MoabUserObject

construction:Undocumented Class

The MoabUserObject 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.

Overview

Example Input File Syntax

Input Parameters

bin_densityFalseDetermine if elements should be additionally binned by material density
Default:False
C++ Type:bool
Controllable:No
Description:Determine if elements should be additionally binned by material density
bin_varnameVariable name by whose results elements should be binned.
C++ Type:std::string
Controllable:No
Description:Variable name by whose results elements should be binned.
density_nameVariable name for density by whose results elements should be binned.
C++ Type:std::string
Controllable:No
Description:Variable name for density by whose results elements should be binned.
density_scale1Scale factor to convert densities from from MOOSE to OpenMC (latter is g/cc).
Default:1
C++ Type:double
Controllable:No
Description:Scale factor to convert densities from from MOOSE to OpenMC (latter is g/cc).
execute_onTIMESTEP_ENDThe list of flag(s) indicating when this object should be executed, the available options include NONE, INITIAL, LINEAR, NONLINEAR, TIMESTEP_END, TIMESTEP_BEGIN, FINAL, CUSTOM, ALWAYS.
Default:TIMESTEP_END
C++ Type:ExecFlagEnum
Options:NONE, INITIAL, LINEAR, NONLINEAR, TIMESTEP_END, TIMESTEP_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, FINAL, CUSTOM, ALWAYS.
faceting_tol0.0001Faceting tolerance for DagMC
Default:0.0001
C++ Type:double
Controllable:No
Description:Faceting tolerance for DagMC
geom_tol1e-06Geometry tolerance for DagMC
Default:1e-06
C++ Type:double
Controllable:No
Description:Geometry tolerance for DagMC
graveyard_scale_inner1.01Graveyard inner surface scalefactor relative to aligned bounding box.
Default:1.01
C++ Type:double
Controllable:No
Description:Graveyard inner surface scalefactor relative to aligned bounding box.
graveyard_scale_outer1.1Graveyard outer surface scalefactor relative to aligned bounding box.
Default:1.1
C++ Type:double
Controllable:No
Description:Graveyard outer surface scalefactor relative to aligned bounding box.
length_scale100Scale factor to convert lengths from MOOSE to MOAB. Default is from metres->centimetres.
Default:100
C++ Type:double
Controllable:No
Description:Scale factor to convert lengths from MOOSE to MOAB. Default is from metres->centimetres.
logscaleFalseSwitch to determine if logarithmic binning should be used.
Default:False
C++ Type:bool
Controllable:No
Description:Switch to determine if logarithmic binning should be used.
material_namesList of MOOSE material names
C++ Type:std::vector<std::string>
Controllable:No
Description:List of MOOSE material names
material_openmc_namesList of OpenMC material names
C++ Type:std::vector<std::string>
Controllable:No
Description:List of OpenMC material names
n_bins60Number of bins
Default:60
C++ Type:unsigned int
Controllable:No
Description:Number of bins
n_density_bins5Number of relative density bins
Default:5
C++ Type:unsigned int
Controllable:No
Description:Number of relative density bins
n_output10Number of times to write to file if output_skins and/or output_full is true
Default:10
C++ Type:unsigned int
Controllable:No
Description:Number of times to write to file if output_skins and/or output_full is true
n_skip0Number of iterations to skip between writes if output_skins and/or output_full is true and n_output>1
Default:0
C++ Type:unsigned int
Controllable:No
Description:Number of iterations to skip between writes if output_skins and/or output_full is true and n_output>1
output_basemoab_surfsBase filename for surface file writes (will be appended by an integer
Default:moab_surfs
C++ Type:std::string
Controllable:No
Description:Base filename for surface file writes (will be appended by an integer
output_base_fullmoab_fullBase filename for full mesh file writes (will be appended by an integer
Default:moab_full
C++ Type:std::string
Controllable:No
Description:Base filename for full mesh file writes (will be appended by an integer
output_fullFalseSwitch to control whether MOAB should write full mesh data to file.
Default:False
C++ Type:bool
Controllable:No
Description:Switch to control whether MOAB should write full mesh data to file.
output_skinsFalseSwitch to control whether MOAB should write skins to file.
Default:False
C++ Type:bool
Controllable:No
Description:Switch to control whether MOAB should write skins to file.
rel_den_max0.1Maximum difference in density relative to original material density
Default:0.1
C++ Type:double
Controllable:No
Description:Maximum difference in density relative to original material density
rel_den_min-0.1Minimum difference in density relative to original material density
Default:-0.1
C++ Type:double
Controllable:No
Description:Minimum difference in density relative to original material density
var_max597.5Max value to define range of bins.
Default:597.5
C++ Type:double
Controllable:No
Description:Max value to define range of bins.
var_min297.5Minimum value to define range of bins.
Default:297.5
C++ Type:double
Controllable:No
Description:Minimum value to define range of bins.

