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OGS
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OGS
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<OpenGeoSysProject>
<meshes>
<mesh>domain.vtu</mesh>
<mesh>physical_group_DSS1.vtu</mesh>
<mesh>physical_group_DSS2.vtu</mesh>
<mesh>physical_group_DSS3.vtu</mesh>
<mesh>physical_group_DSS4.vtu</mesh>
<mesh>physical_group_DSS5.vtu</mesh>
<mesh>physical_group_DSS6.vtu</mesh>
<mesh>physical_group_DSS7.vtu</mesh>
<mesh>physical_group_DSS8.vtu</mesh>
<mesh>physical_group_DSS1a.vtu</mesh>
<mesh>physical_group_DSS2a.vtu</mesh>
<mesh>physical_group_DSS3a.vtu</mesh>
<mesh>physical_group_DSS4a.vtu</mesh>
<mesh>physical_group_DSS5a.vtu</mesh>
<mesh>physical_group_DSS6a.vtu</mesh>
<mesh>physical_group_DSS7a.vtu</mesh>
<mesh>physical_group_DSS8a.vtu</mesh>
<mesh>physical_group_PEE1.vtu</mesh>
<mesh>physical_group_PEE2.vtu</mesh>
<mesh>physical_group_PEE3.vtu</mesh>
<mesh>physical_group_PEE4.vtu</mesh>
<mesh>physical_group_PEE5.vtu</mesh>
<mesh>physical_group_PEE6.vtu</mesh>
<mesh>physical_group_PEE7.vtu</mesh>
<mesh>physical_group_PEE8.vtu</mesh>
<mesh>physical_group_PEE1a.vtu</mesh>
<mesh>physical_group_PEE2a.vtu</mesh>
<mesh>physical_group_PEE3a.vtu</mesh>
<mesh>physical_group_PEE4a.vtu</mesh>
<mesh>physical_group_PEE5a.vtu</mesh>
<mesh>physical_group_PEE6a.vtu</mesh>
<mesh>physical_group_PEE7a.vtu</mesh>
<mesh>physical_group_PEE8a.vtu</mesh>
<mesh>physical_group_p_left.vtu</mesh>
<mesh>physical_group_p_right.vtu</mesh>
<mesh>physical_group_p_top.vtu</mesh>
<mesh>physical_group_p_bottom.vtu</mesh>
</meshes>
<processes>
<process>
<name>M</name>
<type>SMALL_DEFORMATION</type>
<integration_order>3</integration_order>
<process_variables>
<process_variable>displacement</process_variable>
</process_variables>
<constitutive_relation id="0">
<type>LinearElasticIsotropic</type>
<youngs_modulus>E1</youngs_modulus>
<poissons_ratio>nu1</poissons_ratio>
</constitutive_relation>
<constitutive_relation id="1">
<type>LinearElasticIsotropic</type>
<youngs_modulus>E1</youngs_modulus>
<poissons_ratio>nu1</poissons_ratio>
</constitutive_relation>
<constitutive_relation id="2">
<type>LinearElasticIsotropic</type>
<youngs_modulus>E2</youngs_modulus>
<poissons_ratio>nu2</poissons_ratio>
</constitutive_relation>
<secondary_variables>
<secondary_variable internal_name="sigma" output_name="sigma" />
<secondary_variable internal_name="epsilon" output_name="epsilon" />
</secondary_variables>
<specific_body_force>0.0 0.0</specific_body_force>
</process>
</processes>
<time_loop>
<processes>
<process ref="M">
<nonlinear_solver>basic_newton_u</nonlinear_solver>
<convergence_criterion>
<type>DeltaX</type>
<norm_type>NORM2</norm_type>
<abstol>1e-15</abstol>
</convergence_criterion>
<time_discretization>
<type>BackwardEuler</type>
</time_discretization>
<time_stepping>
<type>FixedTimeStepping</type>
<t_initial>0</t_initial>
<t_end>3500</t_end>
<timesteps>
<pair>
<repeat>1</repeat>
<delta_t>100.0</delta_t>
</pair>
</timesteps>
</time_stepping>
</process>
</processes>
<output>
<type>VTK</type>
<prefix>great_cell_physical_group_embedded_fracture_M</prefix>
<variables>
