- initial_cell_dislocation_densityInitial density of cell (glissile) dislocations (1/m^2)
C++ Type:double
Controllable:No
Description:Initial density of cell (glissile) dislocations (1/m^2)
- initial_wall_dislocation_densitywall (locked) dislocation density initial value (1/m^2).
C++ Type:double
Controllable:No
Description:wall (locked) dislocation density initial value (1/m^2).
- temperatureThe coupled temperature (K)
C++ Type:std::vector<VariableName>
Controllable:No
Description:The coupled temperature (K)
LAROMANCEStressUpdate
Base class to calculate the effective creep strain based on the rates predicted by a material specific Los Alamos Reduced Order Model derived from a Visco-Plastic Self Consistent calculations.
Description
The LAROMANCEStressUpdate computes the creep rate of materials by sampling a Los Alamos Reduced Order Model Applied to Nonlinear Constitutive Equations (LAROMANCE) formulated via calibration with lower-length scale simulations.
A detailed explanation is given in the LAROMANCE documentation.
Input Parameters
- absolute_tolerance1e-11Absolute convergence tolerance for Newton iteration
Default:1e-11
C++ Type:double
Controllable:No
Description:Absolute convergence tolerance for Newton iteration
- acceptable_multiplier10Factor applied to relative and absolute tolerance for acceptable convergence if iterations are no longer making progress
Default:10
C++ Type:double
Controllable:No
Description:Factor applied to relative and absolute tolerance for acceptable convergence if iterations are no longer making progress
- adaptive_substeppingFalseUse adaptive substepping, where the number of substeps is successively doubled until the return mapping model successfully converges or the maximum number of substeps is reached.
Default:False
C++ Type:bool
Controllable:No
Description:Use adaptive substepping, where the number of substeps is successively doubled until the return mapping model successfully converges or the maximum number of substeps is reached.
- automatic_differentiation_return_mappingFalseWhether to use automatic differentiation to compute the derivative.
Default:False
C++ Type:bool
Controllable:No
Description:Whether to use automatic differentiation to compute the derivative.
- base_nameOptional parameter that defines a prefix for all material properties related to this stress update model. This allows for multiple models of the same type to be used without naming conflicts.
C++ Type:std::string
Controllable:No
Description:Optional parameter that defines a prefix for all material properties related to this stress update model. This allows for multiple models of the same type to be used without naming conflicts.
- blockThe list of blocks (ids or names) that this object will be applied
C++ Type:std::vector<SubdomainName>
Controllable:No
Description:The list of blocks (ids or names) that this object will be applied
- boundaryThe list of boundaries (ids or names) from the mesh where this object applies
C++ Type:std::vector<BoundaryName>
Controllable:No
Description:The list of boundaries (ids or names) from the mesh where this object applies
- cell_dislocations_normal_distribution_width0Width of the normal distribution to assign to the initial cell dislocation value. This is given as a fraction of the initial_cell_dislocation_density.
Default:0
C++ Type:double
Controllable:No
Description:Width of the normal distribution to assign to the initial cell dislocation value. This is given as a fraction of the initial_cell_dislocation_density.
- cell_input_window_high_failureEXCEPTIONWhat to do if cell dislocation concentration is outside the upper global window of applicability.
Default:EXCEPTION
C++ Type:MooseEnum
Controllable:No
Description:What to do if cell dislocation concentration is outside the upper global window of applicability.
- cell_input_window_low_failureEXCEPTIONWhat to do if cell dislocation concentration is outside the lower global window of applicability.
Default:EXCEPTION
C++ Type:MooseEnum
Controllable:No
Description:What to do if cell dislocation concentration is outside the lower global window of applicability.
- constant_onNONEWhen ELEMENT, MOOSE will only call computeQpProperties() for the 0th quadrature point, and then copy that value to the other qps.When SUBDOMAIN, MOOSE will only call computeQpProperties() for the 0th quadrature point, and then copy that value to the other qps. Evaluations on element qps will be skipped
Default:NONE
C++ Type:MooseEnum
Controllable:No
Description:When ELEMENT, MOOSE will only call computeQpProperties() for the 0th quadrature point, and then copy that value to the other qps.When SUBDOMAIN, MOOSE will only call computeQpProperties() for the 0th quadrature point, and then copy that value to the other qps. Evaluations on element qps will be skipped
- declare_suffixAn optional suffix parameter that can be appended to any declared properties. The suffix will be prepended with a '_' character.
C++ Type:MaterialPropertyName
Controllable:No
Description:An optional suffix parameter that can be appended to any declared properties. The suffix will be prepended with a '_' character.
- environment_input_window_high_failureEXCEPTIONWhat to do if environmental factor is outside the upper global window of applicability.
Default:EXCEPTION
C++ Type:MooseEnum
Controllable:No
Description:What to do if environmental factor is outside the upper global window of applicability.
