<OpenGeoSysProject>
  <meshes>
    <mesh axially_symmetric="false">cube_1e0_1x1x1_hex20.vtu</mesh>
    <mesh axially_symmetric="false">cube_1e0_1x1x1_hex20_whole_surface.vtu</mesh>
    <mesh axially_symmetric="false">cube_1e0_1x1x1_hex20_x0.vtu</mesh>
    <mesh axially_symmetric="false">cube_1e0_1x1x1_hex20_y0.vtu</mesh>
    <mesh axially_symmetric="false">cube_1e0_1x1x1_hex20_z0.vtu</mesh>
    <mesh axially_symmetric="false">cube_1e0_1x1x1_hex20_x1.vtu</mesh>
    <mesh axially_symmetric="false">cube_1e0_1x1x1_hex20_y1.vtu</mesh>
    <mesh axially_symmetric="false">cube_1e0_1x1x1_hex20_z1.vtu</mesh>
  </meshes>
  <processes>
    <process>
      <name>TRM</name>
      <type>THERMO_RICHARDS_MECHANICS</type>
      <subtype>StressSaturation_StrainPressureTemperature</subtype>
      <integration_order>3</integration_order>
      <constitutive_relation>
        <type>MFront</type>
        <behaviour>ThermoPoroElasticity</behaviour>
        <material_properties>
          <material_property name="YoungModulus" parameter="E" />
          <material_property name="PoissonRatio" parameter="nu" />
          <material_property name="ThermalExpansion" parameter="alpha" />
          <material_property name="BiotCoefficient" parameter="alpha_B" />
          <material_property name="BishopsExponent" parameter="m_chi" />
          <material_property name="ResidualLiquidSaturation" parameter="S_L_res" />
          <material_property name="ResidualGasSaturation" parameter="S_G_res" />
          <material_property name="BubblePressure" parameter="p_b" />
          <material_property name="VanGenuchtenExponent_m" parameter="m_S" />
        </material_properties>
      </constitutive_relation>
      <process_variables>
        <temperature>temperature</temperature>
        <pressure>pressure</pressure>
        <displacement>displacement</displacement>
      </process_variables>
      <secondary_variables>
        <secondary_variable name="sigma_total" />
        <secondary_variable name="epsilon" />
      </secondary_variables>
      <specific_body_force>0 0 0</specific_body_force>
    </process>
  </processes>
  <media>
    <medium id="0">
      <phases>
        <phase>
          <type>AqueousLiquid</type>
          <properties>
            <property>
              <name>specific_heat_capacity</name>
              <type>Constant</type>
              <value>4280.0</value>
            </property>
            <property>
              <name>thermal_conductivity</name>
              <type>Constant</type>
              <value>0.6</value>
            </property>
            <property>
              <name>density</name>
              <type>Constant</type>
              <value>999.1</value>
            </property>
            <property>
              <name>thermal_expansivity</name>
              <type>Constant</type>
              <value>1e-5</value>
            </property>
            <property>
              <name>viscosity</name>
              <type>Constant</type>
              <value>1.e-3</value>
            </property>
          </properties>
        </phase>
        <phase>
          <type>Solid</type>
          <properties>
            <property>
              <name>density</name>
              <type>Constant</type>
              <value>2290</value>
            </property>
            <property>
              <name>thermal_conductivity</name>
              <type>Constant</type>
              <value>1.838</value>
            </property>
            <property>
              <name>specific_heat_capacity</name>
              <type>Constant</type>
              <value>917.654</value>
            </property>
            <property>
              <name>thermal_expansivity</name>
              <type>Constant</type>
              <value>1e-5</value>
            </property>
          </properties>
        </phase>
      </phases>
      <properties>
        <property>