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).
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.
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
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

Input Files

(unit/aurora_app_inputs/function_user_object_sub.i)
(openmc/unit/openmc_app_inputs/badmoabuserobject.i)
(openmc/unit/openmc_app_inputs/findsurfstest-logbins.i)
(openmc/unit/openmc_app_inputs/thermal-expansion.i)
(test/tests/thermal/openmc.i)
(openmc/unit/openmc_app_inputs/secondordermesh.i)
(unit/aurora_app_inputs/transfer_sub.i)
(openmc/unit/openmc_app_inputs/executioner.i)
(openmc/unit/openmc_app_inputs/executioner-many-scores.i)
(openmc/unit/openmc_app_inputs/densitysurfstest-changeunits.i)
(openmc/unit/openmc_app_inputs/findsurfstest-singlemat.i)
(unit/aurora_app_inputs/openmc-refine.i)
(openmc/unit/openmc_app_inputs/nodal_temperature.i)
(openmc/test/tests/standalone-run/openmc_example.i)
(openmc/unit/openmc_app_inputs/moabuserobject-changeunits.i)
(unit/aurora_app_inputs/openmc-thermal-expansion.i)
(openmc/unit/openmc_app_inputs/findsurfstest.i)
(openmc/unit/openmc_app_inputs/findsurfstest-second.i)
(openmc/unit/openmc_app_inputs/offset-box.i)
(openmc/unit/openmc_app_inputs/moabuserobject.i)
(test/tests/thermal-mech/openmc_mech.i)
(openmc/unit/openmc_app_inputs/densitysurfstest.i)
(openmc/unit/openmc_app_inputs/executioner-second.i)
(unit/aurora_app_inputs/openmc.i)
(openmc/perf_test.i)

(unit/aurora_app_inputs/function_user_object_sub.i)

[Mesh]
  type = GeneratedMesh
  dim = 1
  nx = 1
[]

[Problem]
  type = FEProblem
  solve = false
[]

[Executioner]
  type = Steady
[]

[UserObjects]
  [moab]
    type = MoabUserObject
  []
[]

(openmc/unit/openmc_app_inputs/badmoabuserobject.i)

[Mesh]
  type = GeneratedMesh
  dim = 1
  nx = 1
[]

[Problem]
  type = OpenMCProblem
[]

[Executioner]
  type = Steady
[]

[UserObjects]
  [moab]
    type = MoabUserObject
  []
[]

(openmc/unit/openmc_app_inputs/findsurfstest-logbins.i)

[Mesh]
  [meshcm]
    type = FileMeshGenerator
    file = copper_air_bcs_tetmesh.e
  []
[]

[Problem]
  type = FEProblem
  solve = false
[]

[Executioner]
  type = Steady
[]

[Materials]
  [copper]
    type = ADGenericConstantMaterial
    prop_names = 'dummy_prop'
    prop_values = '1.0'
    compute = false
    block = '1 2'
  []
[]