- environment_input_window_low_failureEXTRAPOLATEWhat to do if environmental factor is outside the lower global window of applicability.
Default:EXTRAPOLATE
C++ Type:MooseEnum
Controllable:No
Description:What to do if environmental factor is outside the lower global window of applicability.
- environmental_factorOptional coupled environmental factor
C++ Type:MaterialPropertyName
Controllable:No
Description:Optional coupled environmental factor
- export_modelWrite LaRomance model to JSON datafile
C++ Type:FileName
Controllable:No
Description:Write LaRomance model to JSON datafile
- max_inelastic_increment0.0001The maximum inelastic strain increment allowed in a time step
Default:0.0001
C++ Type:double
Controllable:No
Description:The maximum inelastic strain increment allowed in a time step
- max_relative_cell_dislocation_increment0.5Maximum increment of density of cell (glissile) dislocations.
Default:0.5
C++ Type:double
Controllable:No
Description:Maximum increment of density of cell (glissile) dislocations.
- max_relative_wall_dislocation_increment0.5Maximum increment of wall (locked) dislocation density initial value (1/m^2).
Default:0.5
C++ Type:double
Controllable:No
Description:Maximum increment of wall (locked) dislocation density initial value (1/m^2).
- maximum_number_substeps25The maximum number of substeps allowed before cutting the time step.
Default:25
C++ Type:unsigned int
Controllable:No
Description:The maximum number of substeps allowed before cutting the time step.
- modelLaRomance model JSON datafile
C++ Type:FileName
Controllable:No
Description:LaRomance model JSON datafile
- old_strain_input_window_high_failureEXCEPTIONWhat to do if old strain is outside the upper global window of applicability.
Default:EXCEPTION
C++ Type:MooseEnum
Controllable:No
Description:What to do if old strain is outside the upper global window of applicability.
- old_strain_input_window_low_failureEXCEPTIONWhat to do if old strain is outside the lower global window of applicability.
Default:EXCEPTION
C++ Type:MooseEnum
Controllable:No
Description:What to do if old strain is outside the lower global window of applicability.
- prop_getter_suffixAn optional suffix parameter that can be appended to any attempt to retrieve/get material properties. The suffix will be prepended with a '_' character.
C++ Type:MaterialPropertyName
Controllable:No
Description:An optional suffix parameter that can be appended to any attempt to retrieve/get material properties. The suffix will be prepended with a '_' character.
- relative_tolerance1e-08Relative convergence tolerance for Newton iteration
Default:1e-08
C++ Type:double
Controllable:No
Description:Relative convergence tolerance for Newton iteration
- stress_input_window_high_failureEXCEPTIONWhat to do if stress is outside the upper global window of applicability.
Default:EXCEPTION
C++ Type:MooseEnum
Controllable:No
Description:What to do if stress is outside the upper global window of applicability.
- stress_input_window_low_failureEXTRAPOLATEWhat to do if stress is outside the lower global window of applicability.
Default:EXTRAPOLATE
C++ Type:MooseEnum
Controllable:No
Description:What to do if stress is outside the lower global window of applicability.
- temperature_input_window_high_failureEXCEPTIONWhat to do if temperature is outside the upper global window of applicability.
Default:EXCEPTION
C++ Type:MooseEnum
Controllable:No
Description:What to do if temperature is outside the upper global window of applicability.
- temperature_input_window_low_failureEXTRAPOLATEWhat to do if temperature is outside the lower global window of applicability.
Default:EXTRAPOLATE
C++ Type:MooseEnum
Controllable:No
Description:What to do if temperature is outside the lower global window of applicability.
- use_substep_integration_errorFalseIf true, it establishes a substep size that will yield, at most,the creep numerical integration error given by substep_strain_tolerance.
Default:False
C++ Type:bool
Controllable:No
Description:If true, it establishes a substep size that will yield, at most,the creep numerical integration error given by substep_strain_tolerance.
- use_substeppingNONEWhether and how to use substepping
Default:NONE
C++ Type:MooseEnum
Controllable:No
Description:Whether and how to use substepping
- verboseFalseFlag to output verbose information.
Default:False
C++ Type:bool
Controllable:No
Description:Flag to output verbose information.
- wall_dislocations_normal_distribution_width0Width of the normal distribution to assign to the initial wall dislocation value. This is given as a fraction of the initial_wall_dislocation_density.
Default:0
C++ Type:double
Controllable:No
Description:Width of the normal distribution to assign to the initial wall dislocation value. This is given as a fraction of the initial_wall_dislocation_density.
- wall_input_window_high_failureEXCEPTIONWhat to do if wall dislocation concentration is outside the upper global window of applicability.
Default:EXCEPTION
C++ Type:MooseEnum
Controllable:No
Description:What to do if wall dislocation concentration is outside the upper global window of applicability.