<variable>MaterialIDs</variable>
<variable>displacement</variable>
<variable>sigma</variable>
<variable>epsilon</variable>
</variables>
<output_iteration_results>false</output_iteration_results>
<timesteps>
<pair>
<repeat>1</repeat>
<each_steps>5</each_steps>
</pair>
</timesteps>
</output>
</time_loop>
<media>
<medium id="0">
<phases>
<phase>
<type>Solid</type>
<properties>
<property>
<name>density</name>
<type>Constant</type>
<value>0.0</value>
</property>
</properties>
</phase>
</phases>
</medium>
<medium id="1">
<phases>
<phase>
<type>Solid</type>
<properties>
<property>
<name>density</name>
<type>Constant</type>
<value>0.0</value>
</property>
</properties>
</phase>
</phases>
</medium>
<medium id="2">
<phases>
<phase>
<type>Solid</type>
<properties>
<property>
<name>density</name>
<type>Constant</type>
<value>2650</value>
</property>
</properties>
</phase>
</phases>
</medium>
</media>
<parameters>
<parameter>
<name>E1</name>
<type>Constant</type>
<value>3.85e9</value>
</parameter>
<parameter>
<name>nu1</name>
<type>Constant</type>
<value>0.4</value>
</parameter>
<parameter>
<name>E2</name>
<type>Constant</type>
<value>1e8</value>
</parameter>
<parameter>
<name>nu2</name>
<type>Constant</type>
<value>0.4</value>
</parameter>
<parameter>
<name>u0</name>
<type>Constant</type>
<values>0 0</values>
</parameter>
<parameter>
<name>zero</name>
<type>Constant</type>
<value>0</value>
</parameter>
<parameter>
<name>loading</name>
<type>Constant</type>
<value>1</value>
</parameter>
<parameter>
<name>PEE1_SURFACE_CURVE</name>
<type>CurveScaled</type>
<curve>PEE1_SURFACE_CURVE</curve>
<parameter>loading</parameter>
</parameter>
<parameter>
<name>PEE2_SURFACE_CURVE</name>
<type>CurveScaled</type>
<curve>PEE2_SURFACE_CURVE</curve>
<parameter>loading</parameter>
</parameter>
<parameter>
<name>PEE3_SURFACE_CURVE</name>
<type>CurveScaled</type>
<curve>PEE3_SURFACE_CURVE</curve>
<parameter>loading</parameter>
</parameter>
<parameter>
<name>PEE5_SURFACE_CURVE</name>
<type>CurveScaled</type>
<curve>PEE5_SURFACE_CURVE</curve>
<parameter>loading</parameter>
</parameter>
<parameter>
<name>PEE4_SURFACE_CURVE</name>
<type>CurveScaled</type>
<curve>PEE4_SURFACE_CURVE</curve>
<parameter>loading</parameter>
</parameter>
<parameter>
<name>PEE6_SURFACE_CURVE</name>
<type>CurveScaled</type>
<curve>PEE6_SURFACE_CURVE</curve>
<parameter>loading</parameter>
</parameter>
<parameter>
<name>PEE7_SURFACE_CURVE</name>
<type>CurveScaled</type>
<curve>PEE7_SURFACE_CURVE</curve>
<parameter>loading</parameter>
</parameter>
<parameter>
<name>PEE8_SURFACE_CURVE</name>
<type>CurveScaled</type>
<curve>PEE8_SURFACE_CURVE</curve>
<parameter>loading</parameter>
</parameter>
<parameter>
<name>PEE1a_SURFACE_CURVE</name>
<type>CurveScaled</type>
<curve>PEE1a_SURFACE_CURVE</curve>
<parameter>loading</parameter>
</parameter>
<parameter>
<name>PEE2a_SURFACE_CURVE</name>
<type>CurveScaled</type>
<curve>PEE2a_SURFACE_CURVE</curve>
<parameter>loading</parameter>
</parameter>
<parameter>
<name>PEE3a_SURFACE_CURVE</name>
<type>CurveScaled</type>
<curve>PEE3a_SURFACE_CURVE</curve>
<parameter>loading</parameter>
</parameter>
<parameter>
<name>PEE4a_SURFACE_CURVE</name>
