<OpenGeoSysProject>
  <meshes>
    <mesh>./mesh/geo_domain_2D_q8.vtu</mesh>
    <mesh>./mesh/geometry_right.vtu</mesh>
    <mesh>./mesh/geometry_topleft.vtu</mesh>
    <mesh>./mesh/geometry_bottomleft.vtu</mesh>
    <mesh>./mesh/geometry_topright.vtu</mesh>
    <mesh>./mesh/geometry_bottomright.vtu</mesh>
    <mesh>./mesh/geometry_left.vtu</mesh>
  </meshes>
  <processes>
    <process>
      <name>HM</name>
      <type>SMALL_DEFORMATION</type>
      <integration_order>4</integration_order>
      <constitutive_relation id="0">
        <type>LinearElasticIsotropic</type>
        <youngs_modulus>E0</youngs_modulus>
        <poissons_ratio>nu0</poissons_ratio>
      </constitutive_relation>
      <constitutive_relation id="1">
        <type>MFront</type>
        <behaviour>WeakPlaneModel_nonIter</behaviour>
        <material_properties>
          <material_property name="Em" parameter="E1" />
          <material_property name="nu" parameter="nu1" />
          <material_property name="PlaneCohesion" parameter="PlaneCohesion" />
          <material_property name="PlaneFrictionAngle" parameter="PlaneFrictionAngle" />
          <material_property name="PlaneDilatancyAngle" parameter="PlaneDilatancyAngle" />
          <material_property name="Normals[0]" parameter="normals[0]" />
          <material_property name="Normals[1]" parameter="normals[1]" />
          <material_property name="Normals[2]" parameter="normals[2]" />
        </material_properties>
      </constitutive_relation>
      <process_variables>
        <process_variable>displacement</process_variable>
      </process_variables>
      <secondary_variables>
        <secondary_variable name="sigma" />
        <secondary_variable name="epsilon" />
        <secondary_variable name="ElasticStrain" />
        <secondary_variable name="EquivalentPlasticStrainWP" />
      </secondary_variables>
      <specific_body_force>0. 0.</specific_body_force>
      <initial_stress>Initial_stress</initial_stress>
    </process>
  </processes>
  <time_loop>
    <processes>
      <process ref="HM">
        <nonlinear_solver>nonlinear_solver</nonlinear_solver>
        <convergence_criterion>
          <type>PerComponentDeltaX</type>
          <norm_type>NORM2</norm_type>
          <abstols>5e-9 5e-9</abstols>
          <reltols>5e-8 5e-8</reltols>
        </convergence_criterion>
        <time_discretization>
          <type>BackwardEuler</type>
        </time_discretization>
        <time_stepping>
          <type>IterationNumberBasedTimeStepping</type>
          <t_initial>0.0</t_initial>
          <t_end>6.0</t_end>
          <initial_dt>0.05</initial_dt>
          <minimum_dt>1e-7</minimum_dt>
          <maximum_dt>10</maximum_dt>
          <number_iterations>2 3 4 10 15</number_iterations>
          <multiplier>5. 2.5 1.25 1.01 0.5</multiplier>
        </time_stepping>
      </process>
    </processes>
    <output>
      <type>VTK</type>
      <prefix>fault_slip_nonIter_WP_ref</prefix>
      <timesteps>
        <pair>
          <repeat>1</repeat>
          <each_steps>10</each_steps>
        </pair>
      </timesteps>
      <output_iteration_results>false</output_iteration_results>
      <variables>
        <variable>displacement</variable>
        <variable>sigma</variable>
        <variable>EquivalentPlasticStrainWP</variable>
      </variables>
      <suffix>t{:time}</suffix>
    </output>
  </time_loop>
  <media>
    <medium id="0">
      <phases>
        <phase>
          <type>Solid</type>
          <properties>
            <property>
              <name>density</name>
              <type>Constant</type>
              <value>2450.</value>
            </property>
          </properties>
        </phase>
      </phases>
    </medium>
    <medium id="1">
      <phases>
        <phase>
          <type>Solid</type>
          <properties>
            <property>
              <name>density</name>
              <type>Constant</type>
              <value>2450.</value>
            </property>
          </properties>
        </phase>
      </phases>
    </medium>
  </media>
  <parameters>
    <parameter>
      <name>E0</name>
      <type>Constant</type>
      <value>6.1065e9</value>
    </parameter>
    <parameter>
      <name>nu0</name>
      <type>Constant</type>
      <value>.3275</value>
    </parameter>
    <parameter>
      <name>E1</name>
      <type>Constant</type>
      <value>0.2816e9</value>
    </parameter>
    <parameter>
      <name>nu1</name>
