AuxKernels

  • Heat Transfer App
  • JouleHeatingHeatGeneratedAuxCompute heat generated from Joule heating .

AuxVariables

BCs

  • Heat Transfer App
  • ADConvectiveHeatFluxBCConvective heat transfer boundary condition with temperature and heat transfer coefficent given by material properties.
  • ADFunctionRadiativeBCBoundary condition for radiative heat exchange where the emissivity function is supplied by a Function.
  • ADInfiniteCylinderRadiativeBCBoundary condition for radiative heat exchange with a cylinderwhere the boundary is approximated as a cylinder as well.
  • ConvectiveFluxFunctionDetermines boundary value by fluid heat transfer coefficient and far-field temperature
  • ConvectiveHeatFluxBCConvective heat transfer boundary condition with temperature and heat transfer coefficent given by material properties.
  • CoupledConvectiveFlux
  • CoupledConvectiveHeatFluxBCConvective heat transfer boundary condition with temperature and heat transfer coefficent given by auxiliary variables.
  • DirectionalFluxBCApplies a directional flux multiplied by the surface normal vector. Can utilize the self shadowing calculation from a SelfShadowSideUserObject.
  • FunctionRadiativeBCBoundary condition for radiative heat exchange where the emissivity function is supplied by a Function.
  • GapHeatTransferTransfers heat across a gap between two surfaces dependent on the gap geometry specified.
  • GaussianEnergyFluxBCDescribes an incoming heat flux beam with a Gaussian profile
  • GrayLambertNeumannBCThis BC imposes a heat flux density that is computed from the GrayLambertSurfaceRadiationBase userobject.
  • HeatConductionBC
  • InfiniteCylinderRadiativeBCBoundary condition for radiative heat exchange with a cylinderwhere the boundary is approximated as a cylinder as well.

Constraints

  • Heat Transfer App
  • ADInterfaceJouleHeatingConstraintJoule heating model, for the case of a closed gap interface, to calculate the heat flux contribution created when an electric potential difference occurs across that interface.
  • GapConductanceConstraintComputes the residual and Jacobian contributions for the 'Lagrange Multiplier' implementation of the thermal contact problem. For more information, see the detailed description here: http://tinyurl.com/gmmhbe9
  • ModularGapConductanceConstraintComputes the residual and Jacobian contributions for the 'Lagrange Multiplier' implementation of the thermal contact problem. For more information, see the detailed description here: http://tinyurl.com/gmmhbe9

DiracKernels

FVBCs

FVKernels

  • Heat Transfer App
  • FVHeatConductionTimeDerivativeAD Time derivative term of the heat equation for quasi-constant specific heat and the density .

FunctorMaterials

GrayDiffuseRadiation

  • Heat Transfer App
  • RadiationTransferActionThis action sets up the net radiation calculation between specified sidesets.

InterfaceKernels

  • Heat Transfer App
  • ConjugateHeatTransferThis InterfaceKernel models conjugate heat transfer. Fluid side must be primary side and solid side must be secondary side. T_fluid is provided in case that variable ( fluid energy variable) is not temperature but e.g. internal energy.
  • SideSetHeatTransferKernelModeling conduction, convection, and radiation across internal side set.
  • ThinLayerHeatTransferModel heat transfer across a thin domain with an interface.

Kernels

  • Heat Transfer App
  • ADHeatConductionSame as Diffusion in terms of physics/residual, but the Jacobian is computed using forward automatic differentiation
  • ADHeatConductionTimeDerivativeAD Time derivative term of the heat equation for quasi-constant specific heat and the density .
  • ADJouleHeatingSourceCalculates the heat source term corresponding to electrostatic Joule heating, with Jacobian contributions calculated using the automatic differentiation system.
  • ADMatHeatSourceForce term in thermal transport to represent a heat source
  • AnisoHeatConductionAnisotropic HeatConduction kernel with weak form given by .
  • AnisoHomogenizedHeatConductionKernel for asymptotic expansion homogenization for thermal conductivity when anisotropic thermal conductivities are used
  • HeatCapacityConductionTimeDerivativeTime derivative term of the heat equation with the heat capacity as an argument.
  • HeatConductionComputes residual/Jacobian contribution for term.
  • HeatConductionTimeDerivativeTime derivative term of the heat equation for quasi-constant specific heat and the density .
  • HeatSourceDemonstrates the multiple ways that scalar values can be introduced into kernels, e.g. (controllable) constants, functions, and postprocessors. Implements the weak form .
  • HomogenizedHeatConductionKernel for asymptotic expansion homogenization for thermal conductivity
  • JouleHeatingSourceCalculates the heat source term corresponding to electrostatic Joule heating.
  • SpecificHeatConductionTimeDerivativeTime derivative term of the heat equation with the specific heat and the density as arguments.
  • TrussHeatConductionComputes conduction term in heat equation for truss elements, taking cross-sectional area into account
  • TrussHeatConductionTimeDerivativeComputes time derivative term in heat equation for truss elements, taking cross-sectional area into account

