GapConductanceLWR

under construction:Undocumented Class

!syntax description /Materials/GapConductanceLWR

Input Parameters

  • variableTemperature variable

    C++ Type:std::vector

    Description:Temperature variable

  • gap_kThermal conductivity variable across the gap

    C++ Type:std::vector

    Description:Thermal conductivity variable across the gap

Required Parameters

  • gap_tempTemperature on the other side of the gap

    C++ Type:std::vector

    Description:Temperature on the other side of the gap

  • sphere_originOrigin for sphere geometry

    C++ Type:libMesh::VectorValue

    Description:Origin for sphere geometry

  • roughness_clad1e-06The roughness of the cladding surface (m)

    Default:1e-06

    C++ Type:double

    Description:The roughness of the cladding surface (m)

  • refab_typeThe type of refabrication. 0 for instantaneous reset of gas, 1 for reset with constant fraction until next refabrication

    C++ Type:std::vector

    Description:The type of refabrication. 0 for instantaneous reset of gas, 1 for reset with constant fraction until next refabrication

  • external_pressure0input external pressure (Pa)

    Default:0

    C++ Type:double

    Description:input external pressure (Pa)

  • quadratureFalseWhether or not to do quadrature point based gap heat transfer. If this is true then gap_distance and gap_temp should NOT be provided (and will be ignored); however, paired_boundary and variable are then required.

    Default:False

    C++ Type:bool

    Description:Whether or not to do quadrature point based gap heat transfer. If this is true then gap_distance and gap_temp should NOT be provided (and will be ignored); however, paired_boundary and variable are then required.

  • gas_released_fractions0 0 0.153 0.847 0 0 0 0 0 0 The fraction of released gas that is assigned to helium, argon, krypton, xenon, hydrogen, nitrogen, oxygen, carbon monoxide, carbon dioxide, and water vapor

    Default:0 0 0.153 0.847 0 0 0 0 0 0

    C++ Type:std::vector

    Description:The fraction of released gas that is assigned to helium, argon, krypton, xenon, hydrogen, nitrogen, oxygen, carbon monoxide, carbon dioxide, and water vapor

  • roughness_fuel1e-06The roughness of the fuel surface (m)

    Default:1e-06

    C++ Type:double

    Description:The roughness of the fuel surface (m)

  • gap_conductivity1The thermal conductivity of the gap material

    Default:1

    C++ Type:double

    Description:The thermal conductivity of the gap material

  • initial_gas_fractions1 0 0 0 0 0 0 0 0 0 The initial fractions of constituent gases (helium, argon, krypton, xenon, hydrogen, nitrogen, oxygen, carbon monoxide, carbon dioxide, water vapor)

    Default:1 0 0 0 0 0 0 0 0 0

    C++ Type:std::vector

    Description:The initial fractions of constituent gases (helium, argon, krypton, xenon, hydrogen, nitrogen, oxygen, carbon monoxide, carbon dioxide, water vapor)

  • min_gap1e-06A minimum gap (denominator) size

    Default:1e-06

    C++ Type:double

    Description:A minimum gap (denominator) size

  • contact_coef10The leading coefficient on the solid-solid conduction relation (1/sqrt(m)

    Default:10

    C++ Type:double

    Description:The leading coefficient on the solid-solid conduction relation (1/sqrt(m)

  • refab_gas_fractionsThe fractions of constituent gases at refabrication (helium, argon, krypton, xenon, hydrogen, nitrogen, oxygen, carbon monoxide, carbon dioxide, water vapor)

    C++ Type:std::vector

    Description:The fractions of constituent gases at refabrication (helium, argon, krypton, xenon, hydrogen, nitrogen, oxygen, carbon monoxide, carbon dioxide, water vapor)

  • emissivity_clad1The emissivity of the cladding surface

    Default:1

    C++ Type:double

    Description:The emissivity of the cladding surface

  • refab_timeThe time at which the plenum pressure must be reinitialized due to fuel rod refabrication.

    C++ Type:std::vector

    Description:The time at which the plenum pressure must be reinitialized due to fuel rod refabrication.

  • interaction_layer0Option for accounting for the fuel-cladding chemical interaction layer during contact

    Default:0

    C++ Type:short

    Description:Option for accounting for the fuel-cladding chemical interaction layer during contact

  • jumpdistance_fuel0The temperature jump distance for the fuel

    Default:0

    C++ Type:double

    Description:The temperature jump distance for the fuel

  • cylinder_axis_point_1Start point for line defining cylindrical axis

    C++ Type:libMesh::VectorValue

    Description:Start point for line defining cylindrical axis

  • emissivity_10The emissivity of the fuel surface

    Default:0

    C++ Type:double

    Description:The emissivity of the fuel surface

  • boundaryThe list of boundary IDs from the mesh where this boundary condition applies

    C++ Type:std::vector

    Description:The list of boundary IDs from the mesh where this boundary condition applies

  • cylinder_axis_point_2End point for line defining cylindrical axis

    C++ Type:libMesh::VectorValue

    Description:End point for line defining cylindrical axis

  • emissivity_fuel1The emissivity of the fuel surface

    Default:1

    C++ Type:double

    Description:The emissivity of the fuel surface

  • jumpdistance_clad0The temperature jump distance for the cladding

    Default:0

    C++ Type:double

    Description:The temperature jump distance for the cladding

  • initial_molesThe Postprocessor that will give the initial moles of gas

    C++ Type:PostprocessorName

    Description:The Postprocessor that will give the initial moles of gas

  • jump_distance_modelDIRECTJump distance model: DIRECT=specify distances directly; KENNARD=computed as a function of gas properties

    Default:DIRECT

    C++ Type:MooseEnum

    Description:Jump distance model: DIRECT=specify distances directly; KENNARD=computed as a function of gas properties

