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OGS
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OGS
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<OpenGeoSysProject>
<meshes>
<mesh axially_symmetric="true">liakopoulos.vtu</mesh>
<mesh axially_symmetric="true">liakopoulos_left.vtu</mesh>
<mesh axially_symmetric="true">liakopoulos_right.vtu</mesh>
<mesh axially_symmetric="true">liakopoulos_top.vtu</mesh>
<mesh axially_symmetric="true">liakopoulos_bottom.vtu</mesh>
</meshes>
<processes>
<process>
<name>RM</name>
<type>RICHARDS_MECHANICS</type>
<integration_order>3</integration_order>
<jacobian_assembler>
<type>CentralDifferences</type>
<component_magnitudes>1</component_magnitudes>
<relative_epsilons>1e-8</relative_epsilons>
</jacobian_assembler>
<mass_lumping>true</mass_lumping>
<constitutive_relation>
<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_variable internal_name="saturation" output_name="saturation" />
</secondary_variables>
<specific_body_force>0 -9.81</specific_body_force>
<initial_stress>Initial_stress</initial_stress>
</process>
</processes>
<media>
<medium>
<phases>
<phase>
<type>AqueousLiquid</type>
<properties>
<property>
<name>viscosity</name>
<type>Constant</type>
<value>1e-3</value>
</property>
<property>
<name>density</name>
<type>Linear</type>
<reference_value>1e3</reference_value>
<independent_variable>
<variable_name>liquid_phase_pressure</variable_name>
<reference_condition>0</reference_condition>
<slope>5e-10</slope>
</independent_variable>
</property>
</properties>
</phase>
<phase>
<type>Solid</type>
<properties>
<property>
<name>density</name>
<type>Constant</type>
<value>2e3</value>
</property>
<property>
<name>bulk_modulus</name>
<type>Constant</type>
<value>1e12</value>
</property>
</properties>
</phase>
</phases>
<properties>
<property>
<name>biot_coefficient</name>
<type>Constant</type>
<value>1</value>
</property>
<property>
<name>porosity</name>
<type>Constant</type>
<value>0.2975</value>
</property>
<property>
<name>permeability</name>
<type>Constant</type>
<value>4.5e-13</value>
</property>
<property>
<name>saturation</name>
<type>SaturationLiakopoulos</type>
</property>
<property>
<name>relative_permeability</name>
<type>Curve</type>
<independent_variable>liquid_saturation</independent_variable>
<curve>k_rel</curve>
</property>
<property>
<name>bishops_effective_stress</name>
<type>BishopsPowerLaw</type>
<exponent>1</exponent>
</property>
<property>
<name>reference_temperature</name>
<type>Constant</type>
<value>293.15</value>
</property>
</properties>
</medium>
</media>
<time_loop>
<processes>
<process ref="RM">
<nonlinear_solver>basic_newton</nonlinear_solver>
<convergence_criterion>
<type>PerComponentDeltaX</type>
<norm_type>NORM2</norm_type>
<abstols>1e-8 1e-10 1e-10</abstols>
</convergence_criterion>
<time_discretization>
<type>BackwardEuler</type>
</time_discretization>
<time_stepping>
<type>FixedTimeStepping</type>
<t_initial>0.0</t_initial>
<t_end>7200</t_end>
<timesteps>
<pair>
<repeat>1</repeat>
<delta_t>0.06</delta_t>
</pair>
<pair>
<repeat>9</repeat>
<delta_t>1</delta_t>
</pair>
<pair>
<repeat>5</repeat>
<delta_t>10</delta_t>
</pair>
<pair>
<repeat>1</repeat>
<delta_t>0.94</delta_t>
</pair>
<pair>
<repeat>3</repeat>
<delta_t>10</delta_t>
</pair>
<pair>
<repeat>1</repeat>
<delta_t>30</delta_t>
</pair>
<pair>
<repeat>1</repeat>
<delta_t>100</delta_t>
</pair>