<type>CurveScaled</type>
<curve>PEE4a_SURFACE_CURVE</curve>
<parameter>loading</parameter>
</parameter>
<parameter>
<name>PEE5a_SURFACE_CURVE</name>
<type>CurveScaled</type>
<curve>PEE5a_SURFACE_CURVE</curve>
<parameter>loading</parameter>
</parameter>
<parameter>
<name>PEE6a_SURFACE_CURVE</name>
<type>CurveScaled</type>
<curve>PEE6a_SURFACE_CURVE</curve>
<parameter>loading</parameter>
</parameter>
<parameter>
<name>PEE7a_SURFACE_CURVE</name>
<type>CurveScaled</type>
<curve>PEE7a_SURFACE_CURVE</curve>
<parameter>loading</parameter>
</parameter>
<parameter>
<name>PEE8a_SURFACE_CURVE</name>
<type>CurveScaled</type>
<curve>PEE8a_SURFACE_CURVE</curve>
<parameter>loading</parameter>
</parameter>
<parameter>
<name>DSS1_SURFACE_CURVE</name>
<type>CurveScaled</type>
<curve>DSS1_SURFACE_CURVE</curve>
<parameter>loading</parameter>
</parameter>
<parameter>
<name>DSS2_SURFACE_CURVE</name>
<type>CurveScaled</type>
<curve>DSS2_SURFACE_CURVE</curve>
<parameter>loading</parameter>
</parameter>
<parameter>
<name>DSS3_SURFACE_CURVE</name>
<type>CurveScaled</type>
<curve>DSS3_SURFACE_CURVE</curve>
<parameter>loading</parameter>
</parameter>
<parameter>
<name>DSS5_SURFACE_CURVE</name>
<type>CurveScaled</type>
<curve>DSS5_SURFACE_CURVE</curve>
<parameter>loading</parameter>
</parameter>
<parameter>
<name>DSS4_SURFACE_CURVE</name>
<type>CurveScaled</type>
<curve>DSS4_SURFACE_CURVE</curve>
<parameter>loading</parameter>
</parameter>
<parameter>
<name>DSS6_SURFACE_CURVE</name>
<type>CurveScaled</type>
<curve>DSS6_SURFACE_CURVE</curve>
<parameter>loading</parameter>
</parameter>
<parameter>
<name>DSS7_SURFACE_CURVE</name>
<type>CurveScaled</type>
<curve>DSS7_SURFACE_CURVE</curve>
<parameter>loading</parameter>
</parameter>
<parameter>
<name>DSS8_SURFACE_CURVE</name>
<type>CurveScaled</type>
<curve>DSS8_SURFACE_CURVE</curve>
<parameter>loading</parameter>
</parameter>
<parameter>
<name>DSS1a_SURFACE_CURVE</name>
<type>CurveScaled</type>
<curve>DSS1a_SURFACE_CURVE</curve>
<parameter>loading</parameter>
</parameter>
<parameter>
<name>DSS2a_SURFACE_CURVE</name>
<type>CurveScaled</type>
<curve>DSS2a_SURFACE_CURVE</curve>
<parameter>loading</parameter>
</parameter>
<parameter>
<name>DSS3a_SURFACE_CURVE</name>
<type>CurveScaled</type>
<curve>DSS3a_SURFACE_CURVE</curve>
<parameter>loading</parameter>
</parameter>
<parameter>
<name>DSS4a_SURFACE_CURVE</name>
<type>CurveScaled</type>
<curve>DSS4a_SURFACE_CURVE</curve>
<parameter>loading</parameter>
</parameter>
<parameter>
<name>DSS5a_SURFACE_CURVE</name>
<type>CurveScaled</type>
<curve>DSS5a_SURFACE_CURVE</curve>
<parameter>loading</parameter>
</parameter>
<parameter>
<name>DSS6a_SURFACE_CURVE</name>
<type>CurveScaled</type>
<curve>DSS6a_SURFACE_CURVE</curve>
<parameter>loading</parameter>
</parameter>
<parameter>
<name>DSS7a_SURFACE_CURVE</name>
<type>CurveScaled</type>
<curve>DSS7a_SURFACE_CURVE</curve>
<parameter>loading</parameter>
</parameter>
<parameter>
<name>DSS8a_SURFACE_CURVE</name>
<type>CurveScaled</type>
<curve>DSS8a_SURFACE_CURVE</curve>
<parameter>loading</parameter>
</parameter>
</parameters>
<curves>
<curve>
<name>PEE1_SURFACE_CURVE</name>
<coords>0 500</coords>
