## Information and Tools

• Moose App
• ADDiffusionSame as Diffusion in terms of physics/residual, but the Jacobian is computed using forward automatic differentiation
• ADDiffusionSame as Diffusion in terms of physics/residual, but the Jacobian is computed using forward automatic differentiation
• Heat Conduction App
• ADHeatConductionSame as Diffusion in terms of physics/residual, but the Jacobian is computed using forward automatic differentiation
• ADHeatConductionSame as Diffusion in terms of physics/residual, but the Jacobian is computed using forward automatic differentiation
• Tensor Mechanics App
• ADStressDivergenceTensorsStress divergence kernel with automatic differentiation for the Cartesian coordinate system
• ADStressDivergenceTensorsStress divergence kernel with automatic differentiation for the Cartesian coordinate system
• Misc App
• ADMatDiffusionSame as Diffusion in terms of physics/residual, but the Jacobian is computed using forward automatic differentiation
• ADMatDiffusionSame as Diffusion in terms of physics/residual, but the Jacobian is computed using forward automatic differentiation

## BCs

• Moose App
• ConvectiveFluxBCDetermines boundary values via the initial and final values, flux, and exposure duration
• DGFunctionDiffusionDirichletBC
• DiffusionFluxBCComputes a boundary residual contribution consistent with the Diffusion Kernel. Does not impose a boundary condition; instead computes the boundary contribution corresponding to the current value of grad(u) and accumulates it in the residual vector.
• DirichletBCImposes the essential boundary condition , where is a constant, controllable value.
• EigenDirichletBCDirichlet BC for eigenvalue solvers
• FunctionDirichletBCImposes the essential boundary condition , where is a (possibly) time and space-dependent MOOSE Function.
• FunctionNeumannBCImposes the integrated boundary condition , where is a (possibly) time and space-dependent MOOSE Function.
• FunctionPenaltyDirichletBC
• FunctionPresetBCThe same as FunctionDirichletBC except the value is applied before the solve begins
• LagrangeVecDirichletBCImposes the essential boundary condition , where are constant, controllable values.
• LagrangeVecFunctionDirichletBCImposes the essential boundary condition , where components are calculated with functions.
• MatchedValueBCImplements a NodalBC which equates two different Variables' values on a specified boundary.
• NeumannBCImposes the integrated boundary condition , where is a constant, controllable value.
• OneDEqualValueConstraintBC
• PenaltyDirichletBCEnforces a Dirichlet boundary condition in a weak sense by penalizing differences between the current solution and the Dirichlet data.
• PostprocessorDirichletBC
• PostprocessorNeumannBC
• PresetBCSimilar to DirichletBC except the value is applied before the solve begins
• SinDirichletBCImposes a time-varying essential boundary condition , where varies from an given initial value at time to a given final value over a specified duration.
• SinNeumannBCImposes a time-varying flux boundary condition , where varies from an given initial value at time to a given final value over a specified duration.
• VacuumBC
• VectorNeumannBCImposes the integrated boundary condition , where is a user-defined, constant vector.
• WeakGradientBCComputes a boundary residual contribution consistent with the Diffusion Kernel. Does not impose a boundary condition; instead computes the boundary contribution corresponding to the current value of grad(u) and accumulates it in the residual vector.
• Periodic
• Rdg App
• AEFVBCA boundary condition kernel for the advection equation using a cell-centered finite volume method.
• Functional Expansion Tools App
• FXFluxBCSets a flux boundary condition, evaluated using a FunctionSeries instance. This does not fix the flux, but rather 'strongly encourages' flux agreement by penalizing the differences through contributions to the residual.
• FXValueBCImposes a fixed value boundary condition, evaluated using a FunctionSeries instance.
• FXValuePenaltyBCSets a value boundary condition, evaluated using a FunctionSeries instance. This does not fix the value, but rather 'strongly encourages' value agreement by penalizing the differences through contributions to the residual.
• XFEMApp
• CrackTipEnrichmentCutOffBCSimilar to DirichletBC except the value is applied before the solve begins
• Heat Conduction App
• ConvectiveFluxFunctionDetermines boundary value by fluid heat transfer coefficient and far-field temperature
• CoupledConvectiveFlux
• CoupledConvectiveHeatFluxBCConvective heat transfer boundary condition with temperature and heat transfer coefficent given by auxiliary variables.
• GapHeatTransferTransfers heat across a gap between two surfaces dependant on the gap geometry specified.
• HeatConductionBC
• Richards App
• Q2PPiecewiseLinearSinkSink of fluid, controlled by (pressure, bare_fluxes) interpolation. This is for use in Q2P models
• RichardsExcavAllows the user to set variable values at the face of an excavation. You must have defined the excavation start time, start position, etc, through the excav_geom_function
