- cohesionA SolidMechanicsHardening UserObject that defines hardening of the cohesion. Physically the cohesion should not be negative.
C++ Type:UserObjectName
Unit:(no unit assumed)
Controllable:No
Description:A SolidMechanicsHardening UserObject that defines hardening of the cohesion. Physically the cohesion should not be negative.
- compressive_strengthA SolidMechanicsHardening UserObject that defines hardening of the weak-plane compressive strength. In physical situations this is positive.
C++ Type:UserObjectName
Unit:(no unit assumed)
Controllable:No
Description:A SolidMechanicsHardening UserObject that defines hardening of the weak-plane compressive strength. In physical situations this is positive.
- normal_vectorThe normal vector to the weak plane
C++ Type:libMesh::VectorValue<double>
Unit:(no unit assumed)
Controllable:No
Description:The normal vector to the weak plane
- smoothing_tolIntersections of the yield surfaces will be smoothed by this amount (this is measured in units of stress). Often this is related to other physical parameters (eg, 0.1*cohesion) but it is important to set this small enough so that the individual yield surfaces do not mix together in the smoothing process to produce a result where no stress is admissible (for example, mixing together tensile and compressive failure envelopes).
C++ Type:double
Unit:(no unit assumed)
Controllable:No
Description:Intersections of the yield surfaces will be smoothed by this amount (this is measured in units of stress). Often this is related to other physical parameters (eg, 0.1*cohesion) but it is important to set this small enough so that the individual yield surfaces do not mix together in the smoothing process to produce a result where no stress is admissible (for example, mixing together tensile and compressive failure envelopes).
- tan_dilation_angleA SolidMechanicsHardening UserObject that defines hardening of the tan(dilation angle). Usually the dilation angle is not greater than the friction angle, and it is between 0 and 90deg.
C++ Type:UserObjectName
Unit:(no unit assumed)
Controllable:No
Description:A SolidMechanicsHardening UserObject that defines hardening of the tan(dilation angle). Usually the dilation angle is not greater than the friction angle, and it is between 0 and 90deg.
- tan_friction_angleA SolidMechanicsHardening UserObject that defines hardening of tan(friction angle). Physically the friction angle should be between 0 and 90deg.
C++ Type:UserObjectName
Unit:(no unit assumed)
Controllable:No
Description:A SolidMechanicsHardening UserObject that defines hardening of tan(friction angle). Physically the friction angle should be between 0 and 90deg.
- tensile_strengthA SolidMechanicsHardening UserObject that defines hardening of the weak-plane tensile strength. In physical situations this is positive (and always must be greater than negative compressive-strength.
C++ Type:UserObjectName
Unit:(no unit assumed)
Controllable:No
Description:A SolidMechanicsHardening UserObject that defines hardening of the weak-plane tensile strength. In physical situations this is positive (and always must be greater than negative compressive-strength.
- tip_smootherThe cone vertex at shear-stress = 0 will be smoothed by the given amount. Typical value is 0.1*cohesion
C++ Type:double
Unit:(no unit assumed)
Controllable:No
Description:The cone vertex at shear-stress = 0 will be smoothed by the given amount. Typical value is 0.1*cohesion
- yield_function_tolThe return-map process will be deemed to have converged if all yield functions are within yield_function_tol of zero. If this is set very low then precision-loss might be encountered: if the code detects precision loss then it also deems the return-map process has converged.
C++ Type:double
Unit:(no unit assumed)
Controllable:No
Description:The return-map process will be deemed to have converged if all yield functions are within yield_function_tol of zero. If this is set very low then precision-loss might be encountered: if the code detects precision loss then it also deems the return-map process has converged.
CappedWeakInclinedPlaneStressUpdate
Capped weak inclined plane plasticity stress calculator
See CappedWeakPlaneStressUpdate for details on the capped weak plane stress model with a non-inclined weak plane, where the weak plane's normal is .
This material accepts an arbitrary weak plane normal vector. In the reference frame where the inclined plane's normal aligns with the axis, the assumptions listed in this section must hold.
See the theory manual (at solid_mechanics/doc/theory/capped_weak_plane.pdf) for more explanation.
Input Parameters
- admissible_stressA single admissible value of the value of the stress parameters for internal parameters = 0. This is used to initialize the return-mapping algorithm during the first nonlinear iteration. If not given then it is assumed that stress parameters = 0 is admissible.
