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OGS
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OGS
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<OpenGeoSysProject>
<mesh>RichardsFlow_2d_small.vtu</mesh>
<geometry>RichardsFlow_2d_small.gml</geometry>
<processes>
<process>
<name>RM</name>
<type>RICHARDS_MECHANICS</type>
<integration_order>3</integration_order>
<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>
</process>
</processes>
<media>
<medium>
<phases>
<phase>
<type>AqueousLiquid</type>
<properties>
<property>
<name>viscosity</name>
<type>Constant</type>
<value>1.e-3</value>
</property>
<property>
<name>density</name>
<type>Linear</type>
<reference_value>1</reference_value>
<independent_variable>
<variable_name>liquid_phase_pressure</variable_name>
<reference_condition>-5000</reference_condition>
<slope>0.45454545454545454545e-300</slope>
</independent_variable>
</property>
</properties>
</phase>
<phase>
<type>Solid</type>
<properties>
<property>
<name>density</name>
<type>Constant</type>
<value>1</value>
</property>
</properties>
</phase>
</phases>
<properties>
<property>
<name>biot_coefficient</name>
<type>Constant</type>
<value>0.38</value>
</property>
<property>
<name>porosity</name>
<type>PorosityFromMassBalance</type>
<initial_porosity>phi0</initial_porosity>
<minimal_porosity>0</minimal_porosity>
<maximal_porosity>1</maximal_porosity>
</property>
<property>
<name>permeability</name>
<type>Constant</type>
<value>4.46e-13</value>
</property>
<property>
<name>storage</name>
<type>Constant</type>
<value>0.0</value>
</property>
<property>
<name>reference_temperature</name>
<type>Constant</type>
<value>293.15</value>
</property>
<property>
<name>saturation</name>
<type>SaturationVanGenuchten</type>
<residual_liquid_saturation>0.1689</residual_liquid_saturation>
<residual_gas_saturation>0.05</residual_gas_saturation>
<exponent>0.789029535864979</exponent>
<p_b>3633.33</p_b>
</property>
<property>
<name>relative_permeability</name>
<type>RelativePermeabilityVanGenuchten</type>
<residual_liquid_saturation>0.1689</residual_liquid_saturation>
<residual_gas_saturation>0.05</residual_gas_saturation>
<exponent>0.789029535864979</exponent>
<minimum_relative_permeability_liquid>1e-12</minimum_relative_permeability_liquid>
</property>
<property>
<name>bishops_effective_stress</name>
<type>BishopsPowerLaw</type>
<exponent>1</exponent>
</property>
</properties>
</medium>
</media>
<time_loop>
<processes>
<process ref="RM">
<nonlinear_solver>nonlinear_solver</nonlinear_solver>
<convergence_criterion>
<type>PerComponentDeltaX</type>
<norm_type>NORM2</norm_type>
<abstols>1e-7 1e-11 1e-10</abstols>
</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>1</repeat>
<delta_t>1</delta_t>
</pair>
<pair>
<repeat>1</repeat>
<delta_t>2</delta_t>
</pair>
<pair>
<repeat>1</repeat>
<delta_t>5</delta_t>
</pair>
<pair>
<repeat>1</repeat>
<delta_t>10</delta_t>
</pair>
<pair>
<repeat>50</repeat>
<delta_t>20</delta_t>
</pair>
</timesteps>
</time_stepping>
</process>
</processes>
<output>
<type>VTK</type>
<prefix>{:meshname}</prefix>
<meshes>
<mesh>RichardsFlow_2d_small</mesh>
<mesh>RichardsFlow_2d_geometry_OBSERVATION_POINT</mesh>
</meshes>
<timesteps>
<pair>
<repeat>9</repeat>
<each_steps>1</each_steps>
</pair>
<pair>
<repeat>100</repeat>
<each_steps>10</each_steps>
</pair>
</timesteps>
<output_iteration_results>false</output_iteration_results>
<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>
<variable>saturation_avg</variable>
</variables>
<suffix>ts{:timestep}_t_{:time}</suffix>
</output>
</time_loop>
<parameters>
<parameter>
<name>E</name>
<type>Constant</type>
<value>1e50</value>
</parameter>
<parameter>
<name>nu</name>
<type>Constant</type>
<value>.1</value>
</parameter>
<parameter>
<name>phi0</name>
<type>Constant</type>
<value>0.38</value>
</parameter>
<parameter>
<name>displacement0</name>
<type>Constant</type>
<values>0 0</values>
</parameter>
<parameter>
<name>dirichlet0</name>
<type>Constant</type>
<values>0</values>
</parameter>
<parameter>
<name>p0</name>
<type>Constant</type>
