<OpenGeoSysProject>
  <meshes>
    <mesh>hexa_slope_domain.vtu</mesh>
    <mesh>hexa_slope_physical_group_bas.vtu</mesh>
    <mesh>hexa_slope_physical_group_devant.vtu</mesh>
    <mesh>hexa_slope_physical_group_derriere.vtu</mesh>
    <mesh>hexa_slope_physical_group_cote.vtu</mesh>
  </meshes>
  <processes>
    <process>
      <name>SD</name>
      <type>SMALL_DEFORMATION</type>
      <integration_order>2</integration_order>
      <constitutive_relation>
        <type>MFront</type>
        <behaviour>MohrCoulombAbboSloan</behaviour>
        <material_properties>
          <material_property name="YoungModulus" parameter="YoungModulus" />
          <material_property name="PoissonRatio" parameter="PoissonRatio" />
          <material_property name="Cohesion" parameter="Cohesion" />
          <material_property name="FrictionAngle" parameter="FrictionAngle" />
          <material_property name="DilatancyAngle" parameter="DilatancyAngle" />
          <material_property name="TransitionAngle" parameter="TransitionAngle" />
          <material_property name="TensionCutOffParameter" parameter="TensionCutOffParameter" />
        </material_properties>
      </constitutive_relation>
      <specific_body_force>0 -9.8 0</specific_body_force>
      <reference_temperature>T_ref</reference_temperature>
      <process_variables>
        <process_variable>displacement</process_variable>
      </process_variables>
      <secondary_variables>
        <secondary_variable name="ElasticStrain" />
        <secondary_variable name="EquivalentPlasticStrain" />
        <secondary_variable name="sigma" />
        <secondary_variable name="epsilon" />
      </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>
          <reltol>1e-13</reltol>
        </convergence_criterion>
        <time_discretization>
          <type>BackwardEuler</type>
        </time_discretization>
        <time_stepping>
          <type>IterationNumberBasedTimeStepping</type>
          <t_initial>0.0</t_initial>
          <t_end>5</t_end>
          <initial_dt>0.5</initial_dt>
          <minimum_dt>1e-3</minimum_dt>
          <maximum_dt>1.0</maximum_dt>
          <number_iterations>1 5 10 20</number_iterations>
          <multiplier>1.2 1.0 0.9 0.5</multiplier>
        </time_stepping>
      </process>
    </processes>
    <output>
      <type>VTK</type>
      <prefix>slope</prefix>
      <timesteps>
        <pair>
          <repeat>10000</repeat>
          <each_steps>200</each_steps>
        </pair>
      </timesteps>
      <variables>
        <variable>displacement</variable>
        <variable>sigma</variable>
        <variable>epsilon</variable>
        <variable>ElasticStrain</variable>
        <variable>EquivalentPlasticStrain</variable>
      </variables>
      <suffix>t{:time}</suffix>
    </output>
  </time_loop>
  <media>
    <medium>
      <phases>
        <phase>
          <type>Solid</type>
          <properties>
            <property>
              <name>density</name>
              <type>Parameter</type>
              <parameter_name>rho_sr</parameter_name>
            </property>
          </properties>
        </phase>
      </phases>
    </medium>
  </media>
  <parameters>
    <parameter>
      <name>T_ref</name>
      <type>Constant</type>
      <values>293.15</values>
    </parameter>
    <parameter>
      <name>YoungModulus</name>
      <type>Constant</type>
      <value>26e5</value>
    </parameter>
    <parameter>
      <name>PoissonRatio</name>
      <type>Constant</type>
      <value>.3</value>
    </parameter>
    <parameter>
      <name>Cohesion</name>
      <type>CurveScaled</type>
      <curve>cohesion_ramp</curve>
      <parameter>cohesion_rs0</parameter>
    </parameter>
    <parameter>
      <name>cohesion_rs0</name>
      <type>Constant</type>
      <value>5000</value>
    </parameter>
    <parameter>
      <name>FrictionAngle</name>
      <type>CurveScaled</type>
      <curve>FrictionAngle_ramp</curve>
      <parameter>FrictionAngle_rs0</parameter>
    </parameter>
    <parameter>
      <name>FrictionAngle_rs0</name>
      <type>Constant</type>
      <value>20</value>
    </parameter>
    <parameter>
      <name>DilatancyAngle</name>
      <type>Constant</type>
      <value>13</value>
    </parameter>
    <parameter>
      <name>TransitionAngle</name>
      <type>Constant</type>
      <value>27</value>
    </parameter>
    <parameter>
      <name>TensionCutOffParameter</name>
      <type>CurveScaled</type>
