 |
OGS
|
|
OGS
|
<OpenGeoSysProject>
<mesh>mesh.vtu</mesh>
<geometry>boundary.gml</geometry>
<processes>
<process>
<name>LD</name>
<type>LARGE_DEFORMATION</type>
<integration_order>3</integration_order>
<specific_body_force>0 0</specific_body_force>
<f_bar>element_center_value</f_bar>
<constitutive_relation>
<type>MFront</type>
<behaviour>NeoHooke</behaviour>
<material_properties>
<material_property name="YoungModulus" parameter="E" />
<material_property name="PoissonRatio" parameter="nu" />
</material_properties>
</constitutive_relation>
<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>
<media>
<medium>
<phases>
<phase>
<type>Solid</type>
<properties>
<property>
<name>density</name>
<type>Constant</type>
<value>0.0</value>
</property>
</properties>
</phase>
</phases>
</medium>
</media>
<time_loop>
<processes>
<process ref="LD">
<nonlinear_solver>basic_newton</nonlinear_solver>
<convergence_criterion>
<type>DeltaX</type>
<norm_type>NORM2</norm_type>
<abstol>3e-6</abstol>
</convergence_criterion>
<time_discretization>
<type>BackwardEuler</type>
</time_discretization>
<time_stepping>
<type>FixedTimeStepping</type>
<t_initial>0</t_initial>
<t_end>1</t_end>
<timesteps>
<pair>
<repeat>2</repeat>
<delta_t>1.0</delta_t>
</pair>
</timesteps>
</time_stepping>
</process>
</processes>
<output>
<type>VTK</type>
<prefix>cooks_membrane_ld_edge_div_4</prefix>
<timesteps>
<pair>
<repeat>1</repeat>
<each_steps>10000000</each_steps>
</pair>
</timesteps>
<variables>
<variable>displacement</variable>
<variable>sigma</variable>
<variable>epsilon</variable>
</variables>
<suffix>ts{:timestep}_t_{:time}</suffix>
</output>
</time_loop>
<parameters>
<parameter>
<name>E</name>
<type>Constant</type>
<value>240.565e6</value>
</parameter>
<parameter>
<name>nu</name>
<type>Constant</type>
<value>0.499</value>
</parameter>
<parameter>
<name>displacement0</name>
<type>Constant</type>
<values>0 0</values>
</parameter>
<parameter>
<name>Zero</name>
<type>Constant</type>
<value>0.</value>
</parameter>
<parameter>
<name>Dirichlet_bottom</name>
<type>Constant</type>
<value>0.</value>
</parameter>
<parameter>
<name>F</name>
<type>Constant</type>
<value>6250e3</value>
</parameter>
<parameter>
<name>FRamp</name>
<type>CurveScaled</type>
<curve>timeRamp</curve>
<parameter>F</parameter>
</parameter>
</parameters>
<curves>
<curve>
<name>timeRamp</name>
<coords>0 0.5 1</coords>
<values>0 0.5 1</values>
</curve>
</curves>
<process_variables>
<process_variable>
<name>displacement</name>
<components>2</components>
<order>1</order>
<initial_condition>displacement0</initial_condition>
<boundary_conditions>
<boundary_condition>
<geometrical_set>geometry</geometrical_set>
<geometry>left</geometry>
<type>Dirichlet</type>
<component>0</component>
<parameter>Zero</parameter>
</boundary_condition>
<boundary_condition>
<geometrical_set>geometry</geometrical_set>
<geometry>left</geometry>
<type>Dirichlet</type>
<component>1</component>
<parameter>Zero</parameter>
</boundary_condition>
<boundary_condition>
<geometrical_set>geometry</geometrical_set>
<geometry>right</geometry>
<type>Neumann</type>
<component>1</component>
<parameter>F</parameter>
</boundary_condition>
</boundary_conditions>
</process_variable>
</process_variables>
<nonlinear_solvers>
<nonlinear_solver>
<name>basic_newton</name>
<type>Newton</type>
<max_iter>40</max_iter>
<linear_solver>general_linear_solver</linear_solver>
</nonlinear_solver>
</nonlinear_solvers>
<linear_solvers>
<linear_solver>
<name>general_linear_solver</name>
<eigen>
<solver_type>BiCGSTAB</solver_type>
<precon_type>ILUT</precon_type>
<max_iteration_step>10000</max_iteration_step>
<error_tolerance>1e-20</error_tolerance>
</eigen>
</linear_solver>
</linear_solvers>
<test_definition>
<vtkdiff>
<file>cooks_membrane_ld_edge_div_4_ts_1_t_1.000000.vtu</file>
<field>displacement</field>
<absolute_tolerance>1e-12</absolute_tolerance>
<relative_tolerance>1e-10</relative_tolerance>
</vtkdiff>
<vtkdiff>
<file>cooks_membrane_ld_edge_div_4_ts_1_t_1.000000.vtu</file>
<field>epsilon</field>
<absolute_tolerance>2e-10</absolute_tolerance>
<relative_tolerance>5e-7</relative_tolerance>
</vtkdiff>
<vtkdiff>
<file>cooks_membrane_ld_edge_div_4_ts_1_t_1.000000.vtu</file>
<field>sigma</field>
<absolute_tolerance>2e-6</absolute_tolerance>
<relative_tolerance>8e-9</relative_tolerance>
</vtkdiff>
</test_definition>
</OpenGeoSysProject>
1.11.0