• RichardsHalfGaussianSink
• RichardsPiecewiseLinearSink
• Tensor Mechanics App
• CoupledPressureBCApplies a pressure from a variable on a given boundary in a given direction
• DashpotBC
• DisplacementAboutAxisImplements a boundary condition that enforces rotationaldisplacement around an axis on a boundary
• InteractionIntegralBenchmarkBC
• PresetAccelerationPrescribe acceleration on a given boundary in a given direction
• PresetDisplacementPrescribe the displacement on a given boundary in a given direction.
• PresetVelocity
• PressureApplies a pressure on a given boundary in a given direction
• StickyBCImposes the boundary condition if exceeds the bounds provided
• CavityPressure
• CoupledPressure
• Pressure
• Navier Stokes App
• EnergyFreeBC
• INSMomentumNoBCBCLaplaceFormThis class implements the 'No BC' boundary condition based on the 'Laplace' form of the viscous stress tensor.
• INSMomentumNoBCBCTractionFormThis class implements the 'No BC' boundary condition based on the 'traction' form of the viscous stress tensor.
• INSTemperatureNoBCBCThis class implements the 'No BC' boundary condition discussed by Griffiths, Papanastiou, and others.
• ImplicitNeumannBCThis class implements a form of the Neumann boundary condition in which the boundary term is treated 'implicitly'.
• MassFreeBC
• MomentumFreeBC
• MomentumFreeSlipBC
• NSEnergyInviscidSpecifiedBCThis class corresponds to the inviscid part of the 'natural' boundary condition for the energy equation.
• NSEnergyInviscidSpecifiedDensityAndVelocityBCThis class corresponds to the inviscid part of the 'natural' boundary condition for the energy equation.
• NSEnergyInviscidSpecifiedNormalFlowBCThis class corresponds to the inviscid part of the 'natural' boundary condition for the energy equation.
• NSEnergyInviscidSpecifiedPressureBCThis class corresponds to the inviscid part of the 'natural' boundary condition for the energy equation.
• NSEnergyInviscidUnspecifiedBCThis class corresponds to the inviscid part of the 'natural' boundary condition for the energy equation.
• NSEnergyViscousBCThis class couples together all the variables for the compressible Navier-Stokes equations to allow them to be used in derived IntegratedBC classes.
• NSEnergyWeakStagnationBCThe inviscid energy BC term with specified normal flow.
• NSImposedVelocityBCImpose Velocity BC.
• NSImposedVelocityDirectionBCThis class imposes a velocity direction component as a Dirichlet condition on the appropriate momentum equation.
• NSInflowThermalBCThis class is used on a boundary where the incoming flow values (rho, u, v, T) are all completely specified.
• NSMassSpecifiedNormalFlowBCThis class implements the mass equation boundary term with a specified value of rho*(u.n) imposed weakly.
• NSMassUnspecifiedNormalFlowBCThis class implements the mass equation boundary term with the rho*(u.n) boundary integral computed implicitly.
• NSMassWeakStagnationBCThe inviscid energy BC term with specified normal flow.
• NSMomentumConvectiveWeakStagnationBCThe convective part (sans pressure term) of the momentum equation boundary integral evaluated at specified stagnation temperature, stagnation pressure, and flow direction values.
• NSMomentumInviscidNoPressureImplicitFlowBCMomentum equation boundary condition used when pressure is not integrated by parts.
• NSMomentumInviscidSpecifiedNormalFlowBCMomentum equation boundary condition in which pressure is specified (given) and the value of the convective part is allowed to vary (is computed implicitly).
• NSMomentumInviscidSpecifiedPressureBCMomentum equation boundary condition in which pressure is specified (given) and the value of the convective part is allowed to vary (is computed implicitly).
• NSMomentumPressureWeakStagnationBCThis class implements the pressure term of the momentum equation boundary integral for use in weak stagnation boundary conditions.
• NSMomentumViscousBCThis class corresponds to the viscous part of the 'natural' boundary condition for the momentum equations.
• NSPenalizedNormalFlowBCThis class penalizes the the value of u.n on the boundary so that it matches some desired value.
• NSPressureNeumannBCThis kernel is appropriate for use with a 'zero normal flow' boundary condition in the context of the Euler equations.
• NSStagnationPressureBCThis Dirichlet condition imposes the condition p_0 = p_0_desired.
• NSStagnationTemperatureBCThis Dirichlet condition imposes the condition T_0 = T_0_desired.
• NSThermalBCNS thermal BC.
• Chemical Reactions App
• ChemicalOutFlowBCChemical flux boundary condition
• Porous Flow App
• PorousFlowHalfCubicSinkApplies a flux sink to a boundary. The base flux defined by PorousFlowSink is multiplied by a cubic.
• PorousFlowHalfGaussianSinkApplies a flux sink to a boundary. The base flux defined by PorousFlowSink is multiplied by a Gaussian.
• PorousFlowPiecewiseLinearSinkApplies a flux sink to a boundary. The base flux defined by PorousFlowSink is multiplied by a piecewise linear function.
• PorousFlowSinkApplies a flux sink to a boundary.

