- grain_forceuserobject for getting force and torque acting on grains
C++ Type:UserObjectName
Description:userobject for getting force and torque acting on grains
- grain_tracker_objectThe FeatureFloodCount UserObject to get values from.
C++ Type:UserObjectName
Description:The FeatureFloodCount UserObject to get values from.
- grain_volumesThe feature volume VectorPostprocessorValue.
C++ Type:VectorPostprocessorName
Description:The feature volume VectorPostprocessorValue.
- op_numspecifies the number of grains to create
C++ Type:unsigned int
Description:specifies the number of grains to create
- var_name_basespecifies the base name of the variables
C++ Type:std::string
Description:specifies the base name of the variables
RigidBodyMultiKernelAction

The RigidBodyMultiKernelAction 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 an Action; however, what is contained is ultimately determined by what is necessary to make the documentation clear for users.
# RigidBodyMultiKernelAction
!syntax description /Kernels/RigidBodyMultiKernel/RigidBodyMultiKernelAction
## Overview
!! Replace these lines with information regarding the RigidBodyMultiKernelAction action.
## Example Input File Syntax
!! Describe and include an example of how to use the RigidBodyMultiKernelAction action.
!syntax parameters /Kernels/RigidBodyMultiKernel/RigidBodyMultiKernelAction
Action for applying Allen-Cahn equations and SingleGrainRigidBodyMotion to grains
Input Parameters
- active__all__ If specified only the blocks named will be visited and made active
Default:__all__
C++ Type:std::vector
Description:If specified only the blocks named will be visited and made active
- base_nameOptional parameter that allows the user to define type of force density under consideration
C++ Type:std::string
Description:Optional parameter that allows the user to define type of force density under consideration
- cName of coupled concentration variable
C++ Type:VariableName
Description:Name of coupled concentration variable
- f_nameBase name of the free energy function F defined in a DerivativeParsedMaterial
C++ Type:MaterialPropertyName
Description:Base name of the free energy function F defined in a DerivativeParsedMaterial
- implicitTrueWhether kernels are implicit or not
Default:True
C++ Type:bool
Description:Whether kernels are implicit or not
- inactiveIf specified blocks matching these identifiers will be skipped.
C++ Type:std::vector
Description:If specified blocks matching these identifiers will be skipped.
- kappa_namekappa_opThe kappa used with the kernel
Default:kappa_op
C++ Type:MaterialPropertyName
Description:The kappa used with the kernel
- mob_nameLThe mobility used with the kernel
Default:L
C++ Type:MaterialPropertyName
Description:The mobility used with the kernel
- rotation_constant1constant value characterizing grain rotation
Default:1
C++ Type:double
Description:constant value characterizing grain rotation
- translation_constant500constant value characterizing grain translation
Default:500
C++ Type:double
Description:constant value characterizing grain translation
- use_displaced_meshFalseWhether to use displaced mesh in the kernels
Default:False
C++ Type:bool
Description:Whether to use displaced mesh in the kernels