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OGS
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OGS
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<OpenGeoSysProject>
<geometry>square_1x1.gml</geometry>
<mesh>square_1x1_quad8_1e2.vtu</mesh>
<processes>
<process>
<name>BodyForceTest</name>
<type>THERMO_RICHARDS_MECHANICS</type>
<mass_lumping>false</mass_lumping>
<integration_order>3</integration_order>
<constitutive_relation id="0">
<type>LinearElasticIsotropic</type>
<youngs_modulus>YoungsModulusClay</youngs_modulus>
<poissons_ratio>PoissonsRatioClay</poissons_ratio>
</constitutive_relation>
<process_variables>
<temperature>temperature</temperature>
<pressure>pressure</pressure>
<displacement>displacement</displacement>
</process_variables>
<secondary_variables>
<secondary_variable internal_name="saturation" output_name="saturation" />
<secondary_variable internal_name="sigma" output_name="sigma" />
<secondary_variable internal_name="epsilon" output_name="epsilon" />
</secondary_variables>
<specific_body_force>0 -9.81</specific_body_force>
<apply_body_force_for_deformation>false</apply_body_force_for_deformation>
<initial_stress>Initial_stress</initial_stress>
</process>
</processes>
<media>
<medium id="0">
<phases>
<phase>
<type>AqueousLiquid</type>
<properties>
<property>
<name>bulk_modulus</name>
<type>Constant</type>
<value>2.15e9</value>
</property>
<property>
<name>specific_heat_capacity</name>
<type>Constant</type>
<value>4181.3</value>
</property>
<property>
<name>density</name>
<type>Linear</type>
<reference_value>999.1</reference_value>
<independent_variable>
<variable_name>liquid_phase_pressure</variable_name>
<reference_condition>1.0e5</reference_condition>
<slope>4.6511627906976743e-10</slope>
</independent_variable>
</property>
<property>
<name>viscosity</name>
<type>Constant</type>
<value>0.001</value>
</property>
<property>
<name>thermal_expansivity</name>
<type>Constant</type>
<value>4e-4</value>
</property>
</properties>
</phase>
<phase>
<type>Solid</type>
<properties>
<property>
<name>specific_heat_capacity</name>
<type>Constant</type>
<value>995</value>
</property>
<property>
<name>thermal_expansivity</name>
<type>Constant</type>
<value>1.5e-5</value>
</property>
<property>
<name>density</name>
<type>Constant</type>
<value>2689.65517241379</value>
</property>
</properties>
</phase>
</phases>
<properties>
<property>
<name>thermal_conductivity</name>
<type>Constant</type>
<value>1.5</value>
</property>
<property>
<name>porosity</name>
<type>Constant</type>
<value>0.13</value>
</property>
<property>
<name>biot_coefficient</name>
<type>Constant</type>
<value>1</value>
</property>
<property>
<name>permeability</name>
<type>Parameter</type>
<parameter_name>IntrinsicPermClay</parameter_name>
</property>
<property>
<name>relative_permeability</name>
<type>RelativePermeabilityVanGenuchten</type>
<residual_liquid_saturation>0</residual_liquid_saturation>
<residual_gas_saturation>0</residual_gas_saturation>
<exponent>0.6</exponent>
<minimum_relative_permeability_liquid>1e-6</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>0.6</exponent>
<p_b>20000000</p_b>
</property>
<property>
<name>bishops_effective_stress</name>
<type>BishopsSaturationCutoff</type>
<cutoff_value>1.0</cutoff_value>
</property>
</properties>
</medium>
</media>
<time_loop>
<processes>
<process ref="BodyForceTest">
<nonlinear_solver>basic_newton</nonlinear_solver>
<convergence_criterion>
<type>DeltaX</type>
<norm_type>NORM2</norm_type>
<reltol>1e-12</reltol>
</convergence_criterion>
<time_discretization>
<type>BackwardEuler</type>
</time_discretization>
<time_stepping>
<type>FixedTimeStepping</type>
<t_initial>0</t_initial>
<t_end>864000</t_end>
<timesteps>
<pair>
<repeat>1826</repeat>
<delta_t>86400</delta_t>
</pair>
<pair>
<repeat>1</repeat>
<delta_t>21600</delta_t>
</pair>
</timesteps>
</time_stepping>
</process>
</processes>
<output>
<type>VTK</type>
<prefix>dont_apply_body_force_for_deformation</prefix>
<suffix>ts{:timestep}_t_{:time}</suffix>
<timesteps>
<pair>