[UserObjects]
  [moab]
    type = MoabUserObject
    # match up with variable below for this test
    bin_varname = "temperature"
    material_names = 'copper'
    logscale = true
    var_min = 150 #  lower bin edge will be 1e2
    var_max = 6000 # upper bin edge will be 1e4
    n_bins = 4
  []
[]

[Variables]
  [temperature]
    order = CONSTANT
    family = MONOMIAL
  []
[]

(openmc/unit/openmc_app_inputs/thermal-expansion.i)

[Mesh]
  # Length dimensions are cm
  type = GeneratedMesh
  dim = 3
  nx = 5
  ny = 5
  nz = 5
  displacements = 'disp_x disp_y disp_z'
  xmax = 5
  ymax = 5
  zmax = 5
  elem_type=TET4
[]

[Executioner]
  type = Transient
  solve_type = 'PJFNK'
  petsc_options_iname = '-pc_type -pc_hypre_type -ksp_gmres_restart'
  petsc_options_value = 'hypre boomeramg 101'
  num_steps=1
  dt = 1
[]

[Variables]
  [temp]
    initial_condition = 300.0
  []
  [disp_x]
  [../]
  [disp_y]
  [../]
  [disp_z]
  [../]
[]

[Functions]
  [heating-function]
    type = ParsedFunction
    value = q0*exp(-(x-x0)/(rdec))
    vars = 'rdec q0 x0'
    vals = '2 5000 0'
  []
[]

[Kernels]
  [heat_conduction]
    type = ADHeatConduction
    variable = temp
  []
  [heat_conduction_time_derivative]
    type = ADHeatConductionTimeDerivative
    variable = temp
  []
  [heat-source]
    type = ADMatHeatSource
    material_property = volumetric_heat
    variable = temp
  []
  [TensorMechanics] #Action that creates equations for disp_x and disp_y
    displacements = 'disp_x disp_y disp_z'
  []
[]

[BCs]
  [temp_bc]
    type = DirichletBC
    variable = temp
    boundary = right
    value = 300
  []
  [./x_bot]
    type = DirichletBC
    variable = disp_x
    boundary = right
    value = 0.0
  [../]
  [./y_bot]
    type = DirichletBC
    variable = disp_y
    boundary = bottom
    value = 0.0
  [../]
  [./z_bot]
    type = DirichletBC
    variable = disp_z
    boundary = back
    value = 0.0
  [../]
[]

[Materials]
  [copper]
    type = ADGenericConstantMaterial
    prop_names = 'thermal_conductivity specific_heat density'
    prop_values = '3.97 0.385 8.920' # W/cm*K, J/g-K, g/cm^3
  []
  [heating]
    type = ADGenericFunctionMaterial
    prop_names = 'volumetric_heat'
    prop_values = 'heating-function'
    output_properties = 'volumetric_heat'
  []
  [./elasticity_tensor]
    type = ComputeIsotropicElasticityTensor
    youngs_modulus = 1e7 # 100 GPa =  10^7 N / (cm)^2
    poissons_ratio = 0.3
  [../]
  [./strain] #We use small deformation mechanics
    type = ComputeSmallStrain
    displacements = 'disp_x disp_y disp_z'
    eigenstrain_names = eigenstrain
  [../]
  [./stress]
    type = ComputeLinearElasticStress
  [../]
  [./thermal_expansion_strain]
    type = ComputeThermalExpansionEigenstrain
    stress_free_temperature = 300
    thermal_expansion_coeff = 1.8e-5 # K^-1
    temperature = temp
    eigenstrain_name = eigenstrain
  [../]
[]

[Postprocessors]
  [volume_calc_deformed]
    type = VolumePostprocessor
    use_displaced_mesh = true
  []
  [volume_calc_orig]
    type = VolumePostprocessor
    use_displaced_mesh = false
  []
[]

[UserObjects]
  [moab]
    type = MoabUserObject
    length_scale = 1.0
  []
[]

[Outputs]
  console=false
[]

(test/tests/thermal/openmc.i)

[Mesh]
  type = GeneratedMesh
  dim = 1
  nx = 1
[]

