OGS
cube_1e0_SNES.prj
<OpenGeoSysProject>
  <mesh>cube_1x1x1_hex_1e0.vtu</mesh>
  <geometry>cube_1x1x1.gml</geometry>
  <processes>
    <process>
      <name>SD</name>
      <type>SMALL_DEFORMATION</type>
      <integration_order>2</integration_order>
      <constitutive_relation>
        <type>Ehlers</type>
        <shear_modulus>G</shear_modulus>
        <bulk_modulus>K</bulk_modulus>
        <kappa>kappa</kappa>
        <beta>beta</beta>
        <gamma>gamma</gamma>
        <hardening_modulus>hard</hardening_modulus>
        <alpha>alpha</alpha>
        <delta>delta</delta>
        <eps>epsilon</eps>
        <m>m</m>
        <alphap>alphap</alphap>
        <deltap>deltap</deltap>
        <epsp>epsilonp</epsp>
        <mp>mp</mp>
        <betap>betap</betap>
        <gammap>gammap</gammap>
        <tangent_type>Plastic</tangent_type>
        <nonlinear_solver>
          <maximum_iterations>100</maximum_iterations>
          <residuum_tolerance>1e-14</residuum_tolerance>
          <increment_tolerance>0</increment_tolerance>
        </nonlinear_solver>
      </constitutive_relation>
      <solid_density>rho_sr</solid_density>
      <specific_body_force>0 0 0</specific_body_force>
      <process_variables>
        <process_variable>displacement</process_variable>
      </process_variables>
      <secondary_variables>
        <secondary_variable internal_name="sigma" output_name="sigma" />
        <secondary_variable internal_name="epsilon" output_name="epsilon" />
      </secondary_variables>
    </process>
  </processes>
  <time_loop>
    <processes>
      <process ref="SD">
        <nonlinear_solver>petsc_snes</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>5.1</t_end>
          <timesteps>
            <pair>
              <repeat>1</repeat>
              <delta_t>0.05</delta_t>
            </pair>
            <pair>
              <repeat>1000</repeat>
              <delta_t>0.025</delta_t>
            </pair>
          </timesteps>
        </time_stepping>
      </process>
    </processes>
    <output>
      <type>VTK</type>
      <prefix>cube_1e0</prefix>
      <timesteps>
        <pair>
          <repeat>10000000</repeat>
          <each_steps>1</each_steps>
        </pair>
      </timesteps>
      <variables>
        <variable>displacement</variable>
        <variable>sigma</variable>
        <variable>epsilon</variable>
      </variables>
      <suffix>ts{:timestep}_t_{:time}</suffix>
    </output>
  </time_loop>
  <parameters>
    <parameter>
      <name>G</name>
      <type>Constant</type>
      <value>150.</value>
    </parameter>
    <parameter>
      <name>K</name>
      <type>Constant</type>
      <value>200.</value>
    </parameter>
    <parameter>
      <name>kappa</name>
      <type>Constant</type>
      <value>0.1</value>
    </parameter>
    <parameter>
      <name>beta</name>
      <type>Constant</type>
      <value>0.095</value>
    </parameter>
    <parameter>
      <name>gamma</name>
      <type>Constant</type>
      <value>1.</value>
    </parameter>
    <parameter>
      <name>hard</name>
      <type>Constant</type>
      <value>0.</value>
    </parameter>
    <parameter>
      <name>alpha</name>
      <type>Constant</type>
      <value>0.01</value>
    </parameter>
    <parameter>
      <name>delta</name>
      <type>Constant</type>
      <value>0.0078</value>
    </parameter>
    <parameter>
      <name>epsilon</name>
      <type>Constant</type>
      <value>0.1</value>
    </parameter>
    <parameter>
      <name>m</name>
      <type>Constant</type>
      <value>0.54</value>
    </parameter>
    <parameter>
      <name>alphap</name>
      <type>Constant</type>
      <value>0.01</value>
    </parameter>
    <parameter>
      <name>deltap</name>
      <type>Constant</type>
      <value>0.0078</value>
    </parameter>
    <parameter>
      <name>epsilonp</name>
      <type>Constant</type>
      <value>0.1</value>
    </parameter>
    <parameter>
      <name>mp</name>
      <type>Constant</type>
      <value>0.54</value>
    </parameter>
    <parameter>
      <name>betap</name>
      <type>Constant</type>
      <value>0.0608</value>
    </parameter>
    <parameter>
      <name>gammap</name>
      <type>Constant</type>
      <value>1.</value>
    </parameter>
    <parameter>
      <name>rho_sr</name>
      <type>Constant</type>
      <value>1</value>
    </parameter>
    <parameter>
      <name>displacement0</name>
      <type>Constant</type>
      <values>0 0 0</values>
    </parameter>
    <parameter>
      <name>Dirichlet_left</name>
