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OGS
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OGS
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<OpenGeoSysProject>
<meshes>
<mesh axially_symmetric="true">square_1x1_quad_1e0.vtu</mesh>
<mesh axially_symmetric="true">square_1x1_quad_1e0_left.vtu</mesh>
<mesh axially_symmetric="true">square_1x1_quad_1e0_right.vtu</mesh>
<mesh axially_symmetric="true">square_1x1_quad_1e0_top.vtu</mesh>
<mesh axially_symmetric="true">square_1x1_quad_1e0_bottom.vtu</mesh>
</meshes>
<processes>
<process>
<name>RM</name>
<type>RICHARDS_MECHANICS</type>
<integration_order>2</integration_order>
<jacobian_assembler>
<type>Analytical</type>
</jacobian_assembler>
<constitutive_relation>
<type>MFront</type>
<behaviour>ModCamClay_semiExpl_constE</behaviour>
<material_properties>
<material_property name="YoungModulus" parameter="YoungModulus" />
<material_property name="PoissonRatio" parameter="PoissonRatio" />
<material_property name="CriticalStateLineSlope" parameter="CriticalStateLineSlope" />
<material_property name="SwellingLineSlope" parameter="SwellingLineSlope" />
<material_property name="VirginConsolidationLineSlope" parameter="VirginConsolidationLineSlope" />
<material_property name="CharacteristicPreConsolidationPressure" parameter="InitialPreConsolidationPressure" />
</material_properties>
<initial_values>
<state_variable name="PreConsolidationPressure" parameter="InitialPreConsolidationPressure" />
<state_variable name="VolumeRatio" parameter="InitialVolumeRatio" />
</initial_values>
</constitutive_relation>
<process_variables>
<pressure>pressure</pressure>
<displacement>displacement</displacement>
</process_variables>
<secondary_variables>
<secondary_variable internal_name="ElasticStrain" output_name="ElasticStrain" />
<secondary_variable internal_name="EquivalentPlasticStrain" output_name="EquivalentPlasticStrain" />
<secondary_variable internal_name="PreConsolidationPressure" output_name="PreConsolidationPressure" />
<secondary_variable internal_name="PlasticVolumetricStrain" output_name="PlasticVolumetricStrain" />
<secondary_variable internal_name="sigma" output_name="sigma" />
<secondary_variable internal_name="swelling_stress" output_name="swelling_stress" />
<secondary_variable internal_name="epsilon" output_name="epsilon" />
<secondary_variable internal_name="velocity" output_name="velocity" />
<secondary_variable internal_name="saturation" output_name="saturation" />
<secondary_variable internal_name="VolumeRatio" output_name="VolumeRatio" />
<secondary_variable internal_name="transport_porosity" output_name="transport_porosity" />
<secondary_variable internal_name="dry_density_solid" output_name="dry_density_solid" />
</secondary_variables>
<specific_body_force>0 0</specific_body_force>
<initial_stress>sigma0</initial_stress>
<explicit_hm_coupling_in_unsaturated_zone>false</explicit_hm_coupling_in_unsaturated_zone>
<mass_lumping>true</mass_lumping>
</process>
</processes>
<media>
<medium>
<phases>
<phase>
<type>AqueousLiquid</type>
<properties>
<property>
<name>viscosity</name>
<type>Constant</type>
<value>1e-3</value>
</property>
<property>
<name>density</name>
<type>Constant</type>
<value>1e3</value>
</property>
</properties>
</phase>
<phase>
<type>Solid</type>
<properties>
<property>
<name>density</name>
<type>Constant</type>
<value>2780.0</value>
</property>
</properties>
</phase>
</phases>
<properties>
<property>
<name>permeability</name>
<type>Constant</type>
<value>1e-12</value>
</property>
<property>
<name>porosity</name>
<type>PorosityFromMassBalance</type>
<initial_porosity>phi0</initial_porosity>
<minimal_porosity>0</minimal_porosity>
<maximal_porosity>1</maximal_porosity>
</property>
<property>
<name>reference_temperature</name>
<type>Constant</type>
<value>293.15</value>
</property>
<property>
<name>relative_permeability</name>
<type>RelativePermeabilityVanGenuchten</type>
<residual_liquid_saturation>0.0</residual_liquid_saturation>
<residual_gas_saturation>0</residual_gas_saturation>
<exponent>0.01</exponent>
<minimum_relative_permeability_liquid>1e-2</minimum_relative_permeability_liquid>
</property>
<property>
<name>saturation</name>
<type>SaturationVanGenuchten</type>
<residual_liquid_saturation>0.0</residual_liquid_saturation>
<residual_gas_saturation>0</residual_gas_saturation>
<exponent>0.4</exponent>
<p_b>1e4</p_b>
</property>
<property>
<name>bishops_effective_stress</name>
<type>BishopsPowerLaw</type>
<exponent>1</exponent>
</property>
<property>
<name>biot_coefficient</name>
<type>Constant</type>
<value>1.0</value>
</property>
</properties>
</medium>
</media>
<time_loop>
<processes>
<process ref="RM">
<nonlinear_solver>basic_newton</nonlinear_solver>