[Problem]
  type = OpenMCProblem
[]

[Executioner]
  type = OpenMCExecutioner
  variables = 'heating-local flux'
  score_names = 'heating-local flux'
  tally_ids = '1 1'
  err_variables = 'heating-local-err flux-err'
  neutron_source = 1.0e18
  launch_threads=false
[]

[UserObjects]
  [moab]
    type = MoabUserObject
    bin_varname = "temperature"
    material_names = 'copper_props air_props'
    material_openmc_names = 'copper air'
    output_skins = false
    length_scale = 1.0
  []
[]

(openmc/unit/openmc_app_inputs/secondordermesh.i)

[Mesh]
  # Length dimensions are cm
  type = GeneratedMesh
  dim = 3
  nx = 1
  ny = 1
  nz = 1
  elem_type=TET10
[]

[Problem]
  type = OpenMCProblem
[]

[Executioner]
  type = Steady
[]

[UserObjects]
  [moab]
    type = MoabUserObject
    # match up with variable below for this test
    bin_varname = "temperature"
  []
[]

[Variables]
  [temperature]
    order = CONSTANT
    family = MONOMIAL
  []
[]

(unit/aurora_app_inputs/transfer_sub.i)

[Mesh]
  type = GeneratedMesh
  dim = 1
  nx = 1
[]

[Problem]
  type = FEProblem
  solve = false
[]

[Executioner]
  type = Steady
[]

[UserObjects]
  [moab]
    type = MoabUserObject
  []
[]

#[Outputs]
#  console=false
#[]

(openmc/unit/openmc_app_inputs/executioner.i)

[Mesh]
  [meshcm]
    type = FileMeshGenerator
    file = copper_air_bcs_tetmesh.e
  []
[]

[Problem]
  type = OpenMCProblem
[]

[Executioner]
  type = OpenMCExecutioner
[]

[Variables]
  [heating-local]
      order = CONSTANT
      family = MONOMIAL
  []
[]

[UserObjects]
  [moab]
    type = MoabUserObject
  []
[]

# Worryingly this is needed when multiple app tests are run in sequence
# presumably the console object does not get properly destroyed...
[Outputs]
  console=false
[]

(openmc/unit/openmc_app_inputs/executioner-many-scores.i)

[Mesh]
  [meshcm]
    type = FileMeshGenerator
    file = copper_air_bcs_tetmesh.e
  []
[]

[Problem]
  type = OpenMCProblem
[]

[Executioner]
  type = OpenMCExecutioner
  variables = 'heating-local flux'
  score_names = 'heating-local flux'
  tally_ids = '1 1'
  err_variables = 'heating-local-err flux-err'
[]

[Variables]
  [heating-local]
      order = CONSTANT
      family = MONOMIAL
  []
  [heating-local-err]
      order = CONSTANT
      family = MONOMIAL
  []
  [flux]
      order = CONSTANT
      family = MONOMIAL
  []
  [flux-err]
      order = CONSTANT
      family = MONOMIAL
  []
[]

[UserObjects]
  [moab]
    type = MoabUserObject
  []
[]

# Worryingly this is needed when multiple app tests are run in sequence
# presumably the console object does not get properly destroyed...
[Outputs]
  console=false
[]

(openmc/unit/openmc_app_inputs/densitysurfstest-changeunits.i)

[Mesh]
  type = FileMesh
  file = copper_air_bcs_tetmesh.e
  displacements = 'disp_x disp_y disp_z'
[]

[Problem]
  type = FEProblem
  solve = false
[]

[Executioner]
  type = Steady
[]

[Materials]
  [copper_density]
    type = ADOpenMCDensity
    density = '8920.' # kg/m^3
    displacements = 'disp_x disp_y disp_z'
    block = '1 2'
    compute=false
  []
[]

[UserObjects]
  [moab]
    type = MoabUserObject
    bin_varname = "temperature"
    density_name = "density_local"
    material_names = 'copper_density'
    material_openmc_names = 'copper'
    rel_den_min = -0.1
    rel_den_max = 0.1
    n_density_bins = 5
    density_scale = 0.001 # factor to change density in material back to g/cc
  []
[]