<repeat>1000</repeat>
<each_steps>10</each_steps>
</pair>
</timesteps>
<variables>
<variable>temperature</variable>
<variable>displacement</variable>
<variable>pressure</variable>
<variable>sigma</variable>
<variable>epsilon</variable>
<variable>saturation</variable>
</variables>
</output>
</time_loop>
<local_coordinate_system>
<basis_vector_0>b0</basis_vector_0>
<basis_vector_1>b1</basis_vector_1>
</local_coordinate_system>
<parameters>
<parameter>
<name>b0</name>
<type>Constant</type>
<values>0.829037572555041692 0.55919290347074683016</values>
</parameter>
<parameter>
<name>b1</name>
<type>Constant</type>
<values>-0.55919290347074683016 0.829037572555041692</values>
</parameter>
<parameter>
<name>ThermalConductivityClay</name>
<type>Constant</type>
<values>2.75862068965517 0 0 1.49425287356322</values>
<use_local_coordinate_system>true</use_local_coordinate_system>
</parameter>
<parameter>
<name>IntrinsicPermClay</name>
<type>Constant</type>
<values>1e-20 0 0 1e-20</values>
<use_local_coordinate_system>false</use_local_coordinate_system>
</parameter>
<parameter>
<name>YoungsModulusClay</name>
<type>Constant</type>
<value>8e9</value>
</parameter>
<parameter>
<name>PoissonsRatioClay</name>
<type>Constant</type>
<value>0.35</value>
</parameter>
<parameter>
<mesh>square_1x1_quad8_1e2</mesh>
<name>Initial_stress</name>
<type>Function</type>
<expression>-2.5e6+-1.0e4*y</expression>
<expression>-0.5e6+-1.0e4*y</expression>
<expression>-4.0e6+-1.0e4*y</expression>
<expression>0.0</expression>
</parameter>
<parameter>
<name>displacement_ic</name>
<type>Constant</type>
<values>0 0</values>
</parameter>
<parameter>
<name>pressure_ic</name>
<type>Function</type>
<expression>2.e6+-1.0e4*y</expression>
</parameter>
<parameter>
<name>pressure_high</name>
<type>Constant</type>
<value>2.0e6</value>
</parameter>
<parameter>
<name>pressure_low</name>
<type>Constant</type>
<value>1.99e6</value>
</parameter>
<parameter>
<name>temperature_ic</name>
<type>Constant</type>
<values>288.15</values>
</parameter>
<parameter>
<name>dirichlet</name>
<type>Constant</type>
<values>0</values>
</parameter>
</parameters>
<process_variables>
<process_variable>
<name>displacement</name>
<components>2</components>
<order>2</order>
<initial_condition>displacement_ic</initial_condition>
<boundary_conditions>
<boundary_condition>
<geometrical_set>square_1x1_geometry</geometrical_set>
<geometry>top</geometry>
<type>Dirichlet</type>
<component>1</component>
<parameter>dirichlet</parameter>
</boundary_condition>
<boundary_condition>
<geometrical_set>square_1x1_geometry</geometrical_set>
<geometry>bottom</geometry>
<type>Dirichlet</type>
<component>1</component>
<parameter>dirichlet</parameter>
</boundary_condition>
<boundary_condition>
<geometrical_set>square_1x1_geometry</geometrical_set>
<geometry>left</geometry>
<type>Dirichlet</type>
<component>0</component>
<parameter>dirichlet</parameter>
</boundary_condition>
<boundary_condition>
<geometrical_set>square_1x1_geometry</geometrical_set>
<geometry>right</geometry>
<type>Dirichlet</type>
<component>0</component>
<parameter>dirichlet</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>
<geometrical_set>square_1x1_geometry</geometrical_set>
<geometry>top</geometry>
<type>Dirichlet</type>
<parameter>pressure_low</parameter>
</boundary_condition>
<boundary_condition>
<geometrical_set>square_1x1_geometry</geometrical_set>
<geometry>bottom</geometry>
<type>Dirichlet</type>
<parameter>pressure_high</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 />
</process_variable>
</process_variables>
<nonlinear_solvers>
<nonlinear_solver>
<name>basic_newton</name>
<type>Newton</type>
<max_iter>100</max_iter>
<linear_solver>linear_solver</linear_solver>
</nonlinear_solver>
</nonlinear_solvers>
<linear_solvers>
<linear_solver>
<name>linear_solver</name>
<eigen>
<solver_type>SparseLU</solver_type>
</eigen>
<petsc>
<parameters>-ksp_type bcgs
-pc_type jacobi
-ksp_rtol 1.e-20 -ksp_atol 1.e-10
-ksp_max_it 4000</parameters>
</petsc>
</linear_solver>
</linear_solvers>
</OpenGeoSysProject>
1.12.0