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OGS
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OGS
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<OpenGeoSysProject>
<meshes>
<mesh>domain.vtu</mesh>
<mesh>top.vtu</mesh>
<mesh>bottom.vtu</mesh>
<mesh>sat_zone.vtu</mesh>
</meshes>
<processes>
<process>
<name>GW23</name>
<type>THERMAL_TWOPHASE_WITH_PP</type>
<integration_order>2</integration_order>
<process_variables>
<gas_pressure>gas_pressure</gas_pressure>
<capillary_pressure>capillary_pressure</capillary_pressure>
<total_molar_fraction_contaminant>Xc</total_molar_fraction_contaminant>
<temperature>temperature</temperature>
</process_variables>
<jacobian_assembler>
<type>CentralDifferences</type>
<component_magnitudes>1e5 5e3 1e-9 300</component_magnitudes>
<relative_epsilons>1e-6 1e-6 1e-6 1e-6</relative_epsilons>
</jacobian_assembler>
<secondary_variables>
<secondary_variable internal_name="saturation" output_name="saturation" />
<secondary_variable internal_name="pressure_wetting" output_name="pressure_wetting" />
<secondary_variable internal_name="gas_molar_fraction_water" output_name="xwG" />
<secondary_variable internal_name="liquid_molar_fraction_contaminant" output_name="xcL" />
<secondary_variable internal_name="gas_molar_fraction_contaminant" output_name="xcG" />
</secondary_variables>
<specific_body_force>-9.81</specific_body_force>
<mass_lumping>true</mass_lumping>
</process>
</processes>
<media>
<medium id="0">
<phases>
<phase>
<type>AqueousLiquid</type>
<components>
<component>
<name>c</name>
<properties>
<property>
<name>pore_diffusion</name>
<type>Function</type>
<value>
<expression>9.1e-10 * 0.38^(1/3) * liquid_saturation^(7/3)</expression>
</value>
</property>
</properties>
</component>
</components>
<properties>
<property>
<name>viscosity</name>
<type>Constant</type>
<value>1.0e-3</value>
</property>
<property>
<name>specific_heat_capacity</name>
<type>Constant</type>
<value>4187</value>
</property>
<property>
<name>density</name>
<type>Constant</type>
<value>1.e3</value>
</property>
</properties>
</phase>
<phase>
<type>Gas</type>
<components>
<component>
<name>a</name>
<properties>
<property>
<name>molar_mass</name>
<type>Constant</type>
<value>0.028964397787206768</value>
</property>
<property>
<name>specific_heat_capacity</name>
<type>Constant</type>
<value>733</value>
</property>
</properties>
</component>
<component>
<name>w</name>
<properties>
<property>
<name>molar_mass</name>
<type>Constant</type>
<value>0.018016</value>
</property>
<property>
<name>pore_diffusion</name>
<type>Function</type>
<value>
<expression>2.6e-6 * 0.38^(1/3) * (1.-liquid_saturation)^(7/3)</expression>
</value>
</property>
<property>
<name>specific_heat_capacity</name>
<type>Constant</type>
<value>4187</value>
</property>
<property>
<name>specific_latent_heat</name>
<type>Constant</type>
<value>2258000</value>
</property>
<property>
<name>vapour_pressure</name>
<type>Constant</type>
<value>1</value>
</property>
</properties>
</component>
<component>
<name>c</name>
<properties>
<property>
<name>molar_mass</name>
<type>Constant</type>
<value>0.1314</value>
</property>
<property>
<name>henry_coefficient</name>
<type>Constant</type>
<value>1.062e-3</value>
</property>
<property>
<name>pore_diffusion</name>
<type>Function</type>
<value>
<expression>8.3e-6 * 0.38^(1/3) * (1.-liquid_saturation)^(7/3)</expression>
</value>
</property>
<property>
<name>specific_heat_capacity</name>
<type>Constant</type>
<value>1</value>
</property>
</properties>
</component>
</components>
<properties>
<property>
<name>density</name>
<type>IdealGasLaw</type>
</property>
<property>
<name>viscosity</name>
<type>Constant</type>
<value>1.851e-5</value>
</property>
</properties>
</phase>
<phase>
<type>Solid</type>
<properties>
<property>
<name>density</name>
<type>Constant</type>
<value>2650</value>
</property>
<property>
<name>specific_heat_capacity</name>
<type>Constant</type>
<value>750</value>
</property>
</properties>
</phase>
</phases>
<properties>
<property>
<name>porosity</name>
<type>Constant</type>
<value>0.38</value>
</property>
<property>
<name>permeability</name>
<type>Constant</type>
<value>1.18e-11</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>0.8</exponent>
<p_b>1635</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>0.8</exponent>
<minimum_relative_permeability_liquid>0</minimum_relative_permeability_liquid>
</property>
<property>
<name>relative_permeability_nonwetting_phase</name>