[Variables]
  [temperature]
    order = CONSTANT
    family = MONOMIAL
  []
  [disp_x]
  []
  [disp_y]
  []
  [disp_z]
  []
[]

[AuxVariables]
  [density_local]
     order = CONSTANT
     family = MONOMIAL
  []
[]

(openmc/unit/openmc_app_inputs/findsurfstest-singlemat.i)

[Mesh]
  [meshcm]
    type = FileMeshGenerator
    file = copper_air_bcs_tetmesh.e
  []
[]

[Problem]
  type = FEProblem
  solve = false
[]

[Executioner]
  type = Steady
[]

[Materials]
  [copper]
    type = ADGenericConstantMaterial
    prop_names = 'dummy_prop'
    prop_values = '1.0'
    compute = false
    block = '1 2'
  []
[]

[UserObjects]
  [moab]
    type = MoabUserObject
    # match up with variable below for this test
    bin_varname = "temperature"
    var_min = 330
    var_max = 430
    n_bins = 5
    material_names = 'copper'
    output_skins = true
    output_base = "random_name"
    n_output = 4
    n_skip = 2
  []
[]

[Variables]
  [temperature]
    order = CONSTANT
    family = MONOMIAL
  []
[]

(unit/aurora_app_inputs/openmc-refine.i)

[Mesh]
  type = GeneratedMesh
  dim = 1
  nx = 1
[]

[Problem]
  type = OpenMCProblem
[]

[Executioner]
  type = OpenMCExecutioner
  variables = 'heating-local'
  err_variables = ''
  score_names = 'heating-local'
  tally_ids = '1'
  neutron_source = 1.0e18
  launch_threads=false
  n_threads=1
  no_scaling = true
[]

[UserObjects]
  [moab]
    type = MoabUserObject
    bin_varname = "temp"
    material_names = 'copper'
    material_openmc_names = 'copper'
    length_scale = 1.0
    graveyard_scale_inner = 1.05
    n_bins = 1
    var_max = 500.
  []
[]

[Outputs]
  console = false
[]

(openmc/unit/openmc_app_inputs/nodal_temperature.i)

[Mesh]
  [meshcm]
    type = FileMeshGenerator
    file = copper_air_bcs_tetmesh.e
  []
  construct_side_list_from_node_list=true
[]

[Problem]
  type = FEProblem
[]

[Executioner]
  type = Transient
  num_steps = 1
  dt = 1
  solve_type = NEWTON
  abort_on_solve_fail=True
[]

[Variables]
  [temperature]
    order = FIRST
    family = LAGRANGE
    initial_condition = 300 # Start at room temperature
  []
[]

[BCs]
  [air-outer]
    #type = DirichletBC
    # penalty is a variant for monomials
    type = PenaltyDirichletBC
    penalty = 1e5
    variable = temperature
    boundary = 'top-outer bottom-outer left-outer right-outer front-outer back-outer'
    value = 300 # (K)
  []
[]

[Functions]
  [heating-function]
    type = ParsedFunction
    value = q0*exp(-(sqrt(x*x+y*y+z*z))/r0)
    vars = 'r0 q0'
    vals = '1 10000'
  []
[]

[Materials]
  [copper]
    type = ADGenericConstantMaterial
    prop_names = 'thermal_conductivity specific_heat density'
    prop_values = '397.48 385.0 8920.0' # W/m*K, J/kg-K, kg/m^3
    block = 1
  []
  [air]
    type = ADGenericConstantMaterial
    prop_names = 'thermal_conductivity specific_heat density'
    prop_values = '26.3 1000 1'
    block = 2
  []
  [heating]
    type = ADGenericFunctionMaterial
    prop_names = 'volumetric_heat'
    prop_values = 'heating-function'
    block = '2'
  []
[]

