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OGS
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OGS
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<OpenGeoSysProject>
<meshes>
<mesh>arehs-salt-TM0_ts_10_t_3153600000000.000000_element_ref_T.vtu</mesh>
<mesh>geometry_bottom.vtu</mesh>
<mesh>geometry_left.vtu</mesh>
<mesh>geometry_right.vtu</mesh>
</meshes>
<processes>
<process>
<name>SD</name>
<type>SMALL_DEFORMATION</type>
<integration_order>4</integration_order>
<constitutive_relation id="0">
<type>LinearElasticIsotropic</type>
<youngs_modulus>E_Deckgebirge</youngs_modulus>
<poissons_ratio>nu_Deckgebirge</poissons_ratio>
</constitutive_relation>
<constitutive_relation id="1">
<type>LinearElasticIsotropic</type>
<youngs_modulus>E_Nebengebirge</youngs_modulus>
<poissons_ratio>nu_Nebengebirge</poissons_ratio>
</constitutive_relation>
<constitutive_relation id="2">
<type>CreepBGRa</type>
<youngs_modulus>E_Salzgestein</youngs_modulus>
<poissons_ratio>nu_Salzgestein</poissons_ratio>
<a>A</a>
<n>n</n>
<sigma0>sigma_f</sigma0>
<q>Q</q>
<nonlinear_solver>
<maximum_iterations>4000</maximum_iterations>
<residuum_tolerance>5.0e-6</residuum_tolerance>
<increment_tolerance>5.0e-7</increment_tolerance>
</nonlinear_solver>
</constitutive_relation>
<constitutive_relation id="3">
<type>LinearElasticIsotropic</type>
<youngs_modulus>E_Grundgebirge</youngs_modulus>
<poissons_ratio>nu_Grundgebirge</poissons_ratio>
</constitutive_relation>
<specific_body_force>0 -9.81</specific_body_force>
<process_variables>
<process_variable>displacement</process_variable>
</process_variables>
<secondary_variables>
<secondary_variable internal_name="sigma" output_name="sigma" />
<secondary_variable internal_name="epsilon" output_name="epsilon" />
</secondary_variables>
<reference_temperature>T_ref</reference_temperature>
</process>
</processes>
<time_loop>
<processes>
<process ref="SD">
<nonlinear_solver>basic_newton</nonlinear_solver>
<convergence_criterion>
<type>PerComponentDeltaX</type>
<norm_type>NORM2</norm_type>
<reltols>1e-10 1e-10</reltols>
<abstols>1e-10 1e-10</abstols>
</convergence_criterion>
<time_discretization>
<type>BackwardEuler</type>
</time_discretization>
<time_stepping>
<type>FixedTimeStepping</type>
<t_initial>0</t_initial>
<t_end>3.1535999999999998e+10</t_end>
<timesteps>
<pair>
<repeat>1</repeat>
<delta_t>1.0</delta_t>
</pair>
<pair>
<repeat>5</repeat>
<delta_t>3.63072e+9</delta_t>
</pair>
</timesteps>
</time_stepping>
</process>
</processes>
<output>
<type>VTK</type>
<prefix>arehs-salt-M_gravity_only</prefix>
<timesteps>
<pair>
<repeat>1</repeat>
<each_steps>1</each_steps>
</pair>
<pair>
<repeat>1</repeat>
<each_steps>5</each_steps>
</pair>
</timesteps>
<variables>
<variable>displacement</variable>
<variable>sigma</variable>
<variable>epsilon</variable>
</variables>
<suffix>ts{:timestep}_t_{:time}</suffix>
</output>
</time_loop>
<media>
<medium id="0">
<phases>
<phase>
<type>Solid</type>
<properties>
<property>
<name>density</name>
<type>Constant</type>
<value>1925</value>
</property>
</properties>
</phase>
</phases>
</medium>
<medium id="1, 3">
<phases>
<phase>
<type>Solid</type>
<properties>
<property>
<name>density</name>
<type>Constant</type>
<value>2700</value>
</property>
</properties>
</phase>
</phases>
</medium>
<medium id="2">
<phases>
<phase>
<type>Solid</type>
<properties>
<property>
<name>density</name>
<type>Constant</type>
<value>2140</value>
</property>
</properties>
</phase>
</phases>
</medium>
</media>
