- active_subdomain_idThe active subdomain ID.C++ Type:unsigned short Controllable:No Description:The active subdomain ID. 
- expand_boundary_nameThe expanded boundary name.C++ Type:std::vector<BoundaryName> Controllable:No Description:The expanded boundary name. 
ActivateElementsByPath
This MeshModifier uses the function path as the metric to activate (add) an element by moving the element from an "inactive" subdomain to the "active" subdomain. It uses the user provided points  with components defined by the functions specified by the parameters function_x, function_y, and function_z in the input. An element is activated at time  if this element is close (distance < activate_distance) to the point .
Input Parameters
- activate_distance0.0001The maximum distance of the activated element to the point on the path.Default:0.0001 C++ Type:double Unit:(no unit assumed) Controllable:No Description:The maximum distance of the activated element to the point on the path. 
- blockThe list of blocks (ids or names) that this object will be appliedC++ Type:std::vector<SubdomainName> Controllable:No Description:The list of blocks (ids or names) that this object will be applied 
- function_x0The x component of the heating spot travel pathDefault:0 C++ Type:FunctionName Unit:(no unit assumed) Controllable:No Description:The x component of the heating spot travel path 
- function_y0The y component of the heating spot travel pathDefault:0 C++ Type:FunctionName Unit:(no unit assumed) Controllable:No Description:The y component of the heating spot travel path 
- function_z0The z component of the heating spot travel pathDefault:0 C++ Type:FunctionName Unit:(no unit assumed) Controllable:No Description:The z component of the heating spot travel path 
- inactive_subdomain_id65535The inactivate subdomain ID, i.e., the subdomain that you want to keep the same.Default:65535 C++ Type:unsigned short Controllable:No Description:The inactivate subdomain ID, i.e., the subdomain that you want to keep the same. 
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 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). 
- 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 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. 
- 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 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 POSTAUXDefault:False C++ Type:bool Controllable:No Description:Forces the UserObject to be executed in POSTAUX 
- force_preauxFalseForces the UserObject to be executed in PREAUXDefault:False C++ Type:bool Controllable:No Description:Forces the UserObject to be executed in PREAUX 
- force_preicFalseForces the UserObject to be executed in PREIC during initial setupDefault:False C++ Type:bool Controllable:No Description:Forces the UserObject to be executed in PREIC during initial setup 
Execution Scheduling Parameters
- 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. 
- 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 formDefault:True C++ Type:bool Controllable:No Description:Determines whether this object is calculated using an implicit or explicit form 
- seed0The seed for the master random number generatorDefault:0 C++ Type:unsigned int Controllable:No Description:The seed for the master random number generator 
- 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. 
Advanced Parameters
- 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 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.