      <type>Constant</type>
      <value>-0.5</value>
    </parameter>
    <parameter>
      <name>PlaneCohesion</name>
      <type>Constant</type>
      <value>0.</value>
    </parameter>
    <parameter>
      <name>PlaneFrictionAngle</name>
      <type>Constant</type>
      <value>22.</value>
    </parameter>
    <parameter>
      <name>PlaneDilatancyAngle</name>
      <type>Constant</type>
      <value>10.</value>
    </parameter>
    <parameter>
      <name>normals[0]</name>
      <type>Constant</type>
      <value>-0.9063077870366499</value>
    </parameter>
    <parameter>
      <name>normals[1]</name>
      <type>Constant</type>
      <value>0.4226182617406995</value>
    </parameter>
    <parameter>
      <name>normals[2]</name>
      <type>Constant</type>
      <value>0.</value>
    </parameter>
    <parameter>
      <name>displacement0</name>
      <type>Constant</type>
      <values>0. 0.</values>
    </parameter>
    <parameter>
      <name>scaling_pressure</name>
      <type>Function</type>
      <expression>-1.0</expression>
    </parameter>
    <parameter>
      <name>Zero</name>
      <type>Constant</type>
      <value>0.</value>
    </parameter>
    <parameter>
      <name>traction_top</name>
      <type>CurveScaled</type>
      <curve>pressure_cycle</curve>
      <parameter>scaling_pressure</parameter>
    </parameter>
    <parameter>
      <name>traction_left</name>
      <type>Constant</type>
      <value>6.0e6</value>
    </parameter>
    <parameter>
      <name>Initial_stress</name>
      <type>Constant</type>
      <values>-6.0e6 -7e6 -3.3e6 0</values>
    </parameter>
  </parameters>
  <curves>
    <curve>
      <name>pressure_cycle</name>
      <coords>0 1.0 5</coords>
      <values>7e6 8860000. 9325000.</values>
    </curve>
  </curves>
  <process_variables>
    <process_variable>
      <name>displacement</name>
      <components>2</components>
      <order>2</order>
      <initial_condition>displacement0</initial_condition>
      <compensate_non_equilibrium_initial_residuum>false</compensate_non_equilibrium_initial_residuum>
      <boundary_conditions>
        <boundary_condition>
          <mesh>geometry_bottomright</mesh>
          <type>Dirichlet</type>
          <component>1</component>
          <parameter>Zero</parameter>
        </boundary_condition>
        <boundary_condition>
          <mesh>geometry_bottomleft</mesh>
          <type>Neumann</type>
          <component>1</component>
          <parameter>Zero</parameter>
        </boundary_condition>
        <boundary_condition>
          <mesh>geometry_topleft</mesh>
          <type>Neumann</type>
          <component>1</component>
          <parameter>traction_top</parameter>
        </boundary_condition>
        <boundary_condition>
          <mesh>geometry_topright</mesh>
          <type>Neumann</type>
          <component>1</component>
          <parameter>traction_top</parameter>
        </boundary_condition>
        <boundary_condition>
          <mesh>geometry_right</mesh>
          <type>Dirichlet</type>
          <component>0</component>
          <parameter>Zero</parameter>
        </boundary_condition>
        <boundary_condition>
          <mesh>geometry_left</mesh>
          <type>Neumann</type>
          <component>0</component>
          <parameter>traction_left</parameter>
        </boundary_condition>
      </boundary_conditions>
    </process_variable>
  </process_variables>
  <nonlinear_solvers>
    <nonlinear_solver>
      <name>nonlinear_solver</name>
      <type>Newton</type>
      <max_iter>20</max_iter>
      <damping>0.1</damping>
      <damping_reduction>8</damping_reduction>
      <linear_solver>general_linear_solver</linear_solver>
    </nonlinear_solver>
  </nonlinear_solvers>
  <linear_solvers>
    <linear_solver>
      <name>general_linear_solver</name>
      <eigen>
        <solver_type>PardisoLU</solver_type>
        <scaling>1</scaling>
      </eigen>
    </linear_solver>
  </linear_solvers>
  <test_definition>
    <vtkdiff>
      <regex>fault_slip_nonIter_WP_ref_t_6.000000.vtu</regex>
      <field>displacement</field>
      <absolute_tolerance>1e-5</absolute_tolerance>
      <relative_tolerance>5.0e-3</relative_tolerance>
    </vtkdiff>
    <vtkdiff>
      <regex>fault_slip_nonIter_WP_ref_t_6.000000.vtu</regex>
      <field>sigma</field>
      <absolute_tolerance>5000</absolute_tolerance>
      <relative_tolerance>5e-1</relative_tolerance>
    </vtkdiff>
  </test_definition>
</OpenGeoSysProject>