- wall_input_window_low_failureEXCEPTIONWhat to do if wall dislocation concentration is outside the lower global window of applicability.
Default:EXCEPTION
C++ Type:MooseEnum
Controllable:No
Description:What to do if wall dislocation concentration is outside the lower global window of applicability.
Optional Parameters
- apply_strainTrueFlag to apply strain. Used for testing.
Default:True
C++ Type:bool
Controllable:No
Description:Flag to apply strain. Used for testing.
- cell_dislocation_density_forcing_functionOptional forcing function for wall dislocation. If provided, the wall dislocation density will be reset to the function value at the beginning of the timestep. Used for testing purposes only.
C++ Type:FunctionName
Controllable:No
Description:Optional forcing function for wall dislocation. If provided, the wall dislocation density will be reset to the function value at the beginning of the timestep. Used for testing purposes only.
- control_tagsAdds user-defined labels for accessing object parameters via control logic.
C++ Type:std::vector<std::string>
Controllable:No
Description:Adds user-defined labels for accessing object parameters via control logic.
- effective_inelastic_strain_nameeffective_creep_strainName of the material property that stores the effective inelastic strain
Default:effective_creep_strain
C++ Type:std::string
Controllable:No
Description:Name of the material property that stores the effective inelastic strain
- effective_stress_forcing_functionOptional forcing function for the effective stress. If provided, the effective stress will be reset to the function value at the beginning of the timestep. Used for testing purposes only.
C++ Type:FunctionName
Controllable:No
Description:Optional forcing function for the effective stress. If provided, the effective stress will be reset to the function value at the beginning of the timestep. Used for testing purposes only.
- enableTrueSet the enabled status of the MooseObject.
Default:True
C++ Type:bool
Controllable:Yes
Description:Set the enabled status of the MooseObject.
- implicitTrueDetermines whether this object is calculated using an implicit or explicit form
Default:True
C++ Type:bool
Controllable:No
Description:Determines whether this object is calculated using an implicit or explicit form
- old_creep_strain_forcing_functionOptional forcing function for the creep strain from the previous timestep. If provided, the old creep strain will be reset to the function value at the beginning of the timestep. Used for testing purposes only.
C++ Type:FunctionName
Controllable:No
Description:Optional forcing function for the creep strain from the previous timestep. If provided, the old creep strain will be reset to the function value at the beginning of the timestep. Used for testing purposes only.
- seed0Random number generator seed
Default:0
C++ Type:unsigned int
Controllable:No
Description:Random number generator seed
- stress_unitPaunit of stress
Default:Pa
C++ Type:std::string
Controllable:No
Description:unit of stress
- substep_strain_tolerance0.1Maximum ratio of the initial elastic strain increment at start of the return mapping solve to the maximum inelastic strain allowable in a single substep. Reduce this value to increase the number of substeps
Default:0.1
C++ Type:double
Controllable:No
Description:Maximum ratio of the initial elastic strain increment at start of the return mapping solve to the maximum inelastic strain allowable in a single substep. Reduce this value to increase the number of substeps
- use_displaced_meshFalseWhether or not this object should use the displaced mesh for computation. Note that in the case this is true but no displacements are provided in the Mesh block the undisplaced mesh will still be used.
Default:False
C++ Type:bool
Controllable:No
Description:Whether or not this object should use the displaced mesh for computation. Note that in the case this is true but no displacements are provided in the Mesh block the undisplaced mesh will still be used.
- wall_dislocation_density_forcing_functionOptional forcing function for wall dislocation. If provided, the wall dislocation density will be reset to the function value at the beginning of the timestep. Used for testing purposes only.
C++ Type:FunctionName
Controllable:No
Description:Optional forcing function for wall dislocation. If provided, the wall dislocation density will be reset to the function value at the beginning of the timestep. Used for testing purposes only.
Advanced Parameters
- internal_solve_full_iteration_historyFalseSet true to output full internal Newton iteration history at times determined by `internal_solve_output_on`. If false, only a summary is output.
Default:False
C++ Type:bool
Controllable:No
Description:Set true to output full internal Newton iteration history at times determined by `internal_solve_output_on`. If false, only a summary is output.
- internal_solve_output_onon_errorWhen to output internal Newton solve information
Default:on_error
C++ Type:MooseEnum
Controllable:No
Description:When to output internal Newton solve information
Debug Parameters
- output_propertiesList of material properties, from this material, to output (outputs must also be defined to an output type)
C++ Type:std::vector<std::string>
Controllable:No
Description:List of material properties, from this material, to output (outputs must also be defined to an output type)
- outputsnone Vector of output names where you would like to restrict the output of variables(s) associated with this object
Default:none
C++ Type:std::vector<OutputName>
Controllable:No
Description:Vector of output names where you would like to restrict the output of variables(s) associated with this object