- boundaryThe list of boundary IDs from the mesh where this object applies
C++ Type:std::vector<BoundaryName>
Unit:(no unit assumed)
Controllable:No
Description:The list of boundary IDs from the mesh where this object applies
- emissivityEmissivities for each boundary.
C++ Type:std::vector<FunctionName>
Unit:(no unit assumed)
Controllable:No
Description:Emissivities for each boundary.
- temperatureThe coupled temperature variable.
C++ Type:std::vector<VariableName>
Unit:(no unit assumed)
Controllable:No
Description:The coupled temperature variable.
- view_factor_object_nameName of the ViewFactor userobjects.
C++ Type:UserObjectName
Unit:(no unit assumed)
Controllable:No
Description:Name of the ViewFactor userobjects.
ViewFactorObjectSurfaceRadiation
Description
ViewFactorObjectSurfaceRadiation inherits from GrayLambertSurfaceRadiationBase and allows automatic computation of view factors. View factors for ViewFactorObjectSurfaceRadiation are provided by a ViewFactorBase object, e.g. UnobstructedPlanarViewFactor.
Example Input syntax
[Mesh]
type = GeneratedMesh
dim = 2
xmin = 0
xmax = 1
ymin = 0
ymax = 2
nx = 20
ny = 20
[]
[Problem]
kernel_coverage_check = false
[]
[Variables]
[./temperature]
initial_condition = 300
[../]
[]
[UserObjects]
[./gray_lambert]
type = ViewFactorObjectSurfaceRadiation
boundary = 'bottom top left right'
fixed_temperature_boundary = 'bottom top'
fixed_boundary_temperatures = '550 300'
adiabatic_boundary = 'right left'
emissivity = '1 0.75 0.75 0.75'
temperature = temperature
view_factor_object_name = view_factor
[../]
[./view_factor]
type = UnobstructedPlanarViewFactor
boundary = 'left right bottom top'
normalize_view_factor = true
execute_on = 'INITIAL'
[../]
[]
[Postprocessors]
[./heat_flux_density_bottom]
type = GrayLambertSurfaceRadiationPP
surface_radiation_object_name = gray_lambert
return_type = HEAT_FLUX_DENSITY
boundary = bottom
[../]
[./temperature_left]
type = GrayLambertSurfaceRadiationPP
surface_radiation_object_name = gray_lambert
return_type = TEMPERATURE
boundary = left
[../]
[./temperature_right]
type = GrayLambertSurfaceRadiationPP
surface_radiation_object_name = gray_lambert
return_type = TEMPERATURE
boundary = right
[../]
[./brightness_top]
type = GrayLambertSurfaceRadiationPP
surface_radiation_object_name = gray_lambert
return_type = RADIOSITY
boundary = top
[../]
[]
[Executioner]
type = Transient
num_steps = 1
[]
[Outputs]
csv = true
[]
Input Parameters
- adiabatic_boundaryThe list of boundary IDs from the mesh that are adiabatic.
C++ Type:std::vector<BoundaryName>
Unit:(no unit assumed)
Controllable:No
Description:The list of boundary IDs from the mesh that are adiabatic.
- 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
Unit:(no unit assumed)
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.
- fixed_boundary_temperaturesThe temperatures of the fixed boundary.
C++ Type:std::vector<FunctionName>
Unit:(no unit assumed)
Controllable:No
Description:The temperatures of the fixed boundary.
- fixed_temperature_boundaryThe list of boundary IDs from the mesh with fixed temperatures.
C++ Type:std::vector<BoundaryName>
Unit:(no unit assumed)
Controllable:No
Description:The list of boundary IDs from the mesh with fixed temperatures.
- 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.
- stefan_boltzmann_constant5.67037e-08The Stefan-Boltzmann constant. Default value is in units of [W / m^2 K^4].
Default:5.67037e-08
C++ Type:double
Unit:(no unit assumed)
Controllable:No
Description:The Stefan-Boltzmann constant. Default value is in units of [W / m^2 K^4].
- 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
Unit:(no unit assumed)
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.
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
Unit:(no unit assumed)
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>
Unit:(no unit assumed)
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
Unit:(no unit assumed)
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
Unit:(no unit assumed)
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
Unit:(no unit assumed)
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
Unit:(no unit assumed)
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
Unit:(no unit assumed)
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
Unit:(no unit assumed)
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.