</parameter>
        </boundary_condition>
        <boundary_condition>
          <mesh>physical_group_DSS8a</mesh>
          <type>NormalTraction</type>
          <parameter>DSS8a_SURFACE_CURVE</parameter>
        </boundary_condition>
      </boundary_conditions>
    </process_variable>
  </process_variables>
  <nonlinear_solvers>
    <nonlinear_solver>
      <name>basic_newton_u</name>
      <type>Newton</type>
      <max_iter>10</max_iter>
      <linear_solver>linear_solver_u</linear_solver>
    </nonlinear_solver>
  </nonlinear_solvers>
  <linear_solvers>
    <linear_solver>
      <name>linear_solver_u</name>
      <eigen>
        <solver_type>SparseLU</solver_type>
        <scaling>true</scaling>
      </eigen>
      <petsc>
        <parameters>-ksp_type bcgs
                    -pc_type ilu
                    -ksp_rtol 1.e-20 -ksp_atol 1.e-18
                    -ksp_max_it 4000</parameters>
      </petsc>
    </linear_solver>
  </linear_solvers>
</OpenGeoSysProject>