  • appended_property_nameName appended to material properties to make them unique

    C++ Type:std::string

    Description:Name appended to material properties to make them unique

  • meyer_hardness6.8e+08The Meyer hardness of the softer material (Pa)

    Default:6.8e+08

    C++ Type:double

    Description:The Meyer hardness of the softer material (Pa)

  • paired_boundaryThe boundary to be penetrated

    C++ Type:BoundaryName

    Description:The boundary to be penetrated

  • gap_distanceDistance across the gap

    C++ Type:std::vector

    Description:Distance across the gap

  • gas_releasedThe postprocessor(s) that will give the gas released

    C++ Type:std::vector

    Description:The postprocessor(s) that will give the gas released

  • gascond_scalef1scaling factor for gas conductivity

    Default:1

    C++ Type:double

    Description:scaling factor for gas conductivity

  • contact_pressureThe contact pressure variable

    C++ Type:std::vector

    Description:The contact pressure variable

  • max_gap1e+06A maximum gap (denominator) size

    Default:1e+06

    C++ Type:double

    Description:A maximum gap (denominator) size

  • conductivity_namethermal_conductivityThe name of the MaterialProperty associated with conductivity ("thermal_conductivity" in the case of heat conduction)

    Default:thermal_conductivity

    C++ Type:std::string

    Description:The name of the MaterialProperty associated with conductivity ("thermal_conductivity" in the case of heat conduction)

  • gap_geometry_typeGap calculation type.

    C++ Type:MooseEnum

    Description:Gap calculation type.

  • computeTrueWhen false, MOOSE will not call compute methods on this material. The user must call computeProperties() after retrieving the Material via MaterialPropertyInterface::getMaterial(). Non-computed Materials are not sorted for dependencies.

    Default:True

    C++ Type:bool

    Description:When false, MOOSE will not call compute methods on this material. The user must call computeProperties() after retrieving the Material via MaterialPropertyInterface::getMaterial(). Non-computed Materials are not sorted for dependencies.

  • gap_conductivity_functionThermal conductivity of the gap material as a function. Multiplied by gap_conductivity.

    C++ Type:FunctionName

    Description:Thermal conductivity of the gap material as a function. Multiplied by gap_conductivity.

  • roughness_coef1.5The coefficient for the roughness summation

    Default:1.5

    C++ Type:double

    Description:The coefficient for the roughness summation

  • stefan_boltzmann5.669e-08The Stefan-Boltzmann constant

    Default:5.669e-08

    C++ Type:double

    Description:The Stefan-Boltzmann constant

  • gap_conductivity_function_variableVariable to be used in the gap_conductivity_function in place of time

    C++ Type:std::vector

    Description:Variable to be used in the gap_conductivity_function in place of time

  • warningsFalseWhether to output warning messages concerning nodes not being found

    Default:False

    C++ Type:bool

    Description:Whether to output warning messages concerning nodes not being found

  • emissivity_20The emissivity of the cladding surface

    Default:0

    C++ Type:double

    Description:The emissivity of the cladding surface

  • plenum_pressureThe name of the plenum_pressure postprocessor value.

    C++ Type:PostprocessorName

    Description:The name of the plenum_pressure postprocessor value.

  • orderFIRSTThe finite element order

    Default:FIRST

    C++ Type:MooseEnum

    Description:The finite element order

  • blockThe list of block ids (SubdomainID) that this object will be applied

    C++ Type:std::vector

    Description:The list of block ids (SubdomainID) that this object will be applied

  • slave_sideTrueWhether the boundary corresponds to the slave side in mechanical contact

    Default:True

    C++ Type:bool

    Description:Whether the boundary corresponds to the slave side in mechanical contact

Optional Parameters

  • kennard_coefficient5756Nominal leading Kennard model coefficient

    Default:5756

    C++ Type:double

    Description:Nominal leading Kennard model coefficient

  • enableTrueSet the enabled status of the MooseObject.

    Default:True

    C++ Type:bool

    Description:Set the enabled status of the MooseObject.

  • use_displaced_meshTrueWhether 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:True

    C++ Type:bool

    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.

  • control_tagsAdds user-defined labels for accessing object parameters via control logic.

    C++ Type:std::vector

    Description:Adds user-defined labels for accessing object parameters via control logic.

  • seed0The seed for the master random number generator

    Default:0

    C++ Type:unsigned int

    Description:The seed for the master random number generator

  • implicitTrueDetermines whether this object is calculated using an implicit or explicit form

    Default:True

    C++ Type:bool

    Description:Determines whether this object is calculated using an implicit or explicit form

  • constant_onNONEWhen ELEMENT, MOOSE will only call computeQpProperties() for the 0th quadrature point, and then copy that value to the other qps.When SUBDOMAIN, MOOSE will only call computeSubdomainProperties() for the 0th quadrature point, and then copy that value to the other qps. Evaluations on element qps will be skipped

    Default:NONE

    C++ Type:MooseEnum

    Description:When ELEMENT, MOOSE will only call computeQpProperties() for the 0th quadrature point, and then copy that value to the other qps.When SUBDOMAIN, MOOSE will only call computeSubdomainProperties() for the 0th quadrature point, and then copy that value to the other qps. Evaluations on element qps will be skipped

Advanced Parameters

  • output_propertiesList of material properties, from this material, to output (outputs must also be defined to an output type)

    C++ Type:std::vector

    Description:List of material properties, from this material, to output (outputs must also be defined to an output type)

  • outputsnone Vector of output names were you would like to restrict the output of variables(s) associated with this object

    Default:none

    C++ Type:std::vector

    Description:Vector of output names were you would like to restrict the output of variables(s) associated with this object

Outputs Parameters