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Merge pull request #2544 from zhangning737/master
Added nonequilibrium_stress to ThermoMechanics process
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...MO_MECHANICS/nonequilibrium_state_variables/i_nonequilibrium_state_variables.md
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| Non-equilibrium initial state variables which are not explicitly in equilibrium | ||
| with any boundary conditions. They are not considered in the weak form but | ||
| affect the constitutive behaviour of the materials. |
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...j/processes/process/THERMO_MECHANICS/nonequilibrium_state_variables/t_stress.md
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| Non-equilibrium stress. |
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Tests/Data/ThermoMechanics/InitialStates/equilibrium_restart.prj
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| <?xml version="1.0" encoding="ISO-8859-1"?> | ||
| <OpenGeoSysProject> | ||
| <meshes> | ||
| <mesh>soil_column_q8_with_ic.vtu</mesh> | ||
| <mesh>soil_column_bottom.vtu</mesh> | ||
| <mesh>soil_column_top.vtu</mesh> | ||
| <mesh>soil_column_left.vtu</mesh> | ||
| <mesh>soil_column_right.vtu</mesh> | ||
| </meshes> | ||
| <processes> | ||
| <process> | ||
| <name>TM</name> | ||
| <type>THERMO_MECHANICS</type> | ||
| <integration_order>3</integration_order> | ||
| <constitutive_relation> | ||
| <type>LinearElasticIsotropic</type> | ||
| <youngs_modulus>E</youngs_modulus> | ||
| <poissons_ratio>nu</poissons_ratio> | ||
| </constitutive_relation> | ||
| <reference_solid_density>rho_sr</reference_solid_density> | ||
| <linear_thermal_expansion_coefficient>alpha</linear_thermal_expansion_coefficient> | ||
| <specific_heat_capacity>cs</specific_heat_capacity> | ||
| <thermal_conductivity>lambda</thermal_conductivity> | ||
| <specific_body_force>0 -9.81</specific_body_force> | ||
| <process_variables> | ||
| <displacement>displacement</displacement> | ||
| <temperature>temperature</temperature> | ||
| </process_variables> | ||
| <secondary_variables> | ||
| <secondary_variable type="static" internal_name="sigma" output_name="sigma"/> | ||
| <secondary_variable type="static" internal_name="epsilon" output_name="epsilon"/> | ||
| </secondary_variables> | ||
| </process> | ||
| </processes> | ||
| <time_loop> | ||
| <processes> | ||
| <process ref="TM"> | ||
| <nonlinear_solver>basic_newton</nonlinear_solver> | ||
| <convergence_criterion> | ||
| <type>DeltaX</type> | ||
| <norm_type>NORM2</norm_type> | ||
| <abstol>1e-12</abstol> | ||
| </convergence_criterion> | ||
| <time_discretization> | ||
| <type>BackwardEuler</type> | ||
| </time_discretization> | ||
| <time_stepping> | ||
| <type>FixedTimeStepping</type> | ||
| <t_initial>1</t_initial> | ||
| <t_end>2</t_end> | ||
| <timesteps> | ||
| <pair> | ||
| <repeat>2</repeat> | ||
| <delta_t>1</delta_t> | ||
| </pair> | ||
| </timesteps> | ||
| </time_stepping> | ||
| </process> | ||
| </processes> | ||
| <output> | ||
| <type>VTK</type> | ||
| <prefix>equilibrium_restart</prefix> | ||
| <timesteps> | ||
| <pair> | ||
| <repeat>2</repeat> | ||
| <each_steps>1</each_steps> | ||
| </pair> | ||
| </timesteps> | ||
| <variables> | ||
| <variable>displacement</variable> | ||
| <variable>temperature</variable> | ||
| <variable>sigma</variable> | ||
| <variable>epsilon</variable> | ||
| </variables> | ||
| </output> | ||
| </time_loop> | ||
| <parameters> | ||
| <parameter> | ||
| <name>E</name> | ||
| <type>Constant</type> | ||
| <value>1e9</value> | ||
| </parameter> | ||
| <parameter> | ||
| <name>nu</name> | ||
| <type>Constant</type> | ||
| <value>.0</value> | ||
| </parameter> | ||
| <parameter> | ||
| <name>rho_sr</name> | ||
| <type>Constant</type> | ||
| <value>2200.0</value> | ||
| </parameter> | ||
| <parameter> | ||
| <name>alpha</name> | ||
| <type>Constant</type> | ||
| <value>6e-6</value> | ||
| </parameter> | ||
| <parameter> | ||
| <name>cs</name> | ||
| <type>Constant</type> | ||
| <value>1</value> | ||
| </parameter> | ||
| <parameter> | ||
| <name>lambda</name> | ||
| <type>Constant</type> | ||
| <value>1</value> | ||
| </parameter> | ||
| <parameter> | ||
| <name>temperature_ic</name> | ||
| <type>Constant</type> | ||
| <value>0</value> | ||
