OGS
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<OpenGeoSysProject>
<include file="cube_strain_flow_data.include" />
<time_loop>
<processes>
<process ref="HM">
<nonlinear_solver>basic_newton</nonlinear_solver>
<convergence_criterion>
<type>PerComponentDeltaX</type>
<norm_type>NORM2</norm_type>
<reltols>1e-15 1e-15 1e-15 1e-15</reltols>
</convergence_criterion>
<time_discretization>
<type>BackwardEuler</type>
</time_discretization>
<time_stepping>
<type>FixedTimeStepping</type>
<t_initial>0</t_initial>
<t_end>1e9</t_end>
<timesteps>
<pair>
<repeat>1</repeat>
<delta_t>1e8</delta_t>
</pair>
</timesteps>
</time_stepping>
</process>
</processes>
<output>
<type>VTK</type>
<prefix>y_strain_z_flow</prefix>
<timesteps>
<pair>
<repeat>1</repeat>
<each_steps>10</each_steps>
</pair>
</timesteps>
<variables>
<variable>displacement</variable>
<variable>pressure</variable>
<variable>permeability</variable>
<variable>sigma_xx</variable>
<variable>sigma_yy</variable>
<variable>sigma_zz</variable>
<variable>sigma_xy</variable>
<variable>epsilon</variable>
<variable>epsilon_xx</variable>
<variable>epsilon_yy</variable>
<variable>epsilon_zz</variable>
<variable>epsilon_xy</variable>
<variable>velocity</variable>
</variables>
</output>
</time_loop>
<process_variables>
<process_variable>
<name>displacement</name>
<components>3</components>
<order>2</order>
<initial_condition>displacement0</initial_condition>
<boundary_conditions>
<boundary_condition>
<geometrical_set>cube_1x1x1_geometry</geometrical_set>
<geometry>front</geometry>
<type>Dirichlet</type>
<component>1</component>
<parameter>dirichlet0</parameter>
</boundary_condition>
<boundary_condition>
<geometrical_set>cube_1x1x1_geometry</geometrical_set>
<geometry>back</geometry>
<type>Dirichlet</type>
<component>1</component>
<parameter>disp</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>
<geometrical_set>cube_1x1x1_geometry</geometrical_set>
<geometry>bottom</geometry>
<type>Neumann</type>
<component>0</component>
<parameter>flow_in</parameter>
</boundary_condition>
<boundary_condition>
<geometrical_set>cube_1x1x1_geometry</geometrical_set>
<geometry>top</geometry>
<type>Dirichlet</type>
<component>0</component>
<parameter>pressure_ic</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>
<lis>-i bicgstab -p ilu -tol 1e-12 -maxiter 10000</lis>
<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>