<values>-7730000.0 -7730000.0</values>
</curve>
<curve>
<name>PEE2_SURFACE_CURVE</name>
<coords>0 500</coords>
<values>-5700000.0 -5700000.0</values>
</curve>
<curve>
<name>PEE3_SURFACE_CURVE</name>
<coords>0 500</coords>
<values>-4390000.0 -4390000.0</values>
</curve>
<curve>
<name>PEE4_SURFACE_CURVE</name>
<coords>0 500</coords>
<values>-2400000.0 -2400000.0</values>
</curve>
<curve>
<name>PEE5_SURFACE_CURVE</name>
<coords>0 500</coords>
<values>-2300000.0 -2300000.0</values>
</curve>
<curve>
<name>PEE6_SURFACE_CURVE</name>
<coords>0 500</coords>
<values>-4000000.0 -4000000.0</values>
</curve>
<curve>
<name>PEE7_SURFACE_CURVE</name>
<coords>0 500</coords>
<values>-6400000.0 -6400000.0</values>
</curve>
<curve>
<name>PEE8_SURFACE_CURVE</name>
<coords>0 500</coords>
<values>-7700000.0 -7700000.0</values>
</curve>
<curve>
<name>PEE1a_SURFACE_CURVE</name>
<coords>0 500</coords>
<values>-7730000.0 -7730000.0</values>
</curve>
<curve>
<name>PEE2a_SURFACE_CURVE</name>
<coords>0 500</coords>
<values>-5700000.0 -5700000.0</values>
</curve>
<curve>
<name>PEE3a_SURFACE_CURVE</name>
<coords>0 500</coords>
<values>-4390000.0 -4390000.0</values>
</curve>
<curve>
<name>PEE4a_SURFACE_CURVE</name>
<coords>0 500</coords>
<values>-2400000.0 -2400000.0</values>
</curve>
<curve>
<name>PEE5a_SURFACE_CURVE</name>
<coords>0 500</coords>
<values>-2300000.0 -2300000.0</values>
</curve>
<curve>
<name>PEE6a_SURFACE_CURVE</name>
<coords>0 500</coords>
<values>-4000000.0 -4000000.0</values>
</curve>
<curve>
<name>PEE7a_SURFACE_CURVE</name>
<coords>0 500</coords>
<values>-6400000.0 -6400000.0</values>
</curve>
<curve>
<name>PEE8a_SURFACE_CURVE</name>
<coords>0 500</coords>
<values>-7700000.0 -7700000.0</values>
</curve>
<curve>
<name>DSS1_SURFACE_CURVE</name>
<coords>0 500</coords>
<values>-6715000.0 -6715000.0</values>
</curve>
<curve>
<name>DSS2_SURFACE_CURVE</name>
<coords>0 500</coords>
<values>-5045000.0 -5045000.0</values>
</curve>
<curve>
<name>DSS3_SURFACE_CURVE</name>
<coords>0 500</coords>
<values>-3395000.0 -3395000.0</values>
</curve>
<curve>
<name>DSS4_SURFACE_CURVE</name>
<coords>0 500</coords>
<values>-2350000.0 -2350000.0</values>
</curve>
<curve>
<name>DSS5_SURFACE_CURVE</name>
<coords>0 500</coords>
<values>-3150000.0 -3150000.0</values>
</curve>
<curve>
<name>DSS6_SURFACE_CURVE</name>
<coords>0 500</coords>
<values>-5200000.0 -5200000.0</values>
</curve>
<curve>
<name>DSS7_SURFACE_CURVE</name>
<coords>0 500</coords>
<values>-7050000.0 -7050000.0</values>
</curve>
<curve>
<name>DSS8_SURFACE_CURVE</name>
<coords>0 500</coords>
<values>-7715000.0 -7715000.0</values>
</curve>
<curve>
<name>DSS1a_SURFACE_CURVE</name>
<coords>0 500</coords>
<values>-6715000.0 -6715000.0</values>
</curve>
<curve>
<name>DSS2a_SURFACE_CURVE</name>
<coords>0 500</coords>
<values>-5045000.0 -5045000.0</values>
</curve>
<curve>
<name>DSS3a_SURFACE_CURVE</name>
<coords>0 500</coords>
<values>-3395000.0 -3395000.0</values>
</curve>
<curve>
<name>DSS4a_SURFACE_CURVE</name>
<coords>0 500</coords>
<values>-2350000.0 -2350000.0</values>
</curve>
<curve>
<name>DSS5a_SURFACE_CURVE</name>
<coords>0 500</coords>
<values>-3150000.0 -3150000.0</values>