          <name>saturation</name>
          <type>SaturationVanGenuchten</type>
          <residual_liquid_saturation>0.0</residual_liquid_saturation>
          <residual_gas_saturation>0.0</residual_gas_saturation>
          <exponent>0.4</exponent>
          <p_b>5e5</p_b>
        </property>
        <property>
          <name>relative_permeability</name>
          <type>Constant</type>
          <value>1</value>
        </property>
        <property>
          <name>permeability</name>
          <type>Function</type>
          <value>
            <expression>2e-20 + volumetric_strain - volumetric_strain</expression>
          </value>
        </property>
        <property>
          <name>porosity</name>
          <type>Constant</type>
          <value>0.16</value>
        </property>
        <property>
          <name>bishops_effective_stress</name>
          <type>BishopsPowerLaw</type>
          <exponent>1.0</exponent>
        </property>
        <property>
          <name>biot_coefficient</name>
          <type>Constant</type>
          <value>1.0</value>
        </property>
        <property>
          <name>thermal_conductivity</name>
          <type>EffectiveThermalConductivityPorosityMixing</type>
        </property>
      </properties>
    </medium>
  </media>
  <time_loop>
    <processes>
      <process ref="TRM">
        <nonlinear_solver>basic_newton</nonlinear_solver>
        <convergence_criterion>
          <type>PerComponentDeltaX</type>
          <norm_type>NORM2</norm_type>
          <abstols>1e-6 1e-6 1e-6 1e-6 1e-6</abstols>
        </convergence_criterion>
        <time_discretization>
          <type>BackwardEuler</type>
        </time_discretization>
        <time_stepping>
          <type>FixedTimeStepping</type>
          <t_initial>0</t_initial>
          <t_end>3</t_end>
          <timesteps>
            <pair>
              <repeat>1</repeat>
              <delta_t>0.01</delta_t>
            </pair>
          </timesteps>
        </time_stepping>
      </process>
    </processes>
    <output>
      <type>VTK</type>
      <prefix>uniaxial_isothermal_drainage_imbibition_extended_mfront_model</prefix>
      <timesteps>
        <pair>
          <repeat>1</repeat>
          <each_steps>1</each_steps>
        </pair>
      </timesteps>
      <variables>
        <variable>displacement</variable>
        <variable>pressure</variable>
        <variable>temperature</variable>
        <variable>saturation</variable>
        <variable>sigma_total</variable>
        <variable>epsilon</variable>
        <variable>pressure_interpolated</variable>
        <variable>temperature_interpolated</variable>
        <variable>saturation_avg</variable>
      </variables>
      <suffix>ts{:timestep}_t_{:time}</suffix>
    </output>
  </time_loop>
  <parameters>
    <parameter>
      <name>E</name>
      <type>Constant</type>
      <value>10e9</value>
    </parameter>
    <parameter>
      <name>nu</name>
      <type>Constant</type>
      <value>0.3</value>
    </parameter>
    <parameter>
      <name>alpha</name>
      <type>Constant</type>
      <value>1e-5</value>
    </parameter>
    <parameter>
      <name>alpha_B</name>
      <type>Constant</type>
      <value>1</value>
    </parameter>
    <parameter>
      <name>m_chi</name>
      <type>Constant</type>
      <value>1</value>
    </parameter>
    <parameter>
      <name>S_L_res</name>
      <type>Constant</type>
      <value>0</value>
    </parameter>
    <parameter>
      <name>S_G_res</name>
      <type>Constant</type>
      <value>0</value>
    </parameter>
    <parameter>
      <name>p_b</name>
      <type>Constant</type>
      <value>5e5</value>
    </parameter>
    <parameter>
      <name>m_S</name>
      <type>Constant</type>
      <value>0.4</value>
    </parameter>
    <parameter>
      <name>displacement0</name>
      <type>Constant</type>
      <values>0 0 0</values>
