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OGS
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OGS
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<OpenGeoSysProject>
<mesh axially_symmetric="false">excavation_niches2.vtu</mesh>
<geometry>excavation_niches2.gml</geometry>
<processes>
<process>
<name>process</name>
<type>HYDRO_MECHANICS</type>
<integration_order>3</integration_order>
<constitutive_relation>
<type>LinearElasticIsotropic</type>
<youngs_modulus>E</youngs_modulus>
<poissons_ratio>nu</poissons_ratio>
</constitutive_relation>
<specific_body_force>0 0</specific_body_force>
<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>
<initial_stress>sigma0</initial_stress>
</process>
</processes>
<media>
<medium id="0,1,2,3">
<phases>
<phase>
<type>AqueousLiquid</type>
<properties>
<property>
<name>viscosity</name>
<type>Constant</type>
<value>1.5e-3</value>
</property>
<property>
<name>density</name>
<type>Constant</type>
<value>1000</value>
</property>
<property>
<name>specific_heat_capacity</name>
<type>Constant</type>
<value>4160</value>
</property>
<property>
<name>thermal_conductivity</name>
<type>Constant</type>
<value>0.6</value>
</property>
</properties>
</phase>
<phase>
<type>Solid</type>
<properties>
<property>
<name>density</name>
<type>Constant</type>
<value>2533</value>
</property>
<property>
<name>specific_heat_capacity</name>
<type>Constant</type>
<value>1254.74</value>
</property>
<property>
<name>thermal_conductivity</name>
<type>Constant</type>
<value>2.156</value>
</property>
<property>
<name>thermal_expansivity</name>
<type>Constant</type>
<value>1e-5</value>
</property>
</properties>
</phase>
</phases>
<properties>
<property>
<name>porosity</name>
<type>Constant</type>
<value>0.1</value>
</property>
<property>
<name>biot_coefficient</name>
<type>Constant</type>
<value>0.6</value>
</property>
<property>
<name>relative_permeability</name>
<type>RelativePermeabilityVanGenuchten</type>
<residual_liquid_saturation>0.0</residual_liquid_saturation>
<residual_gas_saturation>0.0</residual_gas_saturation>
<exponent>0.4</exponent>
<minimum_relative_permeability_liquid>1e-25</minimum_relative_permeability_liquid>
</property>
<property>
<name>permeability</name>
<type>Constant</type>
<value>1e-19</value>
</property>
<property>
<name>saturation</name>
<type>SaturationVanGenuchten</type>
<residual_liquid_saturation>0.0</residual_liquid_saturation>
<residual_gas_saturation>0.0</residual_gas_saturation>
<exponent>0.4</exponent>
<p_b>42e6</p_b>
</property>
<property>
<name>bishops_effective_stress</name>
<type>BishopsPowerLaw</type>
<exponent>1</exponent>
</property>
<property>
<name>reference_temperature</name>
<type>Constant</type>
<value>298.15</value>
</property>
<property>
<name>thermal_conductivity</name>
<type>EffectiveThermalConductivityPorosityMixing</type>
</property>
</properties>
</medium>
</media>
<time_loop>
<processes>
<process ref="process">
<nonlinear_solver>basic_newton</nonlinear_solver>
<convergence_criterion>
<type>PerComponentDeltaX</type>
<norm_type>NORM2</norm_type>
<abstols>1e-8 1e-8 1e-8</abstols>
<reltols>1e-8 1e-8 1e-8</reltols>
</convergence_criterion>
<time_discretization>
<type>BackwardEuler</type>
</time_discretization>
<time_stepping>
<type>FixedTimeStepping</type>
<t_initial>0</t_initial>
<t_end>2000</t_end>
<timesteps>
<pair>
<repeat>1000</repeat>
<delta_t>50</delta_t>
</pair>
</timesteps>
</time_stepping>
</process>
</processes>
<output>
<type>VTK</type>
<prefix>excavation_niches2</prefix>
<suffix>ts{:0>2timestep}_t_{:.0ftime}</suffix>
<timesteps>
<pair>
<repeat>1000</repeat>
<each_steps>1</each_steps>
</pair>
</timesteps>
<variables>
<variable>displacement</variable>
<variable>pressure</variable>
<variable>sigma</variable>
<variable>epsilon</variable>
<variable>velocity</variable>
<variable>MassFlowRate</variable>
<variable>NodalForces</variable>
<variable>displacement_active</variable>
<variable>pressure_active</variable>
</variables>
</output>
</time_loop>
<parameters>
<parameter>
<name>sigma0</name>
<type>Function</type>
<expression>-10e6 + 0.6 * 4e6</expression>
<expression>-10e6 + 0.6 * 4e6</expression>
<expression>0</expression>
<expression>0</expression>
</parameter>
<parameter>
<name>E</name>
<type>Constant</type>
<value>4000e6</value>
</parameter>
<parameter>
<name>nu</name>
<type>Constant</type>
<value>0.35</value>
</parameter>
<parameter>
<name>displacement0</name>
<type>Constant</type>
<values>0 0</values>
</parameter>
<parameter>
<name>pressure0</name>
<type>Constant</type>
<values>4e6</values>
</parameter>
<parameter>
<name>pressure_tunnel</name>
<type>Constant</type>
<values>1e5</values>
</parameter>
<parameter>
<name>pressure_outside</name>
<type>Constant</type>
<values>4e6</values>
</parameter>
<parameter>
<name>load_top</name>
<type>Constant</type>
