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OGS
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OGS
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<OpenGeoSysProject>
<mesh>cube_1x1x1_hex_1e0.vtu</mesh>
<geometry>cube_1x1x1.gml</geometry>
<processes>
<process>
<name>SD</name>
<type>SMALL_DEFORMATION</type>
<integration_order>2</integration_order>
<constitutive_relation>
<type>Ehlers</type>
<shear_modulus>G</shear_modulus>
<bulk_modulus>K</bulk_modulus>
<kappa>kappa</kappa>
<beta>beta</beta>
<gamma>gamma</gamma>
<hardening_modulus>hard</hardening_modulus>
<alpha>alpha</alpha>
<delta>delta</delta>
<eps>epsilon</eps>
<m>m</m>
<alphap>alphap</alphap>
<deltap>deltap</deltap>
<epsp>epsilonp</epsp>
<mp>mp</mp>
<betap>betap</betap>
<gammap>gammap</gammap>
<tangent_type>Plastic</tangent_type>
<nonlinear_solver>
<maximum_iterations>100</maximum_iterations>
<residuum_tolerance>1e-14</residuum_tolerance>
<increment_tolerance>0</increment_tolerance>
</nonlinear_solver>
</constitutive_relation>
<specific_body_force>0 0 0</specific_body_force>
<process_variables>
<process_variable>displacement</process_variable>
</process_variables>
<secondary_variables>
<secondary_variable internal_name="sigma" output_name="sigma" />
<secondary_variable internal_name="epsilon" output_name="epsilon" />
</secondary_variables>
</process>
</processes>
<time_loop>
<processes>
<process ref="SD">
<nonlinear_solver>petsc_snes</nonlinear_solver>
<convergence_criterion>
<type>DeltaX</type>
<norm_type>NORM2</norm_type>
<abstol>1e-14</abstol>
</convergence_criterion>
<time_discretization>
<type>BackwardEuler</type>
</time_discretization>
<time_stepping>
<type>FixedTimeStepping</type>
<t_initial>0</t_initial>
<t_end>5.1</t_end>
<timesteps>
<pair>
<repeat>1</repeat>
<delta_t>0.05</delta_t>
</pair>
<pair>
<repeat>1000</repeat>
<delta_t>0.025</delta_t>
</pair>
</timesteps>
</time_stepping>
</process>
</processes>
<output>
<type>VTK</type>
<prefix>cube_1e0</prefix>
<timesteps>
<pair>
<repeat>10000000</repeat>
<each_steps>1</each_steps>
</pair>
</timesteps>
<variables>
<variable>displacement</variable>
<variable>sigma</variable>
<variable>epsilon</variable>
</variables>
<suffix>ts{:timestep}_t_{:time}</suffix>
</output>
</time_loop>
<media>
<medium>
<phases>
<phase>
<type>Solid</type>
<properties>
<property>
<name>density</name>
<type>Constant</type>
<value>1</value>
</property>
</properties>
</phase>
</phases>
</medium>
</media>
<parameters>
<parameter>
<name>G</name>
<type>Constant</type>
<value>150.</value>
</parameter>
<parameter>
<name>K</name>
<type>Constant</type>
<value>200.</value>
</parameter>
<parameter>
<name>kappa</name>
<type>Constant</type>
<value>0.1</value>
</parameter>
<parameter>
<name>beta</name>
<type>Constant</type>
<value>0.095</value>
</parameter>
<parameter>
<name>gamma</name>
<type>Constant</type>
<value>1.</value>
</parameter>
<parameter>
<name>hard</name>
<type>Constant</type>
<value>0.</value>
</parameter>
<parameter>
<name>alpha</name>
<type>Constant</type>
<value>0.01</value>
</parameter>
<parameter>
<name>delta</name>
<type>Constant</type>
<value>0.0078</value>
</parameter>
<parameter>
<name>epsilon</name>
<type>Constant</type>
<value>0.1</value>
</parameter>
<parameter>
<name>m</name>
<type>Constant</type>
<value>0.54</value>
</parameter>
<parameter>
<name>alphap</name>
<type>Constant</type>
<value>0.01</value>
</parameter>
<parameter>
<name>deltap</name>
<type>Constant</type>
<value>0.0078</value>
</parameter>
<parameter>
<name>epsilonp</name>
<type>Constant</type>
<value>0.1</value>
</parameter>
<parameter>
<name>mp</name>
<type>Constant</type>
<value>0.54</value>
</parameter>
<parameter>
<name>betap</name>
<type>Constant</type>
<value>0.0608</value>
</parameter>
<parameter>
<name>gammap</name>
<type>Constant</type>
<value>1.</value>
</parameter>
<parameter>
<name>displacement0</name>
<type>Constant</type>
<values>0 0 0</values>
</parameter>