<type>RelativePermeabilityNonWettingPhaseVanGenuchtenMualem</type>
<residual_liquid_saturation>0.0</residual_liquid_saturation>
<residual_gas_saturation>0.0</residual_gas_saturation>
<exponent>0.8</exponent>
<min_relative_permeability>1e-8</min_relative_permeability>
</property>
<property>
<name>thermal_conductivity</name>
<type>Constant</type>
<value>1</value>
</property>
<property>
<name>longitudinal_dispersivity</name>
<type>Constant</type>
<value>0</value>
</property>
<property>
<name>transversal_dispersivity</name>
<type>Constant</type>
<value>0</value>
</property>
</properties>
</medium>
</media>
<parameters>
<parameter>
<name>pc_Dirichlet_bottom</name>
<type>Constant</type>
<value>0</value>
</parameter>
<parameter>
<name>pg_Dirichlet_bottom</name>
<type>Constant</type>
<value>105319</value>
</parameter>
<parameter>
<name>pg_Dirichlet_top</name>
<type>Constant</type>
<value>101325.0</value>
</parameter>
<parameter>
<name>pc_0</name>
<type>MeshNode</type>
<field_name>Pc_0</field_name>
</parameter>
<parameter>
<name>pg_0</name>
<type>MeshNode</type>
<field_name>Pg_0</field_name>
</parameter>
<parameter>
<name>T_0</name>
<type>Constant</type>
<value>298.15</value>
</parameter>
<parameter>
<name>Xc_0</name>
<type>Constant</type>
<value>0</value>
</parameter>
<parameter>
<name>Xc_Dirichlet_sat_zone</name>
<type>Constant</type>
<value>1e-6</value>
</parameter>
</parameters>
<time_loop>
<processes>
<process ref="GW23">
<nonlinear_solver>basic_newton</nonlinear_solver>
<convergence_criterion>
<type>PerComponentDeltaX</type>
<norm_type>NORM2</norm_type>
<reltols>1.e-6 1.e-6 1e-6 1e-6</reltols>
</convergence_criterion>
<time_discretization>
<type>BackwardEuler</type>
</time_discretization>
<time_stepping>
<type>FixedTimeStepping</type>
<t_initial>0</t_initial>
<t_end>1e6</t_end>
<timesteps>
<pair>
<repeat>100</repeat>
<delta_t>10000</delta_t>
</pair>
</timesteps>
</time_stepping>
</process>
</processes>
<output>
<type>VTK</type>
<prefix>Twophase_TCE_diffusion_1D</prefix>
<timesteps>
<pair>
<repeat>1</repeat>
<each_steps>100</each_steps>
</pair>
</timesteps>
<output_iteration_results>false</output_iteration_results>
<variables>
<variable>capillary_pressure</variable>
<variable>gas_pressure</variable>
<variable>Xc</variable>
<variable>saturation</variable>
<variable>pressure_wetting</variable>
<variable>temperature</variable>
<variable>xwG</variable>
<variable>xcG</variable>
<variable>xcL</variable>
</variables>
<suffix>ts{:timestep}_t_{:time}</suffix>
</output>
</time_loop>
<process_variables>
<process_variable>
<name>capillary_pressure</name>
<components>1</components>
<order>1</order>
<initial_condition>pc_0</initial_condition>
<boundary_conditions>
<boundary_condition>
<mesh>bottom</mesh>
<type>Dirichlet</type>
<parameter>pc_Dirichlet_bottom</parameter>
</boundary_condition>
</boundary_conditions>
</process_variable>
<process_variable>
<name>gas_pressure</name>
<components>1</components>
<order>1</order>
<initial_condition>pg_0</initial_condition>
<boundary_conditions>
<boundary_condition>
<mesh>top</mesh>
<type>Dirichlet</type>
<parameter>pg_Dirichlet_top</parameter>
</boundary_condition>
<boundary_condition>
<mesh>bottom</mesh>
<type>Dirichlet</type>
<parameter>pg_Dirichlet_bottom</parameter>
</boundary_condition>
</boundary_conditions>
</process_variable>
<process_variable>
<name>Xc</name>
<components>1</components>
<order>1</order>
<initial_condition>Xc_0</initial_condition>
<boundary_conditions>
<boundary_condition>
<mesh>top</mesh>
<type>Dirichlet</type>
<parameter>Xc_0</parameter>
</boundary_condition>
<boundary_condition>
<mesh>sat_zone</mesh>
<type>Dirichlet</type>
<parameter>Xc_Dirichlet_sat_zone</parameter>
</boundary_condition>
</boundary_conditions>
</process_variable>
<process_variable>
<name>temperature</name>
<components>1</components>
<order>1</order>
<initial_condition>T_0</initial_condition>
<boundary_conditions>
<boundary_condition>
<mesh>domain</mesh>
<type>Dirichlet</type>
<parameter>T_0</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>
<lis>-i bicgstab -p ilu -tol 1e-18 -maxiter 10000</lis>
<eigen>
<solver_type>BiCGSTAB</solver_type>
<scaling>true</scaling>
<precon_type>ILUT</precon_type>
<max_iteration_step>10000</max_iteration_step>
<error_tolerance>1e-18</error_tolerance>
</eigen>
<petsc>
<prefix>multiphase</prefix>
<parameters>-gw_ksp_type cg -gw_pc_type bjacobi -gw_ksp_rtol 1e-16 -gw_ksp_max_it 10000</parameters>
</petsc>
</linear_solver>
</linear_solvers>
</OpenGeoSysProject>
1.11.0