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OGS
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OGS
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<OpenGeoSysProject>
<mesh>cube_1x1x1_hex_1e0.vtu</mesh>
<geometry>cube_1x1x1.gml</geometry>
<processes>
<process>
<name>HM</name>
<type>THERMO_HYDRO_MECHANICS</type>
<integration_order>2</integration_order>
<constitutive_relation>
<type>LinearElasticIsotropic</type>
<youngs_modulus>YoungModulus</youngs_modulus>
<poissons_ratio>PoissonRatio</poissons_ratio>
</constitutive_relation>
<initial_stress type="total">sigma0</initial_stress>
<process_variables>
<pressure>pressure</pressure>
<displacement>displacement</displacement>
<temperature>T</temperature>
</process_variables>
<specific_body_force>0 0.0 0.0</specific_body_force>
<secondary_variables>
<secondary_variable internal_name="sigma" output_name="sigma" />
</secondary_variables>
</process>
</processes>
<media>
<medium>
<phases>
<phase>
<type>AqueousLiquid</type>
<properties>
<property>
<name>specific_heat_capacity</name>
<type>Constant</type>
<value>1</value>
</property>
<property>
<name>thermal_conductivity</name>
<type>Constant</type>
<value>1.</value>
</property>
<property>
<name>density</name>
<type>Constant</type>
<value>1e+3</value>
</property>
<property>
<name>viscosity</name>
<type>Constant</type>
<value>1.0e-3</value>
</property>
</properties>
</phase>
<phase>
<type>Solid</type>
<properties>
<property>
<name>density</name>
<type>Constant</type>
<value>0.0</value>
</property>
<property>
<name>thermal_conductivity</name>
<type>Constant</type>
<value>0.0</value>
</property>
<property>
<name>specific_heat_capacity</name>
<type>Constant</type>
<value>0.0</value>
</property>
<property>
<name>thermal_expansivity</name>
<type>Constant</type>
<value>0.0</value>
</property>
</properties>
</phase>
</phases>
<properties>
<property>
<name>porosity</name>
<type>Constant</type>
<value>0.2</value>
</property>
<property>
<name>biot_coefficient</name>
<type>Constant</type>
<value>0.8</value>
</property>
<property>
<name>permeability</name>
<type>Constant</type>
<value>1.0e-9</value>
</property>
<property>
<name>reference_temperature</name>
<type>Constant</type>
<value>293.15</value>
</property>
<property>
<name>thermal_conductivity</name>
<type>EffectiveThermalConductivityPorosityMixing</type>
</property>
</properties>
</medium>
</media>
<parameters>
<parameter>
<name>YoungModulus</name>
<type>Constant</type>
<value>1.e9</value>
</parameter>
<parameter>
<name>PoissonRatio</name>
<type>Constant</type>
<value>0.40</value>
</parameter>
<parameter>
<name>p0</name>
<type>Constant</type>
<values>1e+6</values>
</parameter>
<parameter>
<name>T0</name>
<type>Constant</type>
<value>293.0</value>
</parameter>
<parameter>
<name>u0</name>
<type>Constant</type>
<values>0.0 0.0 0.0</values>
</parameter>
<parameter>
<name>zero</name>
<type>Constant</type>
<value>0</value>
</parameter>
<parameter>
<name>sigma0</name>
<type>Constant</type>
<values>-0.8e6 -0.8e6 -2.0e6 0.0 0.0 0.0</values>
</parameter>
<parameter>
<name>load</name>
<type>Constant</type>
<value>-2e+6</value>
</parameter>
</parameters>
<process_variables>
<process_variable>
<name>pressure</name>
<components>1</components>
<order>1</order>
<initial_condition>p0</initial_condition>
<boundary_conditions>
<boundary_condition>
<geometrical_set>cube_1x1x1_geometry</geometrical_set>
<geometry>top</geometry>
<type>Dirichlet</type>
<parameter>p0</parameter>
</boundary_condition>
<boundary_condition>
<geometrical_set>cube_1x1x1_geometry</geometrical_set>
<geometry>bottom</geometry>
<type>Dirichlet</type>
<parameter>p0</parameter>
</boundary_condition>
</boundary_conditions>
</process_variable>
<process_variable>
<name>displacement</name>
<components>3</components>
<order>1</order>
<initial_condition>u0</initial_condition>
<boundary_conditions>
<boundary_condition>
<geometrical_set>cube_1x1x1_geometry</geometrical_set>
<geometry>top</geometry>
<type>Neumann</type>
<component>2</component>
<parameter>load</parameter>
</boundary_condition>
<boundary_condition>
<geometrical_set>cube_1x1x1_geometry</geometrical_set>
<geometry>left</geometry>
<type>Dirichlet</type>
<component>0</component>
<parameter>zero</parameter>
</boundary_condition>
<boundary_condition>
<geometrical_set>cube_1x1x1_geometry</geometrical_set>
<geometry>right</geometry>
<type>Dirichlet</type>
<component>0</component>
<parameter>zero</parameter>
</boundary_condition>
<boundary_condition>
<geometrical_set>cube_1x1x1_geometry</geometrical_set>
<geometry>front</geometry>
<type>Dirichlet</type>
<component>1</component>
<parameter>zero</parameter>
</boundary_condition>
<boundary_condition>
<geometrical_set>cube_1x1x1_geometry</geometrical_set>
<geometry>back</geometry>
<type>Dirichlet</type>
<component>1</component>
<parameter>zero</parameter>
</boundary_condition>
<boundary_condition>
<geometrical_set>cube_1x1x1_geometry</geometrical_set>
<geometry>bottom</geometry>
<type>Dirichlet</type>
<component>2</component>
<parameter>zero</parameter>
</boundary_condition>
</boundary_conditions>
</process_variable>
<process_variable>
<name>T</name>
<components>1</components>
<order>1</order>
<initial_condition>T0</initial_condition>
<boundary_conditions>
<boundary_condition>
<mesh>cube_1x1x1_hex_1e0</mesh>
<type>Dirichlet</type>
<parameter>T0</parameter>
</boundary_condition>
</boundary_conditions>
</process_variable>
</process_variables>
<time_loop>
<processes>
<process ref="HM">
<nonlinear_solver>basic_newton</nonlinear_solver>
<convergence_criterion>
<type>PerComponentDeltaX</type>
<norm_type>NORM2</norm_type>
<abstols>1e-9 1e-9 1e-9 1e-9 1e-9</abstols>
</convergence_criterion>
<time_discretization>
<type>BackwardEuler</type>
</time_discretization>
<time_stepping>
<type>FixedTimeStepping</type>
<t_initial>0</t_initial>
<t_end>1e6</t_end>
<timesteps>
<pair>
<repeat>1</repeat>
<delta_t>1e6</delta_t>
</pair>
</timesteps>
</time_stepping>
</process>
</processes>
<output>
<type>VTK</type>
<prefix>total_initial_stress_HM</prefix>
<timesteps>
<pair>
<repeat>1</repeat>
<each_steps>1</each_steps>
</pair>
</timesteps>
<variables>
<variable>displacement</variable>
<variable>pressure</variable>
<variable>sigma</variable>
</variables>
<suffix>ts{:timestep}_t_{:time}</suffix>
</output>
</time_loop>
<nonlinear_solvers>
<nonlinear_solver>
<name>basic_newton</name>
<type>Newton</type>
<max_iter>10</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>
</OpenGeoSysProject>
1.12.0