<values>-12e6</values>
</parameter>
<parameter>
<name>dirichlet0</name>
<type>Constant</type>
<values>0</values>
</parameter>
</parameters>
<curves>
<curve>
<name>excavation_first_tunnel</name>
<coords>0 1000 2000</coords>
<values>0 5 0</values>
</curve>
<curve>
<name>excavation_parallel_first_tunnel</name>
<coords>0 2000</coords>
<values>0 5</values>
</curve>
<curve>
<name>excavation_second_tunnel</name>
<coords>0 1000 2000</coords>
<values>0 5 5</values>
</curve>
</curves>
<process_variables>
<process_variable>
<name>displacement</name>
<components>2</components>
<order>1</order>
<initial_condition>displacement0</initial_condition>
<boundary_conditions>
<boundary_condition>
<geometrical_set>excavation_niches2</geometrical_set>
<geometry>left</geometry>
<type>Dirichlet</type>
<component>0</component>
<parameter>dirichlet0</parameter>
</boundary_condition>
<boundary_condition>
<geometrical_set>excavation_niches2</geometrical_set>
<geometry>back</geometry>
<type>Dirichlet</type>
<component>1</component>
<parameter>dirichlet0</parameter>
</boundary_condition>
<boundary_condition>
<geometrical_set>excavation_niches2</geometrical_set>
<geometry>right</geometry>
<type>Dirichlet</type>
<component>0</component>
<parameter>dirichlet0</parameter>
</boundary_condition>
</boundary_conditions>
<deactivated_subdomains>
<deactivated_subdomain>
<time_curve>excavation_second_tunnel</time_curve>
<line_segment>
<start>0 5 0</start>
<end>0 0 0</end>
</line_segment>
<material_ids>2</material_ids>
</deactivated_subdomain>
<deactivated_subdomain>
<time_curve>excavation_first_tunnel</time_curve>
<line_segment>
<start>0 0 0</start>
<end>0 5 0</end>
</line_segment>
<material_ids>1</material_ids>
</deactivated_subdomain>
<deactivated_subdomain>
<time_curve>excavation_parallel_first_tunnel</time_curve>
<line_segment>
<start>0 0 0</start>
<end>0 5 0</end>
</line_segment>
<material_ids>3</material_ids>
</deactivated_subdomain>
</deactivated_subdomains>
</process_variable>
<process_variable>
<name>pressure</name>
<components>1</components>
<order>1</order>
<initial_condition>pressure0</initial_condition>
<boundary_conditions>
<boundary_condition>
<geometrical_set>excavation_niches2</geometrical_set>
<geometry>back</geometry>
<type>Dirichlet</type>
<parameter>pressure_outside</parameter>
</boundary_condition>
<boundary_condition>
<geometrical_set>excavation_niches2</geometrical_set>
<geometry>right</geometry>
<type>Dirichlet</type>
<parameter>pressure_outside</parameter>
</boundary_condition>
</boundary_conditions>
<deactivated_subdomains>
<deactivated_subdomain>
<time_curve>excavation_first_tunnel</time_curve>
<line_segment>
<start>0 0 0</start>
<end>0 5 0</end>
</line_segment>
<material_ids>1</material_ids>
</deactivated_subdomain>
<deactivated_subdomain>
<time_curve>excavation_parallel_first_tunnel</time_curve>
<line_segment>
<start>0 0 0</start>
<end>0 5 0</end>
</line_segment>
<material_ids>3</material_ids>
</deactivated_subdomain>
</deactivated_subdomains>
</process_variable>
</process_variables>
<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>
<test_definition>
<vtkdiff>
<regex>excavation_niches2_ts_.*.vtu</regex>
<field>displacement</field>
<absolute_tolerance>1e-15</absolute_tolerance>
<relative_tolerance>1e-15</relative_tolerance>
</vtkdiff>
<vtkdiff>
<regex>excavation_niches2_ts_.*.vtu</regex>
<field>epsilon</field>
<absolute_tolerance>1e-15</absolute_tolerance>
<relative_tolerance>1e-15</relative_tolerance>
</vtkdiff>
<vtkdiff>
<regex>excavation_niches2_ts_.*.vtu</regex>
<field>sigma</field>
<absolute_tolerance>2e-7</absolute_tolerance>
<relative_tolerance>1e-15</relative_tolerance>
</vtkdiff>
<vtkdiff>
<regex>excavation_niches2_ts_.*.vtu</regex>
<field>pressure</field>
<absolute_tolerance>4e-7</absolute_tolerance>
<relative_tolerance>1e-15</relative_tolerance>
</vtkdiff>
<vtkdiff>
<regex>excavation_niches2_ts_.*.vtu</regex>
<field>velocity</field>
<absolute_tolerance>1e-15</absolute_tolerance>
<relative_tolerance>1e-15</relative_tolerance>
</vtkdiff>
<vtkdiff>
<regex>excavation_niches2_ts_.*.vtu</regex>
<field>MassFlowRate</field>
<absolute_tolerance>1e-15</absolute_tolerance>
<relative_tolerance>1e-15</relative_tolerance>
</vtkdiff>
<vtkdiff>
<regex>excavation_niches2_ts_.*.vtu</regex>
<field>NodalForces</field>
<absolute_tolerance>6e-8</absolute_tolerance>
<relative_tolerance>1e-15</relative_tolerance>
</vtkdiff>
<vtkdiff>
<regex>excavation_niches2_ts_.*.vtu</regex>
<field>displacement_active</field>
<absolute_tolerance>0</absolute_tolerance>
<relative_tolerance>0</relative_tolerance>
</vtkdiff>
<vtkdiff>
<regex>excavation_niches2_ts_.*.vtu</regex>
<field>pressure_active</field>
<absolute_tolerance>0</absolute_tolerance>
<relative_tolerance>0</relative_tolerance>
</vtkdiff>
</test_definition>
</OpenGeoSysProject>
1.10.0