[Kernels]
  [heat_conduction_time_derivative]
    type = ADHeatConductionTimeDerivative
    variable = temperature
  []
  [heat-source]
    type = ADMatHeatSource
    material_property = volumetric_heat
    variable = temperature
    block = 2
  []
[]

[UserObjects]
  [moab]
    type = MoabUserObject
    bin_varname = "temperature"
    material_names = 'copper air'
  []
[]

[Outputs]
  console=false
[]

(openmc/test/tests/standalone-run/openmc_example.i)

[Mesh]
  type = FileMesh
  file = copper_air_tetmesh.e
[]

[Problem]
  type = OpenMCProblem
[]

[Executioner]
  type = OpenMCExecutioner
  variables = 'heating-local flux'
  score_names = 'heating-local flux'
  tally_ids = '1 1'
  err_variables = 'heating-local-err flux-err'
  launch_threads=false
[]

[AuxVariables]
  [heating-local]
      order = CONSTANT
      family = MONOMIAL
  []
  [heating-local-err]
      order = CONSTANT
      family = MONOMIAL
  []
  [flux]
      order = CONSTANT
      family = MONOMIAL
  []
  [flux-err]
      order = CONSTANT
      family = MONOMIAL
  []
[]

[UserObjects]
  [moab]
    type = MoabUserObject
    length_scale = 1.0
  []
[]

[Outputs]
  exodus = true
  execute_on = "final"
[]

(openmc/unit/openmc_app_inputs/moabuserobject-changeunits.i)

[Mesh]
  [meshcm]
    type = FileMeshGenerator
    file = copper_air_bcs_tetmesh.e
  []
[]

[Problem]
  type = OpenMCProblem
[]

[Executioner]
  type = Steady
[]

[UserObjects]
  [moab]
    type = MoabUserObject
    # match up with variable below for this test
    bin_varname = "temperature"
    # change the units used in moab
    length_scale = 1000.0
    #  change the dagmc tolerances
    faceting_tol = 1.e-2
    geom_tol = 1.e-4
  []
[]

[Variables]
  [temperature]
    order = CONSTANT
    family = MONOMIAL
  []
[]

(unit/aurora_app_inputs/openmc-thermal-expansion.i)

[Mesh]
  type = GeneratedMesh
  dim = 1
  nx = 1
[]

[Problem]
  type = OpenMCProblem
[]

[Executioner]
  type = OpenMCExecutioner
  variables = 'heating-local'
  err_variables = ''
  score_names = 'heating-local'
  tally_ids = '1'
  neutron_source = 1.0e18
  launch_threads=false
  n_threads=1
  no_scaling = true
[]

[UserObjects]
  [moab]
    type = MoabUserObject
    bin_varname = "temp"
    material_names = 'copper'
    material_openmc_names = 'copper'
    #output_skins = true
    length_scale = 1.0
    graveyard_scale_inner = 1.05
    n_bins = 1
    var_max = 1200.
  []
[]

[Outputs]
  console=false
[]

(openmc/unit/openmc_app_inputs/findsurfstest.i)

[Mesh]
  [meshcm]
    type = FileMeshGenerator
    file = copper_air_bcs_tetmesh.e
  []
[]

[Problem]
  type = FEProblem
  solve = false
[]

[Executioner]
  type = Steady
[]

[Materials]
  [copper]
    type = ADGenericConstantMaterial
    prop_names = 'dummy_prop'
    prop_values = '1.0'
    compute = false
    block = 1
  []
  [air]
    type = ADGenericConstantMaterial
    prop_names = 'dummy_prop'
    prop_values = '1.0'
    compute = false
    block = 2
  []
[]
  
[UserObjects]
  [moab]
    type = MoabUserObject
    # match up with variable below for this test
    bin_varname = "temperature"
    material_names = 'copper air'
    output_skins = true
  []
[]

[Variables]
  [temperature]
    order = CONSTANT
    family = MONOMIAL
  []
[]

(openmc/unit/openmc_app_inputs/findsurfstest-second.i)