      <curve>TensionCutOffParameter_ramp</curve>
      <parameter>TensionCutOffParameter_rs0</parameter>
    </parameter>
    <parameter>
      <name>TensionCutOffParameter_rs0</name>
      <type>Constant</type>
      <value>13700</value>
    </parameter>
    <parameter>
      <name>rho_sr</name>
      <type>CurveScaled</type>
      <curve>density_ramp</curve>
      <parameter>rho_sr0</parameter>
    </parameter>
    <parameter>
      <name>rho_sr0</name>
      <type>Constant</type>
      <value>1600</value>
    </parameter>
    <parameter>
      <name>displacement0</name>
      <type>Constant</type>
      <values>0 0 0</values>
    </parameter>
    <parameter>
      <name>dirichlet0</name>
      <type>Constant</type>
      <value>0</value>
    </parameter>
    <parameter>
      <name>top_load</name>
      <type>CurveScaled</type>
      <curve>top_load_ramp</curve>
      <parameter>top_load0</parameter>
    </parameter>
    <parameter>
      <name>top_load0</name>
      <type>Constant</type>
      <value>-30000</value>
    </parameter>
  </parameters>
  <curves>
    <curve>
      <name>cohesion_ramp</name>
      <coords>0 1 2 3 4 5 6 7</coords>
      <values>1 1 0.9 0.8 0.7 0.6 0.5 0.4</values>
    </curve>
    <curve>
      <name>FrictionAngle_ramp</name>
      <coords>0 1 2 3 4 5 6 7</coords>
      <values>1 1 0.906 0.812 0.715 0.616 0.516 0.414</values>
    </curve>
    <curve>
      <name>TensionCutOffParameter_ramp</name>
      <coords>0 1 2 3 4 5 6 7</coords>
      <values>1 1 1 1 1 1 1 1</values>
    </curve>
    <curve>
      <name>density_ramp</name>
      <coords>0 1</coords>
      <values>0 1</values>
    </curve>
    <curve>
      <name>top_load_ramp</name>
      <coords>0 1 2</coords>
      <values>0 0 0</values>
    </curve>
  </curves>
  <process_variables>
    <process_variable>
      <name>displacement</name>
      <components>3</components>
      <order>1</order>
      <initial_condition>displacement0</initial_condition>
      <boundary_conditions>
        <boundary_condition>
          <mesh>hexa_slope_physical_group_bas</mesh>
          <type>Dirichlet</type>
          <component>0</component>
          <parameter>dirichlet0</parameter>
        </boundary_condition>
        <boundary_condition>
          <mesh>hexa_slope_physical_group_bas</mesh>
          <type>Dirichlet</type>
          <component>1</component>
          <parameter>dirichlet0</parameter>
        </boundary_condition>
        <boundary_condition>
          <mesh>hexa_slope_physical_group_bas</mesh>
          <type>Dirichlet</type>
          <component>2</component>
          <parameter>dirichlet0</parameter>
        </boundary_condition>
        <boundary_condition>
          <mesh>hexa_slope_physical_group_derriere</mesh>
          <type>Dirichlet</type>
          <component>0</component>
          <parameter>dirichlet0</parameter>
        </boundary_condition>
        <boundary_condition>
          <mesh>hexa_slope_physical_group_cote</mesh>
          <type>Dirichlet</type>
          <component>2</component>
          <parameter>dirichlet0</parameter>
        </boundary_condition>
        <boundary_condition>
          <mesh>hexa_slope_physical_group_devant</mesh>
          <type>Dirichlet</type>
          <component>0</component>
          <parameter>dirichlet0</parameter>
        </boundary_condition>
      </boundary_conditions>
    </process_variable>
  </process_variables>
  <nonlinear_solvers>
    <nonlinear_solver>
      <name>basic_newton</name>
      <type>Newton</type>
      <max_iter>50</max_iter>
      <linear_solver>general_linear_solver</linear_solver>
    </nonlinear_solver>
  </nonlinear_solvers>
  <linear_solvers>
    <linear_solver>
      <name>general_linear_solver</name>
      <lis>-i bicgstab -p jacobi -tol 1e-11 -maxiter 10000</lis>
      <eigen>
        <solver_type>BiCGSTAB</solver_type>
        <precon_type>DIAGONAL</precon_type>
        <max_iteration_step>10000</max_iteration_step>
        <error_tolerance>1e-14</error_tolerance>
      </eigen>
      <petsc>
        <prefix>gw</prefix>
        <parameters>-gw_ksp_type bcgs -gw_pc_type sor -gw_ksp_rtol 1.e-16 -gw_ksp_max_it 10000</parameters>
      </petsc>
    </linear_solver>
  </linear_solvers>
  <test_definition>
    <vtkdiff>
      <file>slope_t_5_000000.vtu</file>
      <field>displacement</field>
      <absolute_tolerance>1e-2</absolute_tolerance>
      <relative_tolerance>0</relative_tolerance>
    </vtkdiff>
  </test_definition>
</OpenGeoSysProject>