| </parameter> | ||
| <parameter> | ||
| <name>displacement0</name> | ||
| <type>Constant</type> | ||
| <values>0 0</values> | ||
| </parameter> | ||
| <parameter> | ||
| <name>Dirichlet_left</name> | ||
| <type>Constant</type> | ||
| <value>0.</value> | ||
| </parameter> | ||
| <parameter> | ||
| <name>Zero</name> | ||
| <type>Constant</type> | ||
| <value>0.</value> | ||
| </parameter> | ||
| <parameter> | ||
| <name>maximum_top_pressure</name> | ||
| <type>Constant</type> | ||
| <value>-1e6</value> | ||
| </parameter> | ||
| <parameter> | ||
| <name>top_load</name> | ||
| <type>CurveScaled</type> | ||
| <curve>top_load_ramp</curve> | ||
| <parameter>maximum_top_pressure</parameter> | ||
| </parameter> | ||
| <parameter> | ||
| <mesh>soil_column_right</mesh> | ||
| <name>side_load</name> | ||
| <type>Function</type> | ||
| <expression>-0.8*2200.0*9.81*(100.0-y)</expression> | ||
| </parameter> | ||
| </parameters> | ||
| <curves> | ||
| <curve> | ||
| <name>top_load_ramp</name> | ||
| <coords>0.0 1.0 2.0</coords> | ||
| <values>0.0 0.5 1.0</values> | ||
| </curve> | ||
| </curves> | ||
| <process_variables> | ||
| <process_variable> | ||
| <name>displacement</name> | ||
| <components>2</components> | ||
| <order>2</order> | ||
| <initial_condition>displacement0</initial_condition> | ||
| <boundary_conditions> | ||
| <!-- fixed boundaries --> | ||
| <boundary_condition> | ||
| <mesh>soil_column_bottom</mesh> | ||
| <type>Dirichlet</type> | ||
| <component>1</component> | ||
| <parameter>Zero</parameter> | ||
| </boundary_condition> | ||
| <boundary_condition> | ||
| <mesh>soil_column_left</mesh> | ||
| <type>Dirichlet</type> | ||
| <component>0</component> | ||
| <parameter>Zero</parameter> | ||
| </boundary_condition> | ||
| <boundary_condition> | ||
| <mesh>soil_column_top</mesh> | ||
| <type>Neumann</type> | ||
| <component>1</component> | ||
| <parameter>top_load</parameter> | ||
| </boundary_condition> | ||
| <boundary_condition> | ||
| <mesh>soil_column_right</mesh> | ||
| <type>Neumann</type> | ||
| <component>0</component> | ||
| <parameter>side_load</parameter> | ||
| </boundary_condition> | ||
| </boundary_conditions> | ||
| </process_variable> | ||
| <process_variable> | ||
| <name>temperature</name> | ||
| <components>1</components> | ||
| <order>1</order> | ||
| <initial_condition>temperature_ic</initial_condition> | ||
| <boundary_conditions> | ||
| <boundary_condition> | ||
| <mesh>soil_column_left</mesh> | ||
| <type>Dirichlet</type> | ||
| <parameter>temperature_ic</parameter> | ||
| </boundary_condition> | ||
| </boundary_conditions> | ||
| </process_variable> | ||
| </process_variables> | ||
| <nonlinear_solvers> | ||
| <nonlinear_solver> | ||
| <name>basic_newton</name> | ||
| <type>Newton</type> | ||
| <max_iter>10</max_iter> | ||
| <linear_solver>general_linear_solver</linear_solver> | ||
| </nonlinear_solver> | ||
| </nonlinear_solvers> | ||
| <linear_solvers> | ||
| <linear_solver> | ||
| <name>general_linear_solver</name> | ||
| <lis>-i cg -p jacobi -tol 1e-16 -maxiter 10000</lis> | ||
| <eigen> | ||
| <solver_type>SparseLU</solver_type> | ||
| <precon_type>DIAGONAL</precon_type> | ||
| <!--solver_type>CG</solver_type> | ||
| <precon_type>DIAGONAL</precon_type> | ||
| <max_iteration_step>10000</max_iteration_step> | ||
| <error_tolerance>1e-16</error_tolerance--> | ||
| </eigen> | ||
| <petsc> | ||
| <prefix>sd</prefix> | ||
| <parameters>-sd_ksp_type cg -sd_pc_type bjacobi -sd_ksp_rtol 1e-16 -sd_ksp_max_it 10000</parameters> | ||
| </petsc> | ||
| </linear_solver> | ||
| </linear_solvers> | ||
| <test_definition> | ||
| <vtkdiff> | ||
| <file>equilibrium_restart_pcs_0_ts_1_t_2.000000.vtu</file> | ||
| <field>displacement</field> | ||
| <absolute_tolerance>1e-15</absolute_tolerance> | ||
| <relative_tolerance>0</relative_tolerance> | ||
| </vtkdiff> | ||
| <vtkdiff> | ||
| <file>equilibrium_restart_pcs_0_ts_1_t_2.000000.vtu</file> | ||
| <field>sigma</field> | ||
| <absolute_tolerance>1e-7</absolute_tolerance> | ||
| <relative_tolerance>0</relative_tolerance> | ||
| </vtkdiff> | ||
| </test_definition> | ||
| </OpenGeoSysProject> |
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Tests/Data/ThermoMechanics/InitialStates/equilibrium_restart_pcs_0_ts_1_t_2.000000.vtu
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