</curve>
<curve>
<name>DSS6a_SURFACE_CURVE</name>
<coords>0 500</coords>
<values>-5200000.0 -5200000.0</values>
</curve>
<curve>
<name>DSS7a_SURFACE_CURVE</name>
<coords>0 500</coords>
<values>-7050000.0 -7050000.0</values>
</curve>
<curve>
<name>DSS8a_SURFACE_CURVE</name>
<coords>0 500</coords>
<values>-7715000.0 -7715000.0</values>
</curve>
</curves>
<process_variables>
<process_variable>
<name>displacement</name>
<components>2</components>
<order>1</order>
<initial_condition>u0</initial_condition>
<boundary_conditions>
<boundary_condition>
<mesh>physical_group_p_bottom</mesh>
<type>Dirichlet</type>
<component>0</component>
<parameter>zero</parameter>
</boundary_condition>
<boundary_condition>
<mesh>physical_group_p_bottom</mesh>
<type>Dirichlet</type>
<component>1</component>
<parameter>zero</parameter>
</boundary_condition>
<boundary_condition>
<mesh>physical_group_p_left</mesh>
<type>Dirichlet</type>
<component>0</component>
<parameter>zero</parameter>
</boundary_condition>
<boundary_condition>
<mesh>physical_group_PEE1</mesh>
<type>NormalTraction</type>
<parameter>PEE1_SURFACE_CURVE</parameter>
</boundary_condition>
<boundary_condition>
<mesh>physical_group_PEE2</mesh>
<type>NormalTraction</type>
<parameter>PEE2_SURFACE_CURVE</parameter>
</boundary_condition>
<boundary_condition>
<mesh>physical_group_PEE3</mesh>
<type>NormalTraction</type>
<parameter>PEE3_SURFACE_CURVE</parameter>
</boundary_condition>
<boundary_condition>
<mesh>physical_group_PEE4</mesh>
<type>NormalTraction</type>
<parameter>PEE4_SURFACE_CURVE</parameter>
</boundary_condition>
<boundary_condition>
<mesh>physical_group_PEE5</mesh>
<type>NormalTraction</type>
<parameter>PEE5_SURFACE_CURVE</parameter>
</boundary_condition>
<boundary_condition>
<mesh>physical_group_PEE6</mesh>
<type>NormalTraction</type>
<parameter>PEE6_SURFACE_CURVE</parameter>
</boundary_condition>
<boundary_condition>
<mesh>physical_group_PEE7</mesh>
<type>NormalTraction</type>
<parameter>PEE7_SURFACE_CURVE</parameter>
</boundary_condition>
<boundary_condition>
<mesh>physical_group_PEE8</mesh>
<type>NormalTraction</type>
<parameter>PEE8_SURFACE_CURVE</parameter>
</boundary_condition>
<boundary_condition>
<mesh>physical_group_PEE1a</mesh>
<type>NormalTraction</type>
<parameter>PEE1a_SURFACE_CURVE</parameter>
</boundary_condition>
<boundary_condition>
<mesh>physical_group_PEE2a</mesh>
<type>NormalTraction</type>
<parameter>PEE2a_SURFACE_CURVE</parameter>
</boundary_condition>
<boundary_condition>
<mesh>physical_group_PEE3a</mesh>
<type>NormalTraction</type>
<parameter>PEE3a_SURFACE_CURVE</parameter>
</boundary_condition>
<boundary_condition>
<mesh>physical_group_PEE4a</mesh>
<type>NormalTraction</type>
<parameter>PEE4a_SURFACE_CURVE</parameter>
</boundary_condition>
<boundary_condition>
<mesh>physical_group_PEE5a</mesh>
<type>NormalTraction</type>
<parameter>PEE5a_SURFACE_CURVE</parameter>
</boundary_condition>
<boundary_condition>
<mesh>physical_group_PEE6a</mesh>
<type>NormalTraction</type>
<parameter>PEE6a_SURFACE_CURVE</parameter>
</boundary_condition>
<boundary_condition>
<mesh>physical_group_PEE7a</mesh>
<type>NormalTraction</type>