[Mesh]
  type = FileMesh
  file = copper_air_bcs_tetmesh.e
  second_order = true
[]

[Problem]
  type = FEProblem
  solve = false
[]

[Executioner]
  type = Steady
[]

[Materials]
  [copper]
    type = ADGenericConstantMaterial
    prop_names = 'dummy_prop'
    prop_values = '1.0'
    compute = false
    block = 1
  []
  [air]
    type = ADGenericConstantMaterial
    prop_names = 'dummy_prop'
    prop_values = '1.0'
    compute = false
    block = 2
  []
[]
  
[UserObjects]
  [moab]
    type = MoabUserObject
    # match up with variable below for this test
    bin_varname = "temperature"
    material_names = 'copper air'
    output_skins = true
  []
[]

[Variables]
  [temperature]
    order = CONSTANT
    family = MONOMIAL
  []
[]

(openmc/unit/openmc_app_inputs/offset-box.i)

[Mesh]
  [offset-box]
    type = GeneratedMeshGenerator
    dim = 3
    nx = 1
    ny = 1
    nz = 1
    xmax = 5
    ymax = 5
    zmax = 5
    xmin = 4
    ymin = 4
    zmin = 4
    elem_type=TET4
  []
  [offset-box-id]
    type = SubdomainIDGenerator
    input = offset-box
    subdomain_id = 1
  []

[]

[Problem]
  type = FEProblem
  solve = false
[]

[Executioner]
  type = Steady
[]

[Materials]
  [copper]
    type = ADGenericConstantMaterial
    prop_names = 'dummy_prop'
    prop_values = '1.0'
    block = 1
    compute = false
  []
[]

[UserObjects]
  [moab]
    type = MoabUserObject
    # match up with variable below for this test
    bin_varname = "temperature"
    material_names = 'copper'
    output_skins = true
  []
[]

[Variables]
  [temperature]
    order = CONSTANT
    family = MONOMIAL
  []
[]

(openmc/unit/openmc_app_inputs/moabuserobject.i)

[Mesh]
  [meshcm]
    type = FileMeshGenerator
    file = copper_air_bcs_tetmesh.e
  []
[]

[Problem]
  type = OpenMCProblem
[]

[Executioner]
  type = Steady
[]

[UserObjects]
  [moab]
    type = MoabUserObject
    # match up with variable below for this test
    bin_varname = "temperature"
  []
[]

[Variables]
  [temperature]
    order = CONSTANT
    family = MONOMIAL
  []
[]

(test/tests/thermal-mech/openmc_mech.i)

[Mesh]
  type = GeneratedMesh
  dim = 1
  nx = 1
[]

[Problem]
  type = OpenMCProblem
[]

[Executioner]
  type = OpenMCExecutioner
  variables = 'heating-local flux'
  err_variables = 'heating-local-err flux-err'
  score_names = 'heating-local flux'
  tally_ids = '1 1'
  neutron_source = 1.0e18
  launch_threads=false
[]

[UserObjects]
  [moab]
    type = MoabUserObject
    bin_varname = "temp"
    density_name = "density_local"
    material_names = 'copper_density air_density'
    material_openmc_names = 'copper air'
    output_skins = false
    length_scale = 1.0
  []
[]

#  Uncomment these lines to disable output to screen
#[Outputs]
#  console = false
#  [my_console]
#    type = Console
#    output_screen = false
#  []
#[]

(openmc/unit/openmc_app_inputs/densitysurfstest.i)

[Mesh]
  type = FileMesh
  file = copper_air_bcs_tetmesh.e
  displacements = 'disp_x disp_y disp_z'
[]

[Problem]
  type = FEProblem
  solve = false
[]

[Executioner]
  type = Steady
[]

[Materials]
  [copper_density]
    type = ADOpenMCDensity
    density = '8.920' # g/cm^3
    displacements = 'disp_x disp_y disp_z'
    block = '1 2'
    compute=false
  []
[]
  