<pair>
<repeat>1</repeat>
<delta_t>80</delta_t>
</pair>
<pair>
<repeat>9</repeat>
<delta_t>100</delta_t>
</pair>
<pair>
<repeat>2</repeat>
<delta_t>200</delta_t>
</pair>
<pair>
<repeat>3</repeat>
<delta_t>400</delta_t>
</pair>
<pair>
<repeat>3</repeat>
<delta_t>600</delta_t>
</pair>
<pair>
<repeat>1</repeat>
<delta_t>200</delta_t>
</pair>
<pair>
<repeat>3</repeat>
<delta_t>600</delta_t>
</pair>
<pair>
<repeat>1</repeat>
<delta_t>0.06</delta_t>
</pair>
<pair>
<repeat>9</repeat>
<delta_t>1</delta_t>
</pair>
<pair>
<repeat>5</repeat>
<delta_t>10</delta_t>
</pair>
<pair>
<repeat>1</repeat>
<delta_t>0.94</delta_t>
</pair>
<pair>
<repeat>3</repeat>
<delta_t>10</delta_t>
</pair>
<pair>
<repeat>1</repeat>
<delta_t>30</delta_t>
</pair>
<pair>
<repeat>1</repeat>
<delta_t>100</delta_t>
</pair>
<pair>
<repeat>1</repeat>
<delta_t>80</delta_t>
</pair>
<pair>
<repeat>3</repeat>
<delta_t>100</delta_t>
</pair>
</timesteps>
</time_stepping>
</process>
</processes>
<output>
<type>VTK</type>
<prefix>{:meshname}_QN</prefix>
<suffix>t{:gtime}</suffix>
<timesteps>
<pair>
<repeat>500</repeat>
<each_steps>10</each_steps>
</pair>
</timesteps>
<variables>
<variable>displacement</variable>
<variable>pressure</variable>
<variable>sigma</variable>
<variable>epsilon</variable>
<variable>velocity</variable>
<variable>saturation</variable>
<variable>MassFlowRate</variable>
<variable>NodalForces</variable>
<variable>pressure_interpolated</variable>
</variables>
<fixed_output_times>0.06 60. 120. 300.0 600.0 1200.0 2400.0 4800.0 6000.0 7200.0</fixed_output_times>
</output>
</time_loop>
<parameters>
<parameter>
<mesh>liakopoulos</mesh>
<name>Initial_stress</name>
<type>Function</type>
<expression>0</expression>
<expression>-((1-0.2975)*2e3+0.2975*1e3)*9.81*(1-y)</expression>
<expression>0</expression>
<expression>0</expression>
</parameter>
<parameter>
<name>E</name>
<type>Constant</type>
<value>1.3e6</value>
</parameter>
<parameter>
<name>nu</name>
<type>Constant</type>
<value>0.4</value>
</parameter>
<parameter>
<name>displacement_ic</name>
<type>Constant</type>
<values>0 0</values>
</parameter>
<parameter>
<name>pressure_ic</name>
<type>Constant</type>
<value>0.0</value>
</parameter>
<parameter>
<name>pressure_bc</name>
<type>Constant</type>
<value>0.0</value>
</parameter>
<parameter>
<name>dirichlet</name>
<type>Constant</type>
<value>0</value>
</parameter>
</parameters>
<curves>
<curve>
<name>k_rel</name>
<coords>0.2 0.528 0.536 0.544 0.552 0.56 0.568 0.576 0.584 0.592 0.6 0.608 0.616 0.624 0.632 0.64 0.648 0.656 0.664 0.672 0.68 0.688 0.696 0.704 0.712 0.72 0.728 0.736 0.744 0.752 0.76 0.768 0.776 0.784 0.792 0.8 0.808 0.816 0.824 0.832 0.84 0.848 0.856 0.864 0.872 0.88 0.888 0.896 0.904 0.912 0.92 0.928000000000001 0.936000000000001 0.944000000000001 0.952000000000001 0.960000000000001 0.968000000000001 0.976000000000001 0.984000000000001 0.992000000000001 1</coords>