## Kernels

• Moose App
• AnisotropicDiffusionAnisotropic diffusion kernel with weak form given by .
• BodyForceDemonstrates the multiple ways that scalar values can be introduced into kernels, e.g. (controllable) constants, functions, and postprocessors. Implements the weak form .
• CoefTimeDerivativeThe time derivative operator with the weak form of .
• ConservativeAdvectionConservative form of which in its weak form is given by: .
• CoupledForceImplements a source term proportional to the value of a coupled variable. Weak form: .
• CoupledTimeDerivativeTime derivative Kernel that acts on a coupled variable. Weak form: .
• DiffusionThe Laplacian operator (), with the weak form of .
• MassEigenKernelAn eigenkernel with weak form where is the eigenvalue.
• MassLumpedTimeDerivativeLumped formulation of the time derivative . Its corresponding weak form is where denotes the time derivative of the solution coefficient associated with node .
• MatDiffusionDiffusion equation Kernel that takes an isotropic Diffusivity from a material property
• MaterialDerivativeRankFourTestKernelClass used for testing derivatives of a rank four tensor material property.
• MaterialDerivativeRankTwoTestKernelClass used for testing derivatives of a rank two tensor material property.
• MaterialDerivativeTestKernelClass used for testing derivatives of a scalar material property.
• NullKernelKernel that sets a zero residual.
• ReactionImplements a simple consuming reaction term with weak form .
• TimeDerivativeThe time derivative operator with the weak form of .
• UserForcingFunctionDemonstrates the multiple ways that scalar values can be introduced into kernels, e.g. (controllable) constants, functions, and postprocessors. Implements the weak form .
• VectorBodyForceDemonstrates the multiple ways that scalar values can be introduced into kernels, e.g. (controllable) constants, functions, and postprocessors. Implements the weak form .
• VectorDiffusionThe Laplacian operator (), with the weak form of .
• Phase Field Test App
• GaussContForcing
• Phase Field App
• ACBarrierFunctionAllen Cahn kernel used when 'mu' is a function of variables
• ACGBPolyGrain-Boundary model concentration dependent residual
• ACGrGrElasticDrivingForceAdds elastic energy contribution to the Allen-Cahn equation
• ACGrGrMultiMulti-phase poly-crystaline Allen-Cahn Kernel
• ACGrGrPolyGrain-Boundary model poly-crystaline interface Allen-Cahn Kernel
• ACInterface2DMultiPhase1Gradient energy Allen-Cahn Kernel where the derivative of interface parameter kappa wrt the gradient of order parameter is considered.
• ACInterface2DMultiPhase2Gradient energy Allen-Cahn Kernel where the interface parameter kappa is considered.
• ACInterfaceKobayashi1Anisotropic gradient energy Allen-Cahn Kernel Part 1
• ACInterfaceKobayashi2Anisotropic Gradient energy Allen-Cahn Kernel Part 2
• ACInterfaceStressInterface stress driving force Allen-Cahn Kernel
• ACKappaFunctionGradient energy term for when kappa as a function of the variable
• ACMultiInterfaceGradient energy Allen-Cahn Kernel with cross terms
• ACSEDGPolyStored Energy contribution to grain growth
• ACSwitchingKernel for Allen-Cahn equation that adds derivatives of switching functions and energies
• AllenCahnAllen-Cahn Kernel that uses a DerivativeMaterial Free Energy
• AllenCahnElasticEnergyOffDiagThis kernel calculates off-diagonal jacobian of elastic energy in AllenCahn with respect to displacements
• CHBulkPFCTradCahn-Hilliard kernel for a polynomial phase field crystal free energy.
• CHInterfaceGradient energy Cahn-Hilliard Kernel with a scalar (isotropic) mobility
• CHInterfaceAnisoGradient energy Cahn-Hilliard Kernel with a tensor (anisotropic) mobility
• CHMathSimple demonstration Cahn-Hilliard Kernel using an algebraic double-well potential
• CHPFCRFFCahn-Hilliard residual for the RFF form of the phase field crystal model
• CHSplitChemicalPotentialChemical potential kernel in Split Cahn-Hilliard that solves chemical potential in a weak form
• CHSplitConcentrationConcentration kernel in Split Cahn-Hilliard that solves chemical potential in a weak form
• CHSplitFluxComputes flux as nodal variable
• CahnHilliardCahn-Hilliard Kernel that uses a DerivativeMaterial Free Energy and a scalar (isotropic) mobility
• CahnHilliardAnisoCahn-Hilliard Kernel that uses a DerivativeMaterial Free Energy and a tensor (anisotropic) mobility
• CoefCoupledTimeDerivativeScaled time derivative Kernel that acts on a coupled variable
• CoefReactionImplements the residual term (p*u