<convergence_criterion>
<type>PerComponentDeltaX</type>
<norm_type>NORM2</norm_type>
<reltols>1e-10 1e0 1e-9</reltols>
</convergence_criterion>
<time_discretization>
<type>BackwardEuler</type>
</time_discretization>
<time_stepping>
<type>IterationNumberBasedTimeStepping</type>
<t_initial>0</t_initial>
<t_end>1000</t_end>
<initial_dt>1000</initial_dt>
<minimum_dt>100</minimum_dt>
<maximum_dt>1000</maximum_dt>
<number_iterations>1 5 10 15</number_iterations>
<multiplier>1.2 1.0 0.8 0.6</multiplier>
</time_stepping>
</process>
</processes>
<output>
<type>VTK</type>
<prefix>mfront_restart_part1</prefix>
<suffix>ts{:timestep}_t_{:time}</suffix>
<timesteps>
<pair>
<repeat>1</repeat>
<each_steps>1</each_steps>
</pair>
</timesteps>
<variables />
</output>
</time_loop>
<parameters>
<parameter>
<name>sigma0</name>
<type>Function</type>
<expression>-5e3</expression>
<expression>-5e3</expression>
<expression>-5e3</expression>
<expression>0</expression>
</parameter>
<parameter>
<name>YoungModulus</name>
<type>Constant</type>
<value>52e6</value>
</parameter>
<parameter>
<name>PoissonRatio</name>
<type>Constant</type>
<value>0.3</value>
</parameter>
<parameter>
<name>CriticalStateLineSlope</name>
<type>Constant</type>
<value>1.2</value>
</parameter>
<parameter>
<name>SwellingLineSlope</name>
<type>Constant</type>
<value>6.6e-3</value>
</parameter>
<parameter>
<name>VirginConsolidationLineSlope</name>
<type>Constant</type>
<value>7.7e-2</value>
</parameter>
<parameter>
<name>InitialPreConsolidationPressure</name>
<type>Constant</type>
<value>2e5</value>
</parameter>
<parameter>
<name>InitialVolumeRatio</name>
<type>Constant</type>
<value>1.78571428571428571429</value>
</parameter>
<parameter>
<name>displacement0</name>
<type>Constant</type>
<values>0 0</values>
</parameter>
<parameter>
<name>zero</name>
<type>Constant</type>
<value>0.0</value>
</parameter>
<parameter>
<name>phi0</name>
<type>Constant</type>
<value>0.432</value>
</parameter>
<parameter>
<name>top_pressure</name>
<type>Constant</type>
<value>-1e5</value>
</parameter>
<parameter>
<name>pressure_ic</name>
<type>Constant</type>
<value>-5e3</value>
</parameter>
</parameters>
<process_variables>
<process_variable>
<name>displacement</name>
<components>2</components>
<order>1</order>
<initial_condition>displacement0</initial_condition>
<boundary_conditions>
<boundary_condition>
<mesh>square_1x1_quad_1e0_left</mesh>
<type>Dirichlet</type>
<component>0</component>
<parameter>zero</parameter>
</boundary_condition>
<boundary_condition>
<mesh>square_1x1_quad_1e0_bottom</mesh>
<type>Dirichlet</type>
<component>1</component>
<parameter>zero</parameter>
</boundary_condition>
<boundary_condition>
<mesh>square_1x1_quad_1e0_top</mesh>
<type>Neumann</type>
<component>1</component>
<parameter>top_pressure</parameter>
</boundary_condition>
<boundary_condition>
<mesh>square_1x1_quad_1e0_right</mesh>
<type>Dirichlet</type>
<component>0</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>square_1x1_quad_1e0_top</mesh>
<type>Dirichlet</type>
<parameter>pressure_ic</parameter>
</boundary_condition>
</boundary_conditions>
</process_variable>
</process_variables>
<nonlinear_solvers>
<nonlinear_solver>
<name>basic_newton</name>
<type>Newton</type>
<max_iter>60</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>true</scaling>
</eigen>
</linear_solver>
</linear_solvers>
<test_definition>
<vtkdiff>
<regex>mfront_restart_part1_ts_.*_t_.*.vtu</regex>
<field>displacement</field>
<absolute_tolerance>2e-14</absolute_tolerance>
<relative_tolerance>0</relative_tolerance>
</vtkdiff>
<vtkdiff>
<regex>mfront_restart_part1_ts_.*_t_.*.vtu</regex>
<field>sigma</field>
<absolute_tolerance>1e-9</absolute_tolerance>
<relative_tolerance>0</relative_tolerance>
</vtkdiff>
<vtkdiff>
<regex>mfront_restart_part1_ts_.*_t_.*.vtu</regex>
<field>epsilon</field>
<absolute_tolerance>1e-15</absolute_tolerance>
<relative_tolerance>0</relative_tolerance>
</vtkdiff>
<vtkdiff>
<regex>mfront_restart_part1_ts_.*_t_.*.vtu</regex>
<field>pressure</field>
<absolute_tolerance>1e-15</absolute_tolerance>
<relative_tolerance>1e-15</relative_tolerance>
</vtkdiff>
<vtkdiff>
<regex>mfront_restart_part1_ts_.*_t_.*.vtu</regex>
<field>velocity</field>
<absolute_tolerance>1e-15</absolute_tolerance>
<relative_tolerance>1e-15</relative_tolerance>
</vtkdiff>
<vtkdiff>
<regex>mfront_restart_part1_ts_.*_t_.*.vtu</regex>
<field>MassFlowRate</field>
<absolute_tolerance>1e-15</absolute_tolerance>
<relative_tolerance>0</relative_tolerance>
</vtkdiff>
<vtkdiff>
<regex>mfront_restart_part1_ts_.*_t_.*.vtu</regex>
<field>NodalForces</field>
<absolute_tolerance>1e-10</absolute_tolerance>
<relative_tolerance>0</relative_tolerance>
</vtkdiff>
</test_definition>
</OpenGeoSysProject>
1.12.0