<values>0.0 0.0 0.0 0.003125124673949 0.020823885169721 0.038518821680155 0.056209865519575 0.073896945473639 0.091579987656767 0.109258915358633 0.126933648878653 0.144604105347267 0.162270198532675 0.179931838631514 0.197588932041764 0.215241381115967 0.232889083892571 0.250531933802915 0.268169819351031 0.285802623763035 0.303430224602408 0.3210524933469 0.338669294922165 0.356280487186422 0.373885920359564 0.391485436388984 0.409078868243118 0.426666039122081 0.444246761572863 0.461820836494194 0.479388052013308 0.496948182213303 0.514500985685365 0.532046203874627 0.549583559181513 0.56711275277159 0.584633462035706 0.602145337627643 0.619647999987513 0.637141035234136 0.654623990276238 0.672096366947284 0.689557614907064 0.707007122967474 0.724444208378889 0.741868103439419 0.759277938533726 0.776672720324285 0.79405130322659 0.811412351361665 0.828754286640385 0.846075216009299 0.863372826201009 0.880644225491632 0.897885694137663 0.915092266056643 0.932256968686883 0.949369276790233 0.966411379494378 0.983345955951454 1</values>
</curve>
</curves>
<process_variables>
<process_variable>
<name>pressure</name>
<components>1</components>
<order>1</order>
<initial_condition>pressure_ic</initial_condition>
<boundary_conditions>
<boundary_condition>
<mesh>liakopoulos_bottom</mesh>
<type>Dirichlet</type>
<parameter>pressure_bc</parameter>
</boundary_condition>
</boundary_conditions>
</process_variable>
<process_variable>
<name>displacement</name>
<components>2</components>
<order>2</order>
<initial_condition>displacement_ic</initial_condition>
<boundary_conditions>
<boundary_condition>
<mesh>liakopoulos_left</mesh>
<type>Dirichlet</type>
<component>0</component>
<parameter>dirichlet</parameter>
</boundary_condition>
<boundary_condition>
<mesh>liakopoulos_right</mesh>
<type>Dirichlet</type>
<component>0</component>
<parameter>dirichlet</parameter>
</boundary_condition>
<boundary_condition>
<mesh>liakopoulos_bottom</mesh>
<type>Dirichlet</type>
<component>1</component>
<parameter>dirichlet</parameter>
</boundary_condition>
</boundary_conditions>
</process_variable>
</process_variables>
<nonlinear_solvers>
<nonlinear_solver>
<name>basic_newton</name>
<type>Newton</type>
<max_iter>50</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>liakopoulos_QN_t_.*.vtu</regex>
<field>MassFlowRate</field>
<absolute_tolerance>2e-14</absolute_tolerance>
<relative_tolerance>0</relative_tolerance>
</vtkdiff>
<vtkdiff>
<regex>liakopoulos_QN_t_.*.vtu</regex>
<field>NodalForces</field>
<absolute_tolerance>2e-8</absolute_tolerance>
<relative_tolerance>0</relative_tolerance>
</vtkdiff>
<vtkdiff>
<regex>liakopoulos_QN_t_.*.vtu</regex>
<field>displacement</field>
<absolute_tolerance>1e-15</absolute_tolerance>
<relative_tolerance>0</relative_tolerance>
</vtkdiff>
<vtkdiff>
<regex>liakopoulos_QN_t_.*.vtu</regex>
<field>epsilon</field>
<absolute_tolerance>1e-15</absolute_tolerance>
<relative_tolerance>0</relative_tolerance>
</vtkdiff>
<vtkdiff>
<regex>liakopoulos_QN_t_.*.vtu</regex>
<field>pressure</field>
<absolute_tolerance>9e-10</absolute_tolerance>
<relative_tolerance>0</relative_tolerance>
</vtkdiff>
<vtkdiff>
<regex>liakopoulos_QN_t_.*.vtu</regex>
<field>pressure_interpolated</field>
<absolute_tolerance>9e-10</absolute_tolerance>
<relative_tolerance>0</relative_tolerance>
</vtkdiff>
<vtkdiff>
<regex>liakopoulos_QN_t_.*.vtu</regex>
<field>saturation</field>
<absolute_tolerance>2e-14</absolute_tolerance>
<relative_tolerance>0</relative_tolerance>
</vtkdiff>
<vtkdiff>
<regex>liakopoulos_QN_t_.*.vtu</regex>
<field>sigma</field>
<absolute_tolerance>2e-9</absolute_tolerance>
<relative_tolerance>0</relative_tolerance>
</vtkdiff>
<vtkdiff>
<regex>liakopoulos_QN_t_.*.vtu</regex>
<field>velocity</field>
<absolute_tolerance>1e-15</absolute_tolerance>
<relative_tolerance>0</relative_tolerance>
</vtkdiff>
</test_definition>
</OpenGeoSysProject>
1.12.0