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OGS
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<OpenGeoSysProject>
<meshes>
<mesh>SMA_2D.vtu</mesh>
<mesh>SMA_2D_arc.vtu</mesh>
<mesh>top_mesh.vtu</mesh>
<mesh>bottom_mesh.vtu</mesh>
<mesh>left_mesh.vtu</mesh>
<mesh>right_mesh.vtu</mesh>
</meshes>
<processes>
<process>
<name>HM</name>
<type>HYDRO_MECHANICS</type>
<integration_order>2</integration_order>
<constitutive_relation id="*">
<type>LinearElasticIsotropic</type>
<youngs_modulus>E</youngs_modulus>
<poissons_ratio>nu</poissons_ratio>
</constitutive_relation>
<process_variables>
<displacement>displacement</displacement>
<pressure>pressure</pressure>
</process_variables>
<secondary_variables>
<secondary_variable internal_name="sigma" output_name="sigma" />
<secondary_variable internal_name="epsilon" output_name="epsilon" />
<secondary_variable internal_name="velocity" output_name="velocity" />
</secondary_variables>
<specific_body_force>0 -9.81</specific_body_force>
<initial_stress type="effective">sigma0</initial_stress>
</process>
</processes>
<media>
<medium id="*">
<phases>
<phase>
<type>Gas</type>
<properties>
<property>
<name>molar_mass</name>
<type>Constant</type>
<value>0.013</value>
</property>
<property>
<name>density</name>
<type>IdealGasLaw</type>
</property>
<property>
<name>viscosity</name>
<type>Constant</type>
<value>1.e-5</value>
</property>
</properties>
</phase>
<phase>
<type>Solid</type>
<properties>
<property>
<name>density</name>
<type>Constant</type>
<value>2.e3</value>
</property>
</properties>
</phase>
</phases>
<properties>
<property>
<name>permeability</name>
<type>Constant</type>
<value>1.e-21</value>
</property>
<property>
<name>biot_coefficient</name>
<type>Constant</type>
<value>1.0</value>
</property>
<property>
<name>porosity</name>
<type>Constant</type>
<value>0.1</value>
</property>
<property>
<name>reference_temperature</name>
<type>Constant</type>
<value>300.0</value>
</property>
</properties>
</medium>
</media>
<time_loop>
<processes>
<process ref="HM">
<nonlinear_solver>basic_newton</nonlinear_solver>
<convergence_criterion>
<type>PerComponentDeltaX</type>
<norm_type>NORM2</norm_type>
<abstols>1.e-06 1.e-08 1.e-08</abstols>
<reltols>1.e-06 1.e-05 1.e-05</reltols>
</convergence_criterion>
<time_discretization>
<type>BackwardEuler</type>
</time_discretization>
<time_stepping>
<type>IterationNumberBasedTimeStepping</type>
<t_initial>0.0</t_initial>
<t_end>8.64e6</t_end>
<initial_dt>70</initial_dt>
<minimum_dt>1e1</minimum_dt>
<maximum_dt>8.64e5</maximum_dt>
<number_iterations>1 4 15 20 40</number_iterations>
<multiplier>1.2 1.1 1.0 0.62 0.55</multiplier>
</time_stepping>
</process>
</processes>
<output>
<type>VTK</type>
<prefix>sma_HM_2D_excavation</prefix>
<suffix>ts{:gtime}</suffix>
<timesteps>
<pair>
<repeat>10</repeat>
<each_steps>10</each_steps>
</pair>
</timesteps>
<variables>
<variable>pressure</variable>
<variable>pressure_interpolated</variable>
<variable>velocity</variable>
<variable>displacement</variable>
<variable>sigma</variable>
<variable>epsilon</variable>
<variable>gas_density</variable>
<variable>MaterialIDs</variable>
</variables>
</output>
</time_loop>
<parameters>
<parameter>
<name>E</name>
<type>Constant</type>
<value>5e9</value>
</parameter>
<parameter>
<name>nu</name>
<type>Constant</type>
<value>.3</value>
</parameter>
<parameter>
<name>displacement0</name>
<type>Constant</type>
<values>0 0</values>
</parameter>