    </parameter>
    <parameter>
      <name>pressure_ic</name>
      <type>Constant</type>
      <values>0</values>
    </parameter>
    <parameter>
      <name>temperature_ic</name>
      <type>Constant</type>
      <value>293</value>
    </parameter>
    <parameter>
      <name>zero</name>
      <type>Constant</type>
      <value>0</value>
    </parameter>
    <parameter>
      <name>one</name>
      <type>Constant</type>
      <value>1</value>
    </parameter>
    <parameter>
      <name>pressure_bc</name>
      <type>CurveScaled</type>
      <curve>p_curve</curve>
      <parameter>one</parameter>
    </parameter>
    <parameter>
      <name>stress_xx</name>
      <type>CurveScaled</type>
      <curve>sigma_curve</curve>
      <parameter>one</parameter>
    </parameter>
  </parameters>
  <curves>
    <curve>
      <name>p_curve</name>
      <coords>0.0 1.0 2.0 3.0</coords>
      <values>0.0 -1e7 0.0 1e6</values>
    </curve>
    <curve>
      <name>sigma_curve</name>
      <coords>0.0 2.0 3.0</coords>
      <values>0.0 0.0 -1e6</values>
    </curve>
  </curves>
  <process_variables>
    <process_variable>
      <name>displacement</name>
      <components>3</components>
      <order>2</order>
      <initial_condition>displacement0</initial_condition>
      <boundary_conditions>
        <boundary_condition>
          <mesh>cube_1e0_1x1x1_hex20_x0</mesh>
          <type>Dirichlet</type>
          <component>0</component>
          <parameter>zero</parameter>
        </boundary_condition>
        <boundary_condition>
          <mesh>cube_1e0_1x1x1_hex20_y0</mesh>
          <type>Dirichlet</type>
          <component>1</component>
          <parameter>zero</parameter>
        </boundary_condition>
        <boundary_condition>
          <mesh>cube_1e0_1x1x1_hex20_z0</mesh>
          <type>Dirichlet</type>
          <component>2</component>
          <parameter>zero</parameter>
        </boundary_condition>
        <boundary_condition>
          <mesh>cube_1e0_1x1x1_hex20_x1</mesh>
          <type>Neumann</type>
          <component>0</component>
          <parameter>stress_xx</parameter>
        </boundary_condition>
        <boundary_condition>
          <mesh>cube_1e0_1x1x1_hex20_y1</mesh>
          <type>Dirichlet</type>
          <component>1</component>
          <parameter>zero</parameter>
        </boundary_condition>
        <boundary_condition>
          <mesh>cube_1e0_1x1x1_hex20_z1</mesh>
          <type>Dirichlet</type>
          <component>2</component>
          <parameter>zero</parameter>
        </boundary_condition>
      </boundary_conditions>
    </process_variable>
    <process_variable>
      <name>pressure</name>
      <components>1</components>
      <order>1</order>
      <initial_condition>pressure_ic</initial_condition>
      <boundary_conditions>
        <boundary_condition>
          <mesh>cube_1e0_1x1x1_hex20_whole_surface</mesh>
          <type>Dirichlet</type>
          <component>0</component>
          <parameter>pressure_bc</parameter>
        </boundary_condition>
      </boundary_conditions>
    </process_variable>
    <process_variable>
      <name>temperature</name>
      <components>1</components>
      <order>1</order>
      <initial_condition>temperature_ic</initial_condition>
      <boundary_conditions>
        <boundary_condition>
          <mesh>cube_1e0_1x1x1_hex20_whole_surface</mesh>
          <type>Dirichlet</type>
          <component>0</component>
          <parameter>temperature_ic</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>
      <eigen>
        <solver_type>SparseLU</solver_type>
        <scaling>1</scaling>
      </eigen>
      <petsc>
        <parameters>-ksp_type tfqmr
                    -pc_type jacobi
                    -ksp_rtol 1.e-10 -ksp_atol 1.e-7
                    -ksp_max_it 4000</parameters>
      </petsc>
    </linear_solver>
  </linear_solvers>
</OpenGeoSysProject>