PolycrystalEBSD

PolycrystalEBSD uses an EBSDReader object and utilizes the algorithms in Polycrystal Initial Conditions to generate a reduced order parameter model from electron backscatter data. More information about this capability can be found in the EBSD object description.

Description and Syntax

Object for setting up a polycrystal structure from an EBSD Datafile

Input Parameters

  • variableArray of coupled variables

    C++ Type:std::vector<VariableName>

    Controllable:No

    Description:Array of coupled variables

Required Parameters

  • 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

  • coloring_algorithmjpThe grain neighbor graph coloring algorithm to use: "jp" (DEFAULT) Jones and Plassmann, an efficient coloring algorithm, "power" an alternative stochastic algorithm, "greedy", a greedy assignment algorithm with stochastic updates to guarantee a valid coloring, "bt", a back tracking algorithm that produces good distributions but may experience exponential run time in the worst case scenario (works well on medium to large 2D problems)

    Default:jp

    C++ Type:MooseEnum

    Options:jp, power, greedy, bt

    Controllable:No

    Description:The grain neighbor graph coloring algorithm to use: "jp" (DEFAULT) Jones and Plassmann, an efficient coloring algorithm, "power" an alternative stochastic algorithm, "greedy", a greedy assignment algorithm with stochastic updates to guarantee a valid coloring, "bt", a back tracking algorithm that produces good distributions but may experience exponential run time in the worst case scenario (works well on medium to large 2D problems)

  • compute_halo_mapsFalseInstruct the Postprocessor to communicate proper halo information to all ranks

    Default:False

    C++ Type:bool

    Controllable:No

    Description:Instruct the Postprocessor to communicate proper halo information to all ranks

  • compute_var_to_feature_mapFalseInstruct the Postprocessor to compute the active vars to features map

    Default:False

    C++ Type:bool

    Controllable:No

    Description:Instruct the Postprocessor to compute the active vars to features map

  • connecting_thresholdThe threshold for which an existing feature may be extended (defaults to "threshold")

    C++ Type:double

    Controllable:No

    Description:The threshold for which an existing feature may be extended (defaults to "threshold")

  • ebsd_readerEBSD Reader for initial condition

    C++ Type:UserObjectName

    Controllable:No

    Description:EBSD Reader for initial condition

  • enable_var_coloringFalseInstruct the Postprocessor to populate the variable index map.

    Default:False

    C++ Type:bool

    Controllable:No

    Description:Instruct the Postprocessor to populate the variable index map.

  • execute_onINITIALThe list of flag(s) indicating when this object should be executed, the available options include NONE, INITIAL, LINEAR, NONLINEAR, TIMESTEP_END, TIMESTEP_BEGIN, MULTIAPP_FIXED_POINT_END, MULTIAPP_FIXED_POINT_BEGIN, FINAL, CUSTOM, ALWAYS.

    Default:INITIAL

    C++ Type:ExecFlagEnum

    Options:NONE, INITIAL, LINEAR, NONLINEAR, TIMESTEP_END, TIMESTEP_BEGIN, MULTIAPP_FIXED_POINT_END, MULTIAPP_FIXED_POINT_BEGIN, FINAL, CUSTOM, ALWAYS

    Controllable:No

    Description:The list of flag(s) indicating when this object should be executed, the available options include NONE, INITIAL, LINEAR, NONLINEAR, TIMESTEP_END, TIMESTEP_BEGIN, MULTIAPP_FIXED_POINT_END, MULTIAPP_FIXED_POINT_BEGIN, FINAL, CUSTOM, ALWAYS.

  • flood_entity_typeELEMENTALDetermines whether the flood algorithm runs on nodes or elements

    Default:ELEMENTAL

    C++ Type:MooseEnum

    Options:NODAL, ELEMENTAL

    Controllable:No

    Description:Determines whether the flood algorithm runs on nodes or elements

  • op_numArray of coupled variables (num_name)

    C++ Type:unsigned int

    Controllable:No

    Description:Array of coupled variables (num_name)

  • output_adjacency_matrixFalseOutput the Grain Adjacency Matrix used in the coloring algorithms. Additionally, the grain to OP assignments will be printed

    Default:False

    C++ Type:bool

    Controllable:No

    Description:Output the Grain Adjacency Matrix used in the coloring algorithms. Additionally, the grain to OP assignments will be printed

  • phaseThe phase to use for all queries.

    C++ Type:unsigned int

    Controllable:No

    Description:The phase to use for all queries.

  • 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.

  • secondary_percolation_boundariesPaired boundaries with "primaryary_percolation_boundaries" parameter

    C++ Type:std::vector<BoundaryName>

    Controllable:No

    Description:Paired boundaries with "primaryary_percolation_boundaries" parameter

  • specified_boundariesAn optional list of boundaries; if supplied, each feature is checked to determine whether it intersects any of the specified boundaries in this list.

    C++ Type:std::vector<BoundaryName>

    Controllable:No

    Description:An optional list of boundaries; if supplied, each feature is checked to determine whether it intersects any of the specified boundaries in this list.

  • threshold0.5The threshold value for which a new feature may be started

    Default:0.5

    C++ Type:double

    Controllable:No

    Description:The threshold value for which a new feature may be started

  • use_less_than_threshold_comparisonTrueControls whether features are defined to be less than or greater than the threshold value.

    Default:True

    C++ Type:bool

    Controllable:No

    Description:Controls whether features are defined to be less than or greater than the threshold value.

  • var_name_baseArray of coupled variables (base_name)

    C++ Type:std::string

    Controllable:No

    Description:Array of coupled variables (base_name)

Optional Parameters

  • allow_duplicate_execution_on_initialTrueIn 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:True

    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).

  • condense_map_infoFalseDetermines whether we condense all the node values when in multimap mode (default: false)

    Default:False

    C++ Type:bool

    Controllable:No

    Description:Determines whether we condense all the node values when in multimap mode (default: false)

  • 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.

  • 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 POSTAUX

    Default:False

    C++ Type:bool

    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

    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

    Controllable:No

    Description:Forces the UserObject to be executed in PREIC during initial setup

  • 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

  • primary_percolation_boundariesA list of boundaries used in conjunction with the corresponding "secondary_percolation_boundaries" parameter for determining if a feature creates a path connecting any pair of boundaries

    C++ Type:std::vector<BoundaryName>

    Controllable:No

    Description:A list of boundaries used in conjunction with the corresponding "secondary_percolation_boundaries" parameter for determining if a feature creates a path connecting any pair of boundaries

  • 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.

  • use_global_numberingTrueDetermine whether or not global numbers are used to label features on multiple maps (default: true)

    Default:True

    C++ Type:bool

    Controllable:No

    Description:Determine whether or not global numbers are used to label features on multiple maps (default: true)

  • use_single_mapTrueDetermine whether information is tracked per coupled variable or consolidated into one (default: true)

    Default:True

    C++ Type:bool

    Controllable:No

    Description:Determine whether information is tracked per coupled variable or consolidated into one (default: true)

Advanced Parameters