ElementSubdomainIDGenerator

This MeshGenerator object allows the user to assign each element the subdomain id of his choice.

Input Parameters

inputThe mesh we want to modify
C++ Type:MeshGeneratorName
Options:
Description:The mesh we want to modify
subdomain_idsNew subdomain IDs of all elements
C++ Type:std::vector
Options:
Description:New subdomain IDs of all elements

Required Parameters

element_idsNew element IDs of all elements
C++ Type:std::vector
Options:
Description:New element IDs of all elements

Optional Parameters

control_tagsAdds user-defined labels for accessing object parameters via control logic.
C++ Type:std::vector
Options:
Description:Adds user-defined labels for accessing object parameters via control logic.
enableTrueSet the enabled status of the MooseObject.
Default:True
C++ Type:bool
Options:
Description:Set the enabled status of the MooseObject.

Advanced Parameters

Input Files

test/tests/postprocessors/point_value/point_value.i
test/tests/meshgenerators/sidesets_between_subdomains_generator/sideset_between_vector_subdomains_generator.i
test/tests/meshgenerators/sideset_around_subdomain_generator/around_multi_created_subdomain.i
test/tests/userobjects/internal_side_user_object/internal_side_user_object_two_materials.i

test/tests/postprocessors/point_value/point_value.i

[Mesh]
  [gen]
    type = GeneratedMeshGenerator
    dim = 2
    nx = 2
    ny = 2
  []
  [./subdomain]
    input = gen
    type = ElementSubdomainIDGenerator
    element_ids   = '0 1 2 3'
    subdomain_ids = '1 2 3 4'
  [../]
[]

[Variables]
  [./u]
  [../]
[]

[Kernels]
  [./diff]
    type = Diffusion
    variable = u
  [../]
[]

[BCs]
  [./left]
    type = DirichletBC
    variable = u
    boundary = left
    value = 0
  [../]
  [./right]
    type = DirichletBC
    variable = u
    boundary = right
    value = 1
  [../]
[]

[Postprocessors]
  [./value]
    type = PointValue
    variable = u
    point = '0.371 .41 0'
  [../]
[]

[Executioner]
  type = Steady
  solve_type = 'NEWTON'
[]

[Outputs]
  csv = true
[]

test/tests/meshgenerators/sidesets_between_subdomains_generator/sideset_between_vector_subdomains_generator.i

[Mesh]
  [./gmg]
    type = GeneratedMeshGenerator
    dim = 2
    nx = 4
    ny = 4
    nz = 0
    zmin = 0
    zmax = 0
    elem_type = QUAD4
  []

  [./subdomain_id]
    type = ElementSubdomainIDGenerator
    input = gmg
    subdomain_ids = '0 0 0 0
                     1 1 1 3
                     2 2 3 3
                     1 2 3 3'
  []

  [./interface]
    type = SideSetsBetweenSubdomainsGenerator
    input = subdomain_id
    master_block = '0 1'
    paired_block = '2 3'
    new_boundary = 'in_between'
  []

  [./emperty_interface]
    type = SideSetsBetweenSubdomainsGenerator
    input = interface
    master_block = '0'
    paired_block = '2'
    new_boundary = 'not_in_mesh'
  []
[]

[Outputs]
  exodus = true
[]

test/tests/meshgenerators/sideset_around_subdomain_generator/around_multi_created_subdomain.i

[Mesh]
  [./gmg]
    type = GeneratedMeshGenerator
    dim = 3
    xmin = 0
    xmax = 4
    nx = 4
    ymin = 0
    ymax = 4
    ny = 4
    zmin = 0
    zmax = 2
    nz = 2
  []

  [./subdomains]
    type = ElementSubdomainIDGenerator
    input = gmg
    subdomain_ids = '0 0 0 0
                     0 0 0 0
                     1 1 0 0
                     2 2 2 2
                     3 3 0 0
                     3 3 0 0
                     1 1 0 0
                     0 0 0 0'
  []
  [./interface]
    type = SideSetsAroundSubdomainGenerator
    input = subdomains
    block = '1 2 3'
    new_boundary = 'to0'
  []
[]

[Outputs]
  exodus = true
[]

test/tests/userobjects/internal_side_user_object/internal_side_user_object_two_materials.i

[Mesh]
  [gen]
  type = GeneratedMeshGenerator
    dim = 2
    xmin = -1
    ymin = -1
    xmax = 1
    ymax = 1
    nx = 2
    ny = 2
    elem_type = QUAD4
  []
  [./subdomain_id]
    input = gen
    type = ElementSubdomainIDGenerator
    subdomain_ids = '0 1
                     1 1'
  [../]
[]

[Functions]
  [./fn_exact]
    type = ParsedFunction
    value = 'x*x+y*y'
  [../]

  [./ffn]
    type = ParsedFunction
    value = -4
  [../]
[]

[UserObjects]
  [./isuo]
    type = InsideUserObject
    variable = u
    diffusivity = diffusivity
    execute_on = 'initial timestep_end'
  [../]
[]

[Variables]
  [./u]
    family = LAGRANGE
    order = FIRST
  [../]
[]

[Kernels]
  [./diff]
    type = Diffusion
    variable = u
  [../]

  [./ffn]
    type = BodyForce
    variable = u
    function = ffn
  [../]
[]

[BCs]
  [./all]
    type = FunctionDirichletBC
    variable = u
    boundary = '0 1 2 3'
    function = fn_exact
  [../]
[]

[Materials]
  [./stateful1]
    type = StatefulMaterial
    block = 0
    initial_diffusivity = 1
  [../]
  [./stateful2]
    type = StatefulMaterial
    block = 1
    initial_diffusivity = 2
  [../]
[]

[Postprocessors]
  [./value]
    type = InsideValuePPS
    user_object = isuo
  [../]
[]

[Executioner]
  type = Steady
[]

[Outputs]
  exodus = true
[]

Input Parameters
Input Files

Application Usage

Physics and Syntax

Application Development

Framework Development

MOOSEDocs

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Questions

Information and Tools

ElementSubdomainIDGenerator

Input Parameters

Required Parameters

Optional Parameters

Advanced Parameters

Input Files