ThermalUO2Meso

under construction:Undocumented Class

Model that computes specific heat and thermal conductivity for oxide fuel.

Input Parameters

  • modelThermal conductivity models: 0==Duriez (MOX), 1==Amaya (MOX), 2==Fink-Lucuta (UO2), 3==Halden (UO2 (w/wo Gd) or MOX), 4==NFIR (UO2 (w/wo Gd)), or 5 == Modified NFI (UO2 w/wo Gd)

    C++ Type:int

    Description:Thermal conductivity models: 0==Duriez (MOX), 1==Amaya (MOX), 2==Fink-Lucuta (UO2), 3==Halden (UO2 (w/wo Gd) or MOX), 4==NFIR (UO2 (w/wo Gd)), or 5 == Modified NFI (UO2 w/wo Gd)

Required Parameters

  • no_FGFalseNo irradiation effects on thermal conductivity

    Default:False

    C++ Type:bool

    Description:No irradiation effects on thermal conductivity

  • porosity_materialFalseWhether a material property for porosity is supplied

    Default:False

    C++ Type:bool

    Description:Whether a material property for porosity is supplied

  • Lucuta_and_mesoTrueUse mesoscale model and lucuta model

    Default:True

    C++ Type:bool

    Description:Use mesoscale model and lucuta model

  • burnup_functionBurnup function

    C++ Type:FunctionName

    Description:Burnup function

  • Rk01.13e-09GB thermal resistance, defaults to value for Sym. Tilt GB in UO2 from LANL MD.

    Default:1.13e-09

    C++ Type:double

    Description:GB thermal resistance, defaults to value for Sym. Tilt GB in UO2 from LANL MD.

  • cp_scalef1scaling factor for fuel specific heat

    Default:1

    C++ Type:double

    Description:scaling factor for fuel specific heat

  • axial_relocation_objectName of the AxialRelocationUserObject that determines whether the fuel has crumbled.

    C++ Type:UserObjectName

    Description:Name of the AxialRelocationUserObject that determines whether the fuel has crumbled.

  • thcond_scalef1scaling factor for fuel thermal conductivity

    Default:1

    C++ Type:double

    Description:scaling factor for fuel thermal conductivity

  • porosityCoupled Porosity

    C++ Type:std::vector

    Description:Coupled Porosity

  • 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

  • gap_thermal_conductivityThe layered average thermal conductivity across the gas gap

    C++ Type:std::vector

    Description:The layered average thermal conductivity across the gas gap

  • oxy_to_metal_ratio2Deviation from stoichiometry

    Default:2

    C++ Type:double

    Description:Deviation from stoichiometry

  • d_GB4e-09GB representative length in m, defaults to value for Rk0 = 1.13e-9 m^2 K/W

    Default:4e-09

    C++ Type:double

    Description:GB representative length in m, defaults to value for Rk0 = 1.13e-9 m^2 K/W

  • grain_radius1e-05fuel Grain radius in m

    Default:1e-05

    C++ Type:double

    Description:fuel Grain radius in m

  • 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.

  • tempCoupled Temperature

    C++ Type:std::vector

    Description:Coupled Temperature

  • initial_porosity0.05Initial porosity. Must be between 0.0 and 1.0

    Default:0.05

    C++ Type:double

    Description:Initial porosity. Must be between 0.0 and 1.0

  • Pu_content0Weight fraction of Pu in MOX fuel (typically ~0.07)

    Default:0

    C++ Type:double

    Description:Weight fraction of Pu in MOX fuel (typically ~0.07)

  • k_bub0.00565Thermal conductivity within the bubbles. Defaults to thermal conductivity of Xe.

    Default:0.00565

    C++ Type:double

    Description:Thermal conductivity within the bubbles. Defaults to thermal conductivity of Xe.

  • Gd_content0Weight fraction of gadolinium in fuel

    Default:0

    C++ Type:double

    Description:Weight fraction of gadolinium in fuel

  • 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

  • bubble_radius5e-07fuel Grain radius in m

    Default:5e-07

    C++ Type:double

    Description:fuel Grain radius in m

  • burnupCoupled Burnup Rate

    C++ Type:std::vector

    Description:Coupled Burnup Rate

Optional Parameters

  • enableTrueSet the enabled status of the MooseObject.

    Default:True

    C++ Type:bool

    Description:Set the enabled status of the MooseObject.

  • 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

    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

Input Files