<parameter>
<name>zero</name>
<type>Constant</type>
<value>0</value>
</parameter>
<parameter>
<name>T0</name>
<type>Constant</type>
<value>300</value>
</parameter>
<parameter>
<name>sigma0</name>
<type>Function</type>
<expression>0.3* 0.9* 2000 * 9.81 * y/0.7</expression>
<expression>0.9* 2000 * 9.81 * y</expression>
<expression>0.3* 0.9* 2000 * 9.81 * y/0.7</expression>
<expression>0</expression>
</parameter>
<parameter>
<name>pg_0</name>
<type>Function</type>
<expression>1e+5 - 1000 * 9.81 * y</expression>
</parameter>
<parameter>
<name>pg_bc</name>
<type>Constant</type>
<value>1.0e+5</value>
</parameter>
</parameters>
<curves>
<curve>
<name>excavation_curve</name>
<coords>0 8.64e5 1e99</coords>
<values>0.0 6.5 6.5</values>
</curve>
</curves>
<process_variables>
<process_variable>
<name>displacement</name>
<components>2</components>
<order>1</order>
<initial_condition>displacement0</initial_condition>
<compensate_non_equilibrium_initial_residuum>true</compensate_non_equilibrium_initial_residuum>
<boundary_conditions>
<boundary_condition>
<mesh>left_mesh</mesh>
<type>Dirichlet</type>
<component>0</component>
<parameter>zero</parameter>
</boundary_condition>
<boundary_condition>
<mesh>right_mesh</mesh>
<type>Dirichlet</type>
<component>0</component>
<parameter>zero</parameter>
</boundary_condition>
<boundary_condition>
<mesh>bottom_mesh</mesh>
<type>Dirichlet</type>
<component>1</component>
<parameter>zero</parameter>
</boundary_condition>
</boundary_conditions>
<deactivated_subdomains>
<deactivated_subdomain>
<time_curve>excavation_curve</time_curve>
<ball>
<center>0 -857 0</center>
<radius>6.5</radius>
</ball>
<material_ids>0</material_ids>
</deactivated_subdomain>
</deactivated_subdomains>
</process_variable>
<process_variable>
<name>pressure</name>
<components>1</components>
<order>1</order>
<initial_condition>pg_0</initial_condition>
<boundary_conditions>
<boundary_condition>
<mesh>top_mesh</mesh>
<type>Dirichlet</type>
<component>0</component>
<parameter>pg_0</parameter>
</boundary_condition>
<boundary_condition>
<mesh>bottom_mesh</mesh>
<type>Dirichlet</type>
<component>0</component>
<parameter>pg_0</parameter>
</boundary_condition>
</boundary_conditions>
<deactivated_subdomains>
<deactivated_subdomain>
<time_curve>excavation_curve</time_curve>
<ball>
<center>0 -857 0</center>
<radius>6.5</radius>
</ball>
<material_ids>0</material_ids>
<boundary_parameter>pg_bc</boundary_parameter>
</deactivated_subdomain>
</deactivated_subdomains>
</process_variable>
</process_variables>
<nonlinear_solvers>
<nonlinear_solver>
<name>basic_newton</name>
<type>Newton</type>
<max_iter>300</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>sma_HM_2D_excavation_ts_.*.vtu</regex>
<field>pressure</field>
<absolute_tolerance>1.0e-8</absolute_tolerance>
<relative_tolerance>1e-12</relative_tolerance>
</vtkdiff>
<vtkdiff>
<regex>sma_HM_2D_excavation_ts_.*.vtu</regex>
<field>displacement</field>
<absolute_tolerance>1.0e-10</absolute_tolerance>
<relative_tolerance>0.0</relative_tolerance>
</vtkdiff>
<vtkdiff>
<regex>sma_HM_2D_excavation_ts_.*.vtu</regex>
<field>sigma</field>
<absolute_tolerance>3e-7</absolute_tolerance>
<relative_tolerance>2e-11</relative_tolerance>
</vtkdiff>
<vtkdiff>
<regex>sma_HM_2D_excavation_ts_.*.vtu</regex>
<field>epsilon</field>
<absolute_tolerance>1.0e-10</absolute_tolerance>
<relative_tolerance>0.0</relative_tolerance>
</vtkdiff>
</test_definition>
</OpenGeoSysProject>
1.12.0