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OGS
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OGS
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<OpenGeoSysProject>
<meshes>
<mesh>cube_1x1x1_hex_1e3.vtu</mesh>
<mesh>cube_1x1x1_geometry_left0.vtu</mesh>
<mesh>cube_1x1x1_geometry_left1.vtu</mesh>
<mesh>cube_1x1x1_geometry_left2.vtu</mesh>
<mesh>cube_1x1x1_geometry_left3.vtu</mesh>
<mesh>cube_1x1x1_geometry_left4.vtu</mesh>
<mesh>cube_1x1x1_geometry_left5.vtu</mesh>
<mesh>cube_1x1x1_geometry_left6.vtu</mesh>
<mesh>cube_1x1x1_geometry_left7.vtu</mesh>
<mesh>cube_1x1x1_geometry_left8.vtu</mesh>
<mesh>cube_1x1x1_geometry_left9.vtu</mesh>
<mesh>cube_1x1x1_geometry_right.vtu</mesh>
</meshes>
<processes>
<process>
<name>LiquidFlow</name>
<type>LIQUID_FLOW</type>
<integration_order>2</integration_order>
<process_variables>
<process_variable>p</process_variable>
</process_variables>
<secondary_variables>
<secondary_variable internal_name="darcy_velocity" output_name="v" />
</secondary_variables>
<specific_body_force>0.0 0.0 -9.81</specific_body_force>
</process>
</processes>
<media>
<medium id="0">
<phases>
<phase>
<type>AqueousLiquid</type>
<properties>
<property>
<name>density</name>
<type>Constant</type>
<value>1.e3</value>
</property>
<property>
<name>viscosity</name>
<type>Constant</type>
<value>1.e-3</value>
</property>
</properties>
</phase>
</phases>
<properties>
<property>
<name>permeability</name>
<type>Constant</type>
<value>1.e-14 0 0 0 1.e-14 0 0 0 1.e-14</value>
</property>
<property>
<name>reference_temperature</name>
<type>Constant</type>
<value>293.15</value>
</property>
<property>
<name>porosity</name>
<type>Constant</type>
<value>0.1</value>
</property>
<property>
<name>storage</name>
<type>Constant</type>
<value>0.0</value>
</property>
</properties>
</medium>
</media>
<time_loop>
<processes>
<process ref="LiquidFlow">
<nonlinear_solver>basic_picard</nonlinear_solver>
<convergence_criterion>
<type>DeltaX</type>
<norm_type>NORM2</norm_type>
<abstol>1.e-3</abstol>
</convergence_criterion>
<time_discretization>
<type>BackwardEuler</type>
</time_discretization>
<time_stepping>
<type>FixedTimeStepping</type>
<t_initial>0.0</t_initial>
<t_end>1e-7</t_end>
<timesteps>
<pair>
<repeat>1</repeat>
<delta_t>1e-7</delta_t>
</pair>
<pair>
<repeat>1</repeat>
<delta_t>1e-5</delta_t>
</pair>
<pair>
<repeat>1</repeat>
<delta_t>1e-3</delta_t>
</pair>
<pair>
<repeat>1</repeat>
<delta_t>1e-1</delta_t>
</pair>
<pair>
<repeat>1</repeat>
<delta_t>1</delta_t>
</pair>
<pair>
<repeat>1</repeat>
<delta_t>10</delta_t>
</pair>
</timesteps>
</time_stepping>
</process>
</processes>
<output>
<type>VTK</type>
<prefix>LF_constraint_bc_1e3</prefix>
<timesteps>
<pair>
<repeat>10</repeat>
<each_steps>1</each_steps>
</pair>
</timesteps>
<variables>
<variable>p</variable>
<variable>darcy_velocity</variable>
</variables>
<suffix>ts{:timestep}_t_{:time}</suffix>
</output>
</time_loop>
<parameters>
<parameter>
<name>P0</name>
<type>Constant</type>
<value>2.99e7</value>
</parameter>
<parameter>
<name>p_Dirichlet_left0</name>
<type>Constant</type>
<value>3e7</value>
</parameter>
<parameter>
<name>p_Dirichlet_left1</name>
<type>Constant</type>
<value>2.99e7</value>
</parameter>
<parameter>
<name>p_Dirichlet_left2</name>
<type>Constant</type>
<value>2.99e7</value>
</parameter>
<parameter>
<name>p_Dirichlet_left3</name>
<type>Constant</type>
<value>2.99e7</value>
</parameter>
<parameter>
<name>p_Dirichlet_left4</name>
<type>Constant</type>
<value>2.99e7</value>
</parameter>
<parameter>
<name>p_Dirichlet_left5</name>
<type>Constant</type>
<value>2.99e7</value>
</parameter>
<parameter>
<name>p_Dirichlet_left6</name>
<type>Constant</type>
<value>2.99e7</value>
</parameter>
<parameter>
<name>p_Dirichlet_left7</name>
<type>Constant</type>
<value>2.99e7</value>
</parameter>
<parameter>
<name>p_Dirichlet_left8</name>
<type>Constant</type>
<value>2.99e7</value>
</parameter>
<parameter>
<name>p_Dirichlet_left9</name>
<type>Constant</type>
<value>2.99e7</value>
</parameter>
<parameter>
<name>p_Dirichlet_right</name>
<type>Constant</type>
<value>2.99e7</value>
</parameter>
</parameters>
<process_variables>
<process_variable>
<name>p</name>
<components>1</components>
<order>1</order>
<initial_condition>P0</initial_condition>
<boundary_conditions>
<boundary_condition>
<mesh>cube_1x1x1_geometry_left0</mesh>