C++ Type:std::vector<double>
Unit:(no unit assumed)
Controllable:No
Description:A single admissible value of the value of the stress parameters for internal parameters = 0. This is used to initialize the return-mapping algorithm during the first nonlinear iteration. If not given then it is assumed that stress parameters = 0 is admissible.
- 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
Unit:(no unit assumed)
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>
Unit:(no unit assumed)
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>
Unit:(no unit assumed)
Controllable:No
Description:The list of boundaries (ids or names) from the mesh where this object applies
- 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
Unit:(no unit assumed)
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
Unit:(no unit assumed)
Controllable:No
Description:An optional suffix parameter that can be appended to any declared properties. The suffix will be prepended with a '_' character.
- max_NR_iterations20Maximum number of Newton-Raphson iterations allowed during the return-map algorithm
Default:20
C++ Type:unsigned int
Unit:(no unit assumed)
Controllable:No
Description:Maximum number of Newton-Raphson iterations allowed during the return-map algorithm
- min_step_size1In order to help the Newton-Raphson procedure, the applied strain increment may be applied in sub-increments of size greater than this value. Usually it is better for Moose's nonlinear convergence to increase max_NR_iterations rather than decrease this parameter.
Default:1
C++ Type:double
Unit:(no unit assumed)
Controllable:No
Description:In order to help the Newton-Raphson procedure, the applied strain increment may be applied in sub-increments of size greater than this value. Usually it is better for Moose's nonlinear convergence to increase max_NR_iterations rather than decrease this parameter.
- perfect_guessTrueProvide a guess to the Newton-Raphson procedure that is the result from perfect plasticity. With severe hardening/softening this may be suboptimal.
Default:True
C++ Type:bool
Unit:(no unit assumed)
Controllable:No
Description:Provide a guess to the Newton-Raphson procedure that is the result from perfect plasticity. With severe hardening/softening this may be suboptimal.
- perform_finite_strain_rotationsFalseTensors are correctly rotated in finite-strain simulations. For optimal performance you can set this to 'false' if you are only ever using small strains
Default:False
C++ Type:bool
Unit:(no unit assumed)
Controllable:No
Description:Tensors are correctly rotated in finite-strain simulations. For optimal performance you can set this to 'false' if you are only ever using small strains
- 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
Unit:(no unit assumed)
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.
- use_interpolated_stateFalseFor the old and older state use projected material properties interpolated at the quadrature points. To set up projection use the ProjectedStatefulMaterialStorageAction.
Default:False
C++ Type:bool
Unit:(no unit assumed)
Controllable:No
Description:For the old and older state use projected material properties interpolated at the quadrature points. To set up projection use the ProjectedStatefulMaterialStorageAction.
- warn_about_precision_lossFalseOutput a message to the console every time precision-loss is encountered during the Newton-Raphson process
Default:False
C++ Type:bool
Unit:(no unit assumed)
Controllable:No
Description:Output a message to the console every time precision-loss is encountered during the Newton-Raphson process
Optional Parameters
- control_tagsAdds user-defined labels for accessing object parameters via control logic.
C++ Type:std::vector<std::string>
Unit:(no unit assumed)
Controllable:No
Description:Adds user-defined labels for accessing object parameters via control logic.
- enableTrueSet the enabled status of the MooseObject.
Default:True
C++ Type:bool
Unit:(no unit assumed)
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
Unit:(no unit assumed)
Controllable:No
Description:Determines whether this object is calculated using an implicit or explicit form
- seed0The seed for the master random number generator
Default:0
C++ Type:unsigned int
Unit:(no unit assumed)
Controllable:No
Description:The seed for the master random number generator
- smoother_function_typecosType of smoother function to use. 'cos' means (-a/pi)cos(pi x/2/a), 'polyN' means a polynomial of degree 2N+2
Default:cos
C++ Type:MooseEnum
Unit:(no unit assumed)
Controllable:No
Description:Type of smoother function to use. 'cos' means (-a/pi)cos(pi x/2/a), 'polyN' means a polynomial of degree 2N+2
- 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
Unit:(no unit assumed)
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.
Advanced 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>
Unit:(no unit assumed)
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>
Unit:(no unit assumed)
Controllable:No
Description:Vector of output names where you would like to restrict the output of variables(s) associated with this object