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OGS
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<OpenGeoSysProject>
<meshes>
<mesh axially_symmetric="true">restart_w_backfill_1Dq_domain_IC.vtu</mesh>
<mesh axially_symmetric="true">restart_w_backfill_1Dq_PLY_inner.vtu</mesh>
<mesh axially_symmetric="true">restart_w_backfill_1Dq_PLY_outer.vtu</mesh>
<mesh axially_symmetric="true">restart_w_backfill_1Dq_PLY_upper.vtu</mesh>
<mesh axially_symmetric="true">restart_w_backfill_1Dq_PLY_lower.vtu</mesh>
</meshes>
<processes>
<process>
<name>RM</name>
<type>RICHARDS_MECHANICS</type>
<integration_order>4</integration_order>
<constitutive_relation id="2">
<type>LinearElasticIsotropic</type>
<youngs_modulus>E_Rock</youngs_modulus>
<poissons_ratio>nu_Rock</poissons_ratio>
</constitutive_relation>
<constitutive_relation id="1">
<type>LinearElasticIsotropic</type>
<youngs_modulus>E_Rock</youngs_modulus>
<poissons_ratio>nu_Rock</poissons_ratio>
</constitutive_relation>
<constitutive_relation id="0">
<type>LinearElasticIsotropic</type>
<youngs_modulus>E_Backfill</youngs_modulus>
<poissons_ratio>nu_Backfill</poissons_ratio>
</constitutive_relation>
<process_variables>
<pressure>pressure</pressure>
<displacement>displacement</displacement>
</process_variables>
<secondary_variables>
<secondary_variable internal_name="sigma" output_name="sigma" />
<secondary_variable internal_name="swelling_stress" output_name="swelling_stress" />
<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_variable internal_name="porosity" output_name="porosity" />
<secondary_variable internal_name="transport_porosity" output_name="transport_porosity" />
<secondary_variable internal_name="dry_density_solid" output_name="dry_density_solid" />
</secondary_variables>
<specific_body_force>0 0</specific_body_force>
</process>
</processes>
<media>
<medium id="2">
<phases>
<phase>
<type>AqueousLiquid</type>
<properties>
<property>
<name>density</name>
<type>Linear</type>
<reference_value>1000</reference_value>
<independent_variable>
<variable_name>liquid_phase_pressure</variable_name>
<reference_condition>12.0e06</reference_condition>
<slope>4.5e-10</slope>
</independent_variable>
</property>
<property>
<name>viscosity</name>
<type>Constant</type>
<value>1e-3</value>
</property>
</properties>
</phase>
<phase>
<type>Solid</type>
<properties>
<property>
<name>density</name>
<type>Constant</type>
<value>2700.0</value>
</property>
</properties>
</phase>
</phases>
<properties>
<property>
<name>permeability</name>
<type>Constant</type>
<value>2.77e-20</value>
</property>
<property>
<name>biot_coefficient</name>
<type>Constant</type>
<value>.8</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>0.33333</exponent>
<p_b>15.0e06</p_b>
</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>0.33333</exponent>
<minimum_relative_permeability_liquid>1.0e-6</minimum_relative_permeability_liquid>
</property>
<property>
<name>porosity</name>
<type>Constant</type>
<value>0.18</value>
</property>
<property>
<name>bishops_effective_stress</name>
<type>BishopsSaturationCutoff</type>
<cutoff_value>1.0</cutoff_value>
</property>
<property>
<name>reference_temperature</name>
<type>Constant</type>
<value>293.15</value>
</property>
</properties>
</medium>
<medium id="1">
<phases>
<phase>
<type>AqueousLiquid</type>
<properties>
<property>
<name>density</name>
<type>Linear</type>
<reference_value>1000</reference_value>
<independent_variable>
<variable_name>liquid_phase_pressure</variable_name>
<reference_condition>12.0e06</reference_condition>
<slope>4.5e-10</slope>
</independent_variable>
</property>
<property>
<name>viscosity</name>
<type>Constant</type>
<value>1e-3</value>
</property>
</properties>
</phase>
<phase>
<type>Solid</type>
<properties>
<property>
<name>density</name>
<type>Constant</type>
<value>2700.0</value>
</property>
</properties>
</phase>
</phases>
<properties>
<property>
<name>permeability</name>
<type>Constant</type>
<value>2.77e-18</value>
</property>
<property>
<name>biot_coefficient</name>
<type>Constant</type>
<value>1.0</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>0.375</exponent>
<p_b>4.5e06</p_b>
</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>0.375</exponent>
<minimum_relative_permeability_liquid>1.0e-6</minimum_relative_permeability_liquid>
</property>
<property>
<name>porosity</name>
<type>Constant</type>
<value>0.18</value>
</property>
<property>
<name>bishops_effective_stress</name>
<type>BishopsSaturationCutoff</type>
<cutoff_value>1.0</cutoff_value>
</property>
<property>
<name>reference_temperature</name>
<type>Constant</type>
<value>293.15</value>
</property>
</properties>
</medium>
<medium id="0">
<phases>
<phase>
<type>AqueousLiquid</type>
<properties>
<property>