<parameter>
<name>Dirichlet_left</name>
<type>Constant</type>
<value>0.</value>
</parameter>
<parameter>
<name>Dirichlet_bottom</name>
<type>Constant</type>
<value>0.</value>
</parameter>
<parameter>
<name>Dirichlet_front</name>
<type>Constant</type>
<value>0.</value>
</parameter>
<parameter>
<name>Dirichlet_top_spatial</name>
<type>Constant</type>
<value>1</value>
</parameter>
<parameter>
<name>Neumann_spatial</name>
<type>Constant</type>
<value>1</value>
</parameter>
<parameter>
<name>Dirichlet_top</name>
<type>CurveScaled</type>
<curve>Dirichlet_top_temporal</curve>
<parameter>Dirichlet_top_spatial</parameter>
</parameter>
<parameter>
<name>Neumann_force_right</name>
<type>CurveScaled</type>
<curve>Neumann_temporal_right</curve>
<parameter>Neumann_spatial</parameter>
</parameter>
<parameter>
<name>Neumann_force_top</name>
<type>CurveScaled</type>
<curve>Neumann_temporal_top</curve>
<parameter>Neumann_spatial</parameter>
</parameter>
</parameters>
<curves>
<curve>
<name>Dirichlet_top_temporal</name>
<coords>0.0 0.1 5.1</coords>
<values>0.0 0.0 -0.005</values>
</curve>
<curve>
<name>Neumann_temporal_right</name>
<coords>0.0 0.1 5.1</coords>
<values>0.0 -0.07 -0.02</values>
</curve>
<curve>
<name>Neumann_temporal_top</name>
<coords>0.0 0.1 5.1</coords>
<values>0 -0.07 -0.02</values>
</curve>
</curves>
<process_variables>
<process_variable>
<name>displacement</name>
<components>3</components>
<order>1</order>
<initial_condition>displacement0</initial_condition>
<boundary_conditions>
<boundary_condition>
<geometrical_set>cube_1x1x1_geometry</geometrical_set>
<geometry>left</geometry>
<type>Dirichlet</type>
<component>0</component>
<parameter>Dirichlet_left</parameter>
</boundary_condition>
<boundary_condition>
<geometrical_set>cube_1x1x1_geometry</geometrical_set>
<geometry>front</geometry>
<type>Dirichlet</type>
<component>1</component>
<parameter>Dirichlet_front</parameter>
</boundary_condition>
<boundary_condition>
<geometrical_set>cube_1x1x1_geometry</geometrical_set>
<geometry>bottom</geometry>
<type>Dirichlet</type>
<component>2</component>
<parameter>Dirichlet_bottom</parameter>
</boundary_condition>
<boundary_condition>
<geometrical_set>cube_1x1x1_geometry</geometrical_set>
<geometry>right</geometry>
<type>Neumann</type>
<component>0</component>
<parameter>Neumann_force_right</parameter>
</boundary_condition>
<boundary_condition>
<geometrical_set>cube_1x1x1_geometry</geometrical_set>
<geometry>back</geometry>
<type>Dirichlet</type>
<component>1</component>
<parameter>Dirichlet_top</parameter>
</boundary_condition>
<boundary_condition>
<geometrical_set>cube_1x1x1_geometry</geometrical_set>
<geometry>top</geometry>
<type>Neumann</type>
<component>2</component>
<parameter>Neumann_force_top</parameter>
</boundary_condition>
</boundary_conditions>
</process_variable>
</process_variables>
<nonlinear_solvers>
<nonlinear_solver>
<name>petsc_snes</name>
<type>PETScSNES</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>
<petsc>
<parameters>-snes_type newtonls -snes_rtol 1e-16 -ksp_type cg -pc_type bjacobi -ksp_rtol 1e-16</parameters>
</petsc>
</linear_solver>
</linear_solvers>
<test_definition>
<vtkdiff>
<file>cube_1e0_ts_101_t_2.550000.vtu</file>
<field>displacement</field>
<absolute_tolerance>1e-14</absolute_tolerance>
<relative_tolerance>0</relative_tolerance>
</vtkdiff>
<vtkdiff>
<file>cube_1e0_ts_101_t_2.550000.vtu</file>
<field>sigma</field>
<absolute_tolerance>4e-13</absolute_tolerance>
<relative_tolerance>0</relative_tolerance>
</vtkdiff>
<vtkdiff>
<file>cube_1e0_ts_203_t_5.100000.vtu</file>
<field>displacement</field>
<absolute_tolerance>1e-14</absolute_tolerance>
<relative_tolerance>0</relative_tolerance>
</vtkdiff>
<vtkdiff>
<file>cube_1e0_ts_203_t_5.100000.vtu</file>
<field>sigma</field>
<absolute_tolerance>6e-13</absolute_tolerance>
<relative_tolerance>0</relative_tolerance>
</vtkdiff>
</test_definition>
</OpenGeoSysProject>
1.12.0