<type>ConstraintDirichlet</type>
<constraint_type>Flux</constraint_type>
<constraining_process_variable>p</constraining_process_variable>
<constraint_threshold>0.0</constraint_threshold>
<constraint_direction>greater</constraint_direction>
<parameter>p_Dirichlet_left0</parameter>
</boundary_condition>
<boundary_condition>
<mesh>cube_1x1x1_geometry_left1</mesh>
<type>ConstraintDirichlet</type>
<constraint_type>Flux</constraint_type>
<constraining_process_variable>p</constraining_process_variable>
<constraint_threshold>0.0</constraint_threshold>
<constraint_direction>greater</constraint_direction>
<parameter>p_Dirichlet_left1</parameter>
</boundary_condition>
<boundary_condition>
<mesh>cube_1x1x1_geometry_left2</mesh>
<type>ConstraintDirichlet</type>
<parameter>p_Dirichlet_left2</parameter>
<constraint_type>Flux</constraint_type>
<constraining_process_variable>p</constraining_process_variable>
<constraint_threshold>0.0</constraint_threshold>
<constraint_direction>greater</constraint_direction>
</boundary_condition>
<boundary_condition>
<mesh>cube_1x1x1_geometry_left3</mesh>
<type>ConstraintDirichlet</type>
<constraint_type>Flux</constraint_type>
<constraining_process_variable>p</constraining_process_variable>
<constraint_threshold>0.0</constraint_threshold>
<constraint_direction>greater</constraint_direction>
<parameter>p_Dirichlet_left3</parameter>
</boundary_condition>
<boundary_condition>
<mesh>cube_1x1x1_geometry_left4</mesh>
<type>ConstraintDirichlet</type>
<constraint_type>Flux</constraint_type>
<constraining_process_variable>p</constraining_process_variable>
<constraint_threshold>0.0</constraint_threshold>
<constraint_direction>greater</constraint_direction>
<parameter>p_Dirichlet_left4</parameter>
</boundary_condition>
<boundary_condition>
<mesh>cube_1x1x1_geometry_left5</mesh>
<type>ConstraintDirichlet</type>
<constraint_type>Flux</constraint_type>
<constraining_process_variable>p</constraining_process_variable>
<constraint_threshold>0.0</constraint_threshold>
<constraint_direction>greater</constraint_direction>
<parameter>p_Dirichlet_left5</parameter>
</boundary_condition>
<boundary_condition>
<mesh>cube_1x1x1_geometry_left6</mesh>
<type>ConstraintDirichlet</type>
<constraint_type>Flux</constraint_type>
<constraining_process_variable>p</constraining_process_variable>
<constraint_threshold>0.0</constraint_threshold>
<constraint_direction>greater</constraint_direction>
<parameter>p_Dirichlet_left6</parameter>
</boundary_condition>
<boundary_condition>
<mesh>cube_1x1x1_geometry_left7</mesh>
<type>ConstraintDirichlet</type>
<constraint_type>Flux</constraint_type>
<constraining_process_variable>p</constraining_process_variable>
<constraint_threshold>0.0</constraint_threshold>
<constraint_direction>greater</constraint_direction>
<parameter>p_Dirichlet_left7</parameter>
</boundary_condition>
<boundary_condition>
<mesh>cube_1x1x1_geometry_left8</mesh>
<type>ConstraintDirichlet</type>
<constraint_type>Flux</constraint_type>
<constraining_process_variable>p</constraining_process_variable>
<constraint_threshold>0.0</constraint_threshold>
<constraint_direction>greater</constraint_direction>
<parameter>p_Dirichlet_left8</parameter>
</boundary_condition>
<boundary_condition>
<mesh>cube_1x1x1_geometry_left9</mesh>
<type>ConstraintDirichlet</type>
<constraint_type>Flux</constraint_type>
<constraining_process_variable>p</constraining_process_variable>
<constraint_threshold>0.0</constraint_threshold>
<constraint_direction>greater</constraint_direction>
<parameter>p_Dirichlet_left9</parameter>
</boundary_condition>
<boundary_condition>
<mesh>cube_1x1x1_geometry_right</mesh>
<type>Dirichlet</type>
<parameter>p_Dirichlet_right</parameter>
</boundary_condition>
</boundary_conditions>
</process_variable>
</process_variables>
<nonlinear_solvers>
<nonlinear_solver>
<name>basic_picard</name>
<type>Picard</type>
<max_iter>1000</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 jacobi -tol 1e-12 -maxiter 10000</lis>
<petsc>
<prefix>T</prefix>
<parameters>-T_ksp_type bcgs -T_pc_type bjacobi -T_ksp_rtol 1e-16 -T_ksp_max_it 4000</parameters>
</petsc>
<eigen>
<solver_type>BiCGSTAB</solver_type>
<precon_type>DIAGONAL</precon_type>
<max_iteration_step>10000</max_iteration_step>
<error_tolerance>1e-12</error_tolerance>
</eigen>
</linear_solver>
</linear_solvers>
</OpenGeoSysProject>
1.12.0