<name>density</name>
<type>Linear</type>
<reference_value>1000</reference_value>
<independent_variable>
<variable_name>liquid_phase_pressure</variable_name>
<reference_condition>12.0e06</reference_condition>
<slope>4.5e-10</slope>
</independent_variable>
</property>
<property>
<name>viscosity</name>
<type>Constant</type>
<value>1e-3</value>
</property>
</properties>
</phase>
<phase>
<type>Solid</type>
<properties>
<property>
<name>density</name>
<type>Constant</type>
<value>2700.0</value>
</property>
</properties>
</phase>
</phases>
<properties>
<property>
<name>permeability</name>
<type>Constant</type>
<value>2.0e-19</value>
</property>
<property>
<name>biot_coefficient</name>
<type>Constant</type>
<value>1.0</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>0.2592592592592593</exponent>
<p_b>9.7e06</p_b>
</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>0.2592592592592593</exponent>
<minimum_relative_permeability_liquid>1.0e-6</minimum_relative_permeability_liquid>
</property>
<property>
<name>porosity</name>
<type>Constant</type>
<value>0.3</value>
</property>
<property>
<name>bishops_effective_stress</name>
<type>BishopsSaturationCutoff</type>
<cutoff_value>1.0</cutoff_value>
</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>1.0e2 1.0e-6 1.0e-6</abstols>
<reltols>4.0e-6 1.0e-7 1.0e-7</reltols>
</convergence_criterion>
<time_discretization>
<type>BackwardEuler</type>
</time_discretization>
<time_stepping>
<type>IterationNumberBasedTimeStepping</type>
<t_initial>10000.0</t_initial>
<t_end>60000</t_end>
<initial_dt>3500</initial_dt>
<minimum_dt>1800</minimum_dt>
<maximum_dt>1.0e7</maximum_dt>
<number_iterations>1 8 20 25</number_iterations>
<multiplier>1.1 1 0.95 0.75</multiplier>
</time_stepping>
</process>
</processes>
<outputs>
<output>
<type>VTK</type>
<prefix>restart_w_backfill</prefix>
<suffix>ts{:0>3timestep}_t_{:time}</suffix>
<timesteps>
<pair>
<repeat>1</repeat>
<each_steps>5</each_steps>
</pair>
</timesteps>
<variables />
</output>
</outputs>
</time_loop>
<parameters>
<parameter>
<name>E_Rock</name>
<type>Constant</type>
<value>5.24e9</value>
</parameter>
<parameter>
<name>nu_Rock</name>
<type>Constant</type>
<value>0.26</value>
</parameter>
<parameter>
<name>E_Backfill</name>
<type>Constant</type>
<value>0.5e9</value>
</parameter>
<parameter>
<name>nu_Backfill</name>
<type>Constant</type>
<value>0.3</value>
</parameter>
<parameter>
<name>displacement_ic</name>
<type>MeshNode</type>
<field_name>displacement</field_name>
</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>one</name>
<type>Constant</type>
<value>1.0</value>
</parameter>
<parameter>
<name>pressure_bc</name>
<type>Constant</type>
<value>4.7e06</value>
</parameter>
<parameter>
<name>pressure_ic</name>
<type>MeshNode</type>
<field_name>p0</field_name>
</parameter>
</parameters>
<process_variables>
<process_variable>
<name>displacement</name>
<components>2</components>
<order>2</order>
<compensate_non_equilibrium_initial_residuum>false</compensate_non_equilibrium_initial_residuum>
<initial_condition>displacement_ic</initial_condition>
<boundary_conditions>
<boundary_condition>
<mesh>restart_w_backfill_1Dq_PLY_inner</mesh>
<type>Dirichlet</type>
<component>0</component>
<parameter>zero</parameter>
</boundary_condition>
<boundary_condition>
<mesh>restart_w_backfill_1Dq_PLY_outer</mesh>
<type>Dirichlet</type>
<component>0</component>
<parameter>zero</parameter>
</boundary_condition>
<boundary_condition>
<mesh>restart_w_backfill_1Dq_PLY_upper</mesh>
<component>1</component>
<type>Dirichlet</type>
<parameter>zero</parameter>
</boundary_condition>
<boundary_condition>
<mesh>restart_w_backfill_1Dq_PLY_lower</mesh>
<component>1</component>
<type>Dirichlet</type>
<parameter>zero</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>
<mesh>restart_w_backfill_1Dq_PLY_outer</mesh>
<type>Dirichlet</type>
<component>0</component>
<parameter>pressure_bc</parameter>
</boundary_condition>
</boundary_conditions>
</process_variable>
</process_variables>
<nonlinear_solvers>
<nonlinear_solver>
<name>basic_newton</name>
<type>Newton</type>
<max_iter>25</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>restart_w_backfill_ts_.*.vtu</regex>
<field>pressure_interpolated</field>
<absolute_tolerance>2e-7</absolute_tolerance>
<relative_tolerance>1e-14</relative_tolerance>
</vtkdiff>
<vtkdiff>
<regex>restart_w_backfill_ts_.*.vtu</regex>
<field>displacement</field>
<absolute_tolerance>1e-14</absolute_tolerance>
<relative_tolerance>0</relative_tolerance>
</vtkdiff>
<vtkdiff>
<regex>restart_w_backfill_ts_.*.vtu</regex>
<field>stress_avg</field>
<absolute_tolerance>2e-7</absolute_tolerance>
<relative_tolerance>0</relative_tolerance>
</vtkdiff>
</test_definition>
</OpenGeoSysProject>
1.12.0