[UserObjects]
  [moab]
    type = MoabUserObject
    # match up with variable below for this test
    bin_varname = "temperature"
    density_name = "density_local"
    material_names = 'copper_density'
    material_openmc_names = 'copper'
    rel_den_min = -0.1
    rel_den_max = 0.1
    n_density_bins = 5
  []
[]

[Variables]
  [temperature]
    order = CONSTANT
    family = MONOMIAL
  []
  [disp_x]
  []
  [disp_y]
  []
  [disp_z]
  []  
[]

[AuxVariables]
  [density_local]
     order = CONSTANT
     family = MONOMIAL
  []
[]

(openmc/unit/openmc_app_inputs/executioner-second.i)

[Mesh]
  type = FileMesh
  file = copper_air_bcs_tetmesh.e
  second_order = true
[]

[Problem]
  type = OpenMCProblem
[]

[Executioner]
  type = OpenMCExecutioner
  variables = 'heating-local'
  score_names = 'heating-local'
  tally_ids = '1'
  err_variables = 'heating-local-err'
[]

[Variables]
  [heating-local]
    order = CONSTANT
    family = MONOMIAL
  []
  [heating-local-err]
    order = CONSTANT
    family = MONOMIAL
  []
[]

[UserObjects]
  [moab]
    type = MoabUserObject
  []
[]

# Worryingly this is needed when multiple app tests are run in sequence
# presumably the console object does not get properly destroyed...
[Outputs]
  console=false
[]

(unit/aurora_app_inputs/openmc.i)

[Mesh]
  type = GeneratedMesh
  dim = 1
  nx = 1
[]
  
[Problem]
  type = OpenMCProblem
[]

[Executioner]
  type = OpenMCExecutioner
[]

[UserObjects]
  [moab]
    type = MoabUserObject
    bin_varname = "temperature"
    material_names = 'copper air'
    faceting_tol = 10
  []
[]

[Outputs]
  console=false
[]

(openmc/perf_test.i)

[Mesh]
  [meshcm]
    type = FileMeshGenerator
    file = copper_air_tetmesh.e
  []
[]

[Problem]
  type = OpenMCProblem
[]

[Executioner]
  type = OpenMCExecutioner
  variable = 'heating-local'
[]

[Variables]
  [heating-local]
      order = CONSTANT
      family = MONOMIAL
  []
[]

[UserObjects]
  [moab]
    type = MoabUserObject
    length_scale = 1.0
  []
[]

[VectorPostprocessors]
  [./element_value_sampler]
    type = ElementValueSampler
    variable = 'heating-local'
    sort_by = id
    execute_on = 'final'
  [../]
[]

[Postprocessors]
  [./main_total_time]
    type = PerfGraphData
    section_name = "Root"
    data_type = total
    execute_on = 'final'
  [../]
  [./execute_total_time]
    type = PerfGraphData
    section_name = "MooseApp::execute"
    data_type = total
    execute_on = 'final'
  [../]
  [./executioner_total_time]
    type = PerfGraphData
    section_name = "OpenMCExecutioner::execute"
    data_type = total
    execute_on = 'final'
  [../]
  [./executioner_init_time]
    type = PerfGraphData
    section_name = "OpenMCExecutioner::init"
    data_type = total
    execute_on = 'final'
  [../]
  [./executioner_initopenmc_time]
    type = PerfGraphData
    section_name = "OpenMCExecutioner::initopenmc"
    data_type = total
    execute_on = 'final'
  [../]
  [./executioner_run_time]
    type = PerfGraphData
    section_name = "OpenMCExecutioner::run"
    data_type = total
    execute_on = 'final'
  [../]
[]

[Outputs]
  [csv]
    type = CSV
    execute_on = 'final'
    file_base = "perf_test"
  []
  [pgraph]
    type = PerfGraphOutput
    execute_on = 'final'  # Default is "final"
    level = 2 # Default is 1
  []
[]

Overview
Example Input File Syntax
Input Parameters
Input Files