Materials

Mesh

  • Heat Transfer App
  • PatchSidesetGeneratorDivides the given sideset into smaller patches of roughly equal size.

Modules

Modules/HeatTransfer

Modules/HeatTransfer/ThermalContact

  • Heat Transfer App
  • BC
Modules/HeatTransfer/ThermalContact/BC
  • Heat Transfer App
  • ThermalContactActionAction that controls the creation of all of the necessary objects for calculation of Thermal Contact

MortarGapHeatTransfer

  • Heat Transfer App
  • MortarGapHeatTransferActionAction that controls the creation of all of the necessary objects for calculation of heat transfer through an open/closed gap using a mortar formulation and a modular design approach

Physics

Physics/HeatConduction

Physics/HeatConduction/FiniteElement

  • Heat Transfer App
  • HeatConductionFECreates the heat conduction equation discretized with CG

Postprocessors

RayBCs

  • Heat Transfer App
  • ViewFactorRayBCThis ray boundary condition is applied on all sidesets bounding a radiation cavity except symmetry sidesets. It kills rays that hit the sideset and scores the ray for computation of view factors.

ThermalContact

  • Heat Transfer App
  • ThermalContactActionAction that controls the creation of all of the necessary objects for calculation of Thermal Contact

UserObjects

  • Heat Transfer App
  • ADConvectiveHeatTransferSideIntegralComputes the total convective heat transfer across a boundary.
  • ConstantViewFactorSurfaceRadiationConstantViewFactorSurfaceRadiation computes radiative heat transfer between side sets and the view factors are provided in the input file
  • ConvectiveHeatTransferSideIntegralComputes the total convective heat transfer across a boundary.
  • ExposedSideAverageValueComputes the average value of a variable on the exposed portion of a sideset. Note that this cannot be used on the centerline of an axisymmetric model.
  • FunctorGapFluxModelConductionGap flux model for varying gap conductance using a functor for temperature.
  • FunctorGapFluxModelRadiationGap flux model for heat transfer across a gap due to radiation, based on the diffusion approximation. Uses a temperature functor.
  • GapFluxModelConductionGap flux model for varying gap conductance using a coupled variable for temperature
  • GapFluxModelPressureDependentConductionHeat flux model across a closed gap to calculate the conductance between two solid materials
  • GapFluxModelRadiationGap flux model for heat conduction across a gap due to radiation, based on the diffusion approximation. Uses a coupled temperature variable.
  • GapFluxModelRadiativeGap flux demonstration model for radiative heat conductance
  • GapFluxModelSimpleGap flux model with a constant conductance
  • GrayLambertSurfaceRadiationPPThis postprocessor allows to extract radiosity, heat flux density, and temperature from the GrayLambertSurfaceRadiationBase object.
  • HomogenizedThermalConductivityPostprocessor for asymptotic expansion homogenization for thermal conductivity
  • RayTracingViewFactorComputes view factors for arbitrary geometries using raytracing.
  • SelfShadowSideUserObjectCompute the illumination status for a self shadowing sideset
  • ThermalConductivityComputes the average value of a variable on a sideset. Note that this cannot be used on the centerline of an axisymmetric model.
  • UnobstructedPlanarViewFactorComputes the view factors for planar faces in unubstructed radiative heat transfer.
  • ViewFactorObjectSurfaceRadiationViewFactorObjectSurfaceRadiation computes radiative heat transfer between side sets and the view factors are computed by a ViewFactor object
  • ViewFactorPPThis postprocessor allows to extract view factors from ViewFactor userobjects.
  • ViewFactorRayStudyThis ray study is used to compute view factors in cavities with obstruction. It sends out rays from surfaces bounding the radiation cavity into a set of directions determined by an angular quadrature. The rays are tracked and view factors are computed by determining the surface where the ray dies.

VectorPostprocessors