<value>-5000</value>
</parameter>
<parameter>
<name>p_Dirichlet_bottom</name>
<type>Constant</type>
<value>1000</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>
<geometrical_set>RichardsFlow_2d_geometry</geometrical_set>
<geometry>LEFT</geometry>
<type>Dirichlet</type>
<component>0</component>
<parameter>dirichlet0</parameter>
</boundary_condition>
<boundary_condition>
<geometrical_set>RichardsFlow_2d_geometry</geometrical_set>
<geometry>RIGHT</geometry>
<type>Dirichlet</type>
<component>0</component>
<parameter>dirichlet0</parameter>
</boundary_condition>
<boundary_condition>
<geometrical_set>RichardsFlow_2d_geometry</geometrical_set>
<geometry>BOTTOM</geometry>
<type>Dirichlet</type>
<component>1</component>
<parameter>dirichlet0</parameter>
</boundary_condition>
<boundary_condition>
<geometrical_set>RichardsFlow_2d_geometry</geometrical_set>
<geometry>TOP</geometry>
<type>Dirichlet</type>
<component>1</component>
<parameter>dirichlet0</parameter>
</boundary_condition>
</boundary_conditions>
</process_variable>
<process_variable>
<name>pressure</name>
<components>1</components>
<order>1</order>
<initial_condition>p0</initial_condition>
<boundary_conditions>
<boundary_condition>
<geometrical_set>RichardsFlow_2d_geometry</geometrical_set>
<geometry>BOTTOM</geometry>
<type>Dirichlet</type>
<parameter>p_Dirichlet_bottom</parameter>
</boundary_condition>
<boundary_condition>
<geometrical_set>RichardsFlow_2d_geometry</geometrical_set>
<geometry>TOP</geometry>
<type>Dirichlet</type>
<parameter>p0</parameter>
</boundary_condition>
</boundary_conditions>
</process_variable>
</process_variables>
<nonlinear_solvers>
<nonlinear_solver>
<name>nonlinear_solver</name>
<type>Newton</type>
<max_iter>100</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>RichardsFlow_2d_small_ts_.*.vtu</regex>
<field>displacement</field>
<absolute_tolerance>2e-14</absolute_tolerance>
<relative_tolerance>0</relative_tolerance>
</vtkdiff>
<vtkdiff>
<regex>RichardsFlow_2d_small_ts_.*.vtu</regex>
<field>sigma</field>
<absolute_tolerance>1e-8</absolute_tolerance>
<relative_tolerance>0</relative_tolerance>
</vtkdiff>
<vtkdiff>
<regex>RichardsFlow_2d_small_ts_.*.vtu</regex>
<field>epsilon</field>
<absolute_tolerance>1e-15</absolute_tolerance>
<relative_tolerance>0</relative_tolerance>
</vtkdiff>
<vtkdiff>
<regex>RichardsFlow_2d_small_ts_.*.vtu</regex>
<field>pressure</field>
<absolute_tolerance>1e-7</absolute_tolerance>
<relative_tolerance>1e-15</relative_tolerance>
</vtkdiff>
<vtkdiff>
<regex>RichardsFlow_2d_small_ts_.*.vtu</regex>
<field>pressure_interpolated</field>
<absolute_tolerance>1e-7</absolute_tolerance>
<relative_tolerance>1e-15</relative_tolerance>
</vtkdiff>
<vtkdiff>
<regex>RichardsFlow_2d_small_ts_.*.vtu</regex>
<field>saturation</field>
<absolute_tolerance>2e-11</absolute_tolerance>
<relative_tolerance>1e-15</relative_tolerance>
</vtkdiff>
<vtkdiff>
<regex>RichardsFlow_2d_small_ts_.*.vtu</regex>
<field>saturation_avg</field>
<absolute_tolerance>1e-11</absolute_tolerance>
<relative_tolerance>1e-15</relative_tolerance>
</vtkdiff>
<vtkdiff>
<regex>RichardsFlow_2d_small_ts_.*.vtu</regex>
<field>velocity</field>
<absolute_tolerance>1e-15</absolute_tolerance>
<relative_tolerance>1e-15</relative_tolerance>
</vtkdiff>
<vtkdiff>
<regex>RichardsFlow_2d_small_ts_.*.vtu</regex>
<field>MassFlowRate</field>
<absolute_tolerance>1e-13</absolute_tolerance>
<relative_tolerance>0</relative_tolerance>
</vtkdiff>
<vtkdiff>
<regex>RichardsFlow_2d_small_ts_.*.vtu</regex>
<field>NodalForces</field>
<absolute_tolerance>1e-9</absolute_tolerance>
<relative_tolerance>0</relative_tolerance>
</vtkdiff>
<vtkdiff>
<regex>RichardsFlow_2d_geometry_OBSERVATION_POINT_ts_.*.vtu</regex>
<field>displacement</field>
<absolute_tolerance>2e-14</absolute_tolerance>
<relative_tolerance>0</relative_tolerance>
</vtkdiff>
<vtkdiff>
<regex>RichardsFlow_2d_geometry_OBSERVATION_POINT_ts_.*.vtu</regex>
<field>pressure</field>
<absolute_tolerance>1e-7</absolute_tolerance>
<relative_tolerance>1e-15</relative_tolerance>
</vtkdiff>
</test_definition>
</OpenGeoSysProject>
1.12.0