<parameter>PEE7a_SURFACE_CURVE</parameter>
</boundary_condition>
<boundary_condition>
<mesh>physical_group_PEE8a</mesh>
<type>NormalTraction</type>
<parameter>PEE8a_SURFACE_CURVE</parameter>
</boundary_condition>
<boundary_condition>
<mesh>physical_group_DSS1</mesh>
<type>NormalTraction</type>
<parameter>DSS1_SURFACE_CURVE</parameter>
</boundary_condition>
<boundary_condition>
<mesh>physical_group_DSS2</mesh>
<type>NormalTraction</type>
<parameter>DSS2_SURFACE_CURVE</parameter>
</boundary_condition>
<boundary_condition>
<mesh>physical_group_DSS3</mesh>
<type>NormalTraction</type>
<parameter>DSS3_SURFACE_CURVE</parameter>
</boundary_condition>
<boundary_condition>
<mesh>physical_group_DSS4</mesh>
<type>NormalTraction</type>
<parameter>DSS4_SURFACE_CURVE</parameter>
</boundary_condition>
<boundary_condition>
<mesh>physical_group_DSS5</mesh>
<type>NormalTraction</type>
<parameter>DSS5_SURFACE_CURVE</parameter>
</boundary_condition>
<boundary_condition>
<mesh>physical_group_DSS6</mesh>
<type>NormalTraction</type>
<parameter>DSS6_SURFACE_CURVE</parameter>
</boundary_condition>
<boundary_condition>
<mesh>physical_group_DSS7</mesh>
<type>NormalTraction</type>
<parameter>DSS7_SURFACE_CURVE</parameter>
</boundary_condition>
<boundary_condition>
<mesh>physical_group_DSS8</mesh>
<type>NormalTraction</type>
<parameter>DSS8_SURFACE_CURVE</parameter>
</boundary_condition>
<boundary_condition>
<mesh>physical_group_DSS1a</mesh>
<type>NormalTraction</type>
<parameter>DSS1a_SURFACE_CURVE</parameter>
</boundary_condition>
<boundary_condition>
<mesh>physical_group_DSS2a</mesh>
<type>NormalTraction</type>
<parameter>DSS2a_SURFACE_CURVE</parameter>
</boundary_condition>
<boundary_condition>
<mesh>physical_group_DSS3a</mesh>
<type>NormalTraction</type>
<parameter>DSS3a_SURFACE_CURVE</parameter>
</boundary_condition>
<boundary_condition>
<mesh>physical_group_DSS4a</mesh>
<type>NormalTraction</type>
<parameter>DSS4a_SURFACE_CURVE</parameter>
</boundary_condition>
<boundary_condition>
<mesh>physical_group_DSS5a</mesh>
<type>NormalTraction</type>
<parameter>DSS5a_SURFACE_CURVE</parameter>
</boundary_condition>
<boundary_condition>
<mesh>physical_group_DSS6a</mesh>
<type>NormalTraction</type>
<parameter>DSS6a_SURFACE_CURVE</parameter>
</boundary_condition>
<boundary_condition>
<mesh>physical_group_DSS7a</mesh>
<type>NormalTraction</type>
<parameter>DSS7a_SURFACE_CURVE</parameter>
</boundary_condition>
<boundary_condition>
<mesh>physical_group_DSS8a</mesh>
<type>NormalTraction</type>
<parameter>DSS8a_SURFACE_CURVE</parameter>
</boundary_condition>
</boundary_conditions>
</process_variable>
</process_variables>
<nonlinear_solvers>
<nonlinear_solver>
<name>basic_newton_u</name>
<type>Newton</type>
<max_iter>10</max_iter>
<linear_solver>linear_solver_u</linear_solver>
</nonlinear_solver>
</nonlinear_solvers>
<linear_solvers>
<linear_solver>
<name>linear_solver_u</name>
<eigen>
<solver_type>SparseLU</solver_type>
<scaling>true</scaling>
</eigen>
<petsc>
<parameters>-ksp_type bcgs
-pc_type ilu
-ksp_rtol 1.e-20 -ksp_atol 1.e-18
-ksp_max_it 4000</parameters>
</petsc>
</linear_solver>
</linear_solvers>
</OpenGeoSysProject>
1.12.0