- 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.
- dilation_angleA SolidMechanicsHardening UserObject that defines hardening of the dilation angle (in radians). 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 dilation angle (in radians). Usually the dilation angle is not greater than the friction angle, and it is between 0 and 90deg.
- friction_angleA SolidMechanicsHardening UserObject that defines hardening of the friction angle (in radians). 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 the friction angle (in radians). Physically the friction angle should be between 0 and 90deg.
- internal_constraint_toleranceThe Newton-Raphson process is only deemed converged if the internal constraint is less than this.
C++ Type:double
Unit:(no unit assumed)
Controllable:No
Description:The Newton-Raphson process is only deemed converged if the internal constraint is less than this.
- mc_tip_smootherSmoothing parameter: the cone vertex at mean = cohesion*cot(friction_angle), will be smoothed by the given amount. Typical value is 0.1*cohesion
C++ Type:double
Unit:(no unit assumed)
Controllable:No
Description:Smoothing parameter: the cone vertex at mean = cohesion*cot(friction_angle), will be smoothed by the given amount. Typical value is 0.1*cohesion
- yield_function_toleranceIf the yield function is less than this amount, the (stress, internal parameter) are deemed admissible.
C++ Type:double
Unit:(no unit assumed)
Controllable:No
Description:If the yield function is less than this amount, the (stress, internal parameter) are deemed admissible.
SolidMechanicsPlasticMohrCoulomb
The SolidMechanicsPlasticMohrCoulomb has not been documented. The content listed below should be used as a starting point for documenting the class, which includes the typical automatic documentation associated with a MooseObject; however, what is contained is ultimately determined by what is necessary to make the documentation clear for users.
Non-associative Mohr-Coulomb plasticity with hardening/softening
Overview
Example Input File Syntax
Input Parameters
- cap_rate0For the 'cap' tip_scheme, this controls how quickly the cap degenerates to a hemisphere: small values mean a slow degeneration to a hemisphere (and zero means the 'cap' will be totally inactive). Typical value is 1/tensile_strength
Default:0
C++ Type:double
Unit:(no unit assumed)
Controllable:No
Description:For the 'cap' tip_scheme, this controls how quickly the cap degenerates to a hemisphere: small values mean a slow degeneration to a hemisphere (and zero means the 'cap' will be totally inactive). Typical value is 1/tensile_strength
- cap_start0For the 'cap' tip_scheme, smoothing is performed in the stress_mean > cap_start region
Default:0
C++ Type:double
Unit:(no unit assumed)
Controllable:No
Description:For the 'cap' tip_scheme, smoothing is performed in the stress_mean > cap_start region
- execute_onTIMESTEP_ENDThe list of flag(s) indicating when this object should be executed. For a description of each flag, see https://mooseframework.inl.gov/source/interfaces/SetupInterface.html.
Default:TIMESTEP_END
C++ Type:ExecFlagEnum
Unit:(no unit assumed)
Controllable:No
Description:The list of flag(s) indicating when this object should be executed. For a description of each flag, see https://mooseframework.inl.gov/source/interfaces/SetupInterface.html.
- mc_edge_smoother25Smoothing parameter: the edges of the cone are smoothed by the given amount.
Default:25
C++ Type:double
Unit:(no unit assumed)
Controllable:No
Description:Smoothing parameter: the edges of the cone are smoothed by the given amount.
- mc_lode_cutoffIf the second invariant of stress is less than this amount, the Lode angle is assumed to be zero. This is to gaurd against precision-loss problems, and this parameter should be set small. Default = 0.00001*((yield_Function_tolerance)^2)
C++ Type:double
Unit:(no unit assumed)
Controllable:No
Description:If the second invariant of stress is less than this amount, the Lode angle is assumed to be zero. This is to gaurd against precision-loss problems, and this parameter should be set small. Default = 0.00001*((yield_Function_tolerance)^2)
- 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.
- tip_schemehyperbolicScheme by which the pyramid's tip will be smoothed.
Default:hyperbolic
C++ Type:MooseEnum
Unit:(no unit assumed)
Controllable:No
Description:Scheme by which the pyramid's tip will be smoothed.
- 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.
Optional Parameters
- allow_duplicate_execution_on_initialFalseIn the case where this UserObject is depended upon by an initial condition, allow it to be executed twice during the initial setup (once before the IC and again after mesh adaptivity (if applicable).
Default:False
C++ Type:bool
Unit:(no unit assumed)
Controllable:No
Description:In the case where this UserObject is depended upon by an initial condition, allow it to be executed twice during the initial setup (once before the IC and again after mesh adaptivity (if applicable).
- 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.
- execution_order_group0Execution order groups are executed in increasing order (e.g., the lowest number is executed first). Note that negative group numbers may be used to execute groups before the default (0) group. Please refer to the user object documentation for ordering of user object execution within a group.
Default:0
C++ Type:int
Unit:(no unit assumed)
Controllable:No
Description:Execution order groups are executed in increasing order (e.g., the lowest number is executed first). Note that negative group numbers may be used to execute groups before the default (0) group. Please refer to the user object documentation for ordering of user object execution within a group.
- force_postauxFalseForces the UserObject to be executed in POSTAUX
Default:False
C++ Type:bool
Unit:(no unit assumed)
Controllable:No
Description:Forces the UserObject to be executed in POSTAUX
- force_preauxFalseForces the UserObject to be executed in PREAUX
Default:False
C++ Type:bool
Unit:(no unit assumed)
Controllable:No
Description:Forces the UserObject to be executed in PREAUX
- force_preicFalseForces the UserObject to be executed in PREIC during initial setup
Default:False
C++ Type:bool
Unit:(no unit assumed)
Controllable:No
Description:Forces the UserObject to be executed in PREIC during initial setup
- 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.