      <type>Constant</type>
      <value>0.</value>
    </parameter>
    <parameter>
      <name>Dirichlet_bottom</name>
      <type>Constant</type>
      <value>0.</value>
    </parameter>
    <parameter>
      <name>Dirichlet_front</name>
      <type>Constant</type>
      <value>0.</value>
    </parameter>
    <parameter>
      <name>Dirichlet_top_spatial</name>
      <type>Constant</type>
      <value>1</value>
    </parameter>
    <parameter>
      <name>Neumann_spatial</name>
      <type>Constant</type>
      <value>1</value>
    </parameter>
    <parameter>
      <name>Dirichlet_top</name>
      <type>CurveScaled</type>
      <curve>Dirichlet_top_temporal</curve>
      <parameter>Dirichlet_top_spatial</parameter>
    </parameter>
    <parameter>
      <name>Neumann_force_right</name>
      <type>CurveScaled</type>
      <curve>Neumann_temporal_right</curve>
      <parameter>Neumann_spatial</parameter>
    </parameter>
    <parameter>
      <name>Neumann_force_top</name>
      <type>CurveScaled</type>
      <curve>Neumann_temporal_top</curve>
      <parameter>Neumann_spatial</parameter>
    </parameter>
  </parameters>
  <curves>
    <curve>
      <name>Dirichlet_top_temporal</name>
      <coords>0.0 0.1 5.1</coords>
      <values>0.0 0.0 -0.005</values>
    </curve>
    <curve>
      <name>Neumann_temporal_right</name>
      <coords>0.0 0.1 5.1</coords>
      <values>0.0 -0.07 -0.02</values>
    </curve>
    <curve>
      <name>Neumann_temporal_top</name>
      <coords>0.0 0.1 5.1</coords>
      <values>0 -0.07 -0.02</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>
          <geometrical_set>cube_1x1x1_geometry</geometrical_set>
          <geometry>left</geometry>
          <type>Dirichlet</type>
          <component>0</component>
          <parameter>Dirichlet_left</parameter>
        </boundary_condition>
        <boundary_condition>
          <geometrical_set>cube_1x1x1_geometry</geometrical_set>
          <geometry>front</geometry>
          <type>Dirichlet</type>
          <component>1</component>
          <parameter>Dirichlet_front</parameter>
        </boundary_condition>
        <boundary_condition>
          <geometrical_set>cube_1x1x1_geometry</geometrical_set>
          <geometry>bottom</geometry>
          <type>Dirichlet</type>
          <component>2</component>
          <parameter>Dirichlet_bottom</parameter>
        </boundary_condition>
        <boundary_condition>
          <geometrical_set>cube_1x1x1_geometry</geometrical_set>
          <geometry>right</geometry>
          <type>Neumann</type>
          <component>0</component>
          <parameter>Neumann_force_right</parameter>
        </boundary_condition>
        <boundary_condition>
          <geometrical_set>cube_1x1x1_geometry</geometrical_set>
          <geometry>back</geometry>
          <type>Dirichlet</type>
          <component>1</component>
          <parameter>Dirichlet_top</parameter>
        </boundary_condition>
        <boundary_condition>
          <geometrical_set>cube_1x1x1_geometry</geometrical_set>
          <geometry>top</geometry>
          <type>Neumann</type>
          <component>2</component>
          <parameter>Neumann_force_top</parameter>
        </boundary_condition>
      </boundary_conditions>
    </process_variable>
  </process_variables>
  <nonlinear_solvers>
    <nonlinear_solver>
      <name>petsc_snes</name>
      <type>PETScSNES</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>
      <petsc>
        <parameters>-snes_type newtonls -snes_rtol 1e-16 -ksp_type cg -pc_type bjacobi -ksp_rtol 1e-16</parameters>
      </petsc>
    </linear_solver>
  </linear_solvers>
  <test_definition>
    <vtkdiff>
      <file>cube_1e0_ts_101_t_2.550000.vtu</file>
      <field>displacement</field>
      <absolute_tolerance>1e-14</absolute_tolerance>
      <relative_tolerance>0</relative_tolerance>
    </vtkdiff>
    <vtkdiff>
      <file>cube_1e0_ts_101_t_2.550000.vtu</file>
      <field>sigma</field>
      <absolute_tolerance>1e-15</absolute_tolerance>
      <relative_tolerance>0</relative_tolerance>
    </vtkdiff>
    <vtkdiff>
      <file>cube_1e0_ts_203_t_5.100000.vtu</file>
      <field>displacement</field>
      <absolute_tolerance>1e-14</absolute_tolerance>
      <relative_tolerance>0</relative_tolerance>
    </vtkdiff>
    <vtkdiff>
      <file>cube_1e0_ts_203_t_5.100000.vtu</file>
      <field>sigma</field>
      <absolute_tolerance>2e-15</absolute_tolerance>
      <relative_tolerance>0</relative_tolerance>
    </vtkdiff>
  </test_definition>
</OpenGeoSysProject>