<parameters>
<parameter>
<name>T_ref</name>
<type>MeshElement</type>
<field_name>element_temperatures</field_name>
</parameter>
<parameter>
<name>E_Deckgebirge</name>
<type>Constant</type>
<value>7.7e9</value>
</parameter>
<parameter>
<name>E_Nebengebirge</name>
<type>Constant</type>
<value>15.6e9</value>
</parameter>
<parameter>
<name>E_Salzgestein</name>
<type>Constant</type>
<value>25e9</value>
</parameter>
<parameter>
<name>E_Grundgebirge</name>
<type>Constant</type>
<value>15.6e9</value>
</parameter>
<parameter>
<name>nu_Deckgebirge</name>
<type>Constant</type>
<value>0.28</value>
</parameter>
<parameter>
<name>nu_Nebengebirge</name>
<type>Constant</type>
<value>0.3</value>
</parameter>
<parameter>
<name>nu_Salzgestein</name>
<type>Constant</type>
<value>0.25</value>
</parameter>
<parameter>
<name>nu_Grundgebirge</name>
<type>Constant</type>
<value>0.3</value>
</parameter>
<parameter>
<name>Cohesion_Deckgebirge</name>
<type>Constant</type>
<value>10e5</value>
</parameter>
<parameter>
<name>FrictionAngle_Deckgebirge</name>
<type>Constant</type>
<value>35.0</value>
</parameter>
<parameter>
<name>DilatancyAngle_Deckgebirge</name>
<type>Constant</type>
<value>0</value>
</parameter>
<parameter>
<name>TransitionAngle_Deckgebirge</name>
<type>Constant</type>
<value>0</value>
</parameter>
<parameter>
<name>TensionCutOffParameter_Deckgebirge</name>
<type>Constant</type>
<value>0</value>
</parameter>
<parameter>
<name>Cohesion_Nebengebirge</name>
<type>Constant</type>
<value>10e6</value>
</parameter>
<parameter>
<name>FrictionAngle_Nebengebirge</name>
<type>Constant</type>
<value>15.0</value>
</parameter>
<parameter>
<name>DilatancyAngle_Nebengebirge</name>
<type>Constant</type>
<value>0</value>
</parameter>
<parameter>
<name>TransitionAngle_Nebengebirge</name>
<type>Constant</type>
<value>0</value>
</parameter>
<parameter>
<name>TensionCutOffParameter_Nebengebirge</name>
<type>Constant</type>
<value>0</value>
</parameter>
<parameter>
<name>A</name>
<type>Constant</type>
<value>3.3333333333333335e-05</value>
</parameter>
<parameter>
<name>n</name>
<type>Constant</type>
<value>5.0</value>
</parameter>
<parameter>
<name>sigma_f</name>
<type>Constant</type>
<value>1e6</value>
</parameter>
<parameter>
<name>Q</name>
<type>Constant</type>
<value>54000</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>ice_load</name>
<type>Constant</type>
<value>-9.006e+6</value>
</parameter>
</parameters>
<process_variables>
<process_variable>
<name>displacement</name>
<components>2</components>
<order>2</order>
<initial_condition>displacement0</initial_condition>
<boundary_conditions>
<boundary_condition>
<mesh>geometry_left</mesh>
<type>Dirichlet</type>
<component>0</component>
<parameter>zero</parameter>
</boundary_condition>
<boundary_condition>
<mesh>geometry_right</mesh>
<type>Dirichlet</type>
<component>0</component>
<parameter>zero</parameter>
</boundary_condition>
<boundary_condition>
<mesh>geometry_bottom</mesh>
<type>Dirichlet</type>
<component>1</component>
<parameter>zero</parameter>
</boundary_condition>
</boundary_conditions>
</process_variable>
</process_variables>
<nonlinear_solvers>
<nonlinear_solver>
<name>basic_newton</name>
<type>Newton</type>
<max_iter>20</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>BiCGSTAB</solver_type>
<precon_type>ILUT</precon_type>
<max_iteration_step>4000</max_iteration_step>
<error_tolerance>1e-14</error_tolerance>
</eigen>
</linear_solver>
</linear_solvers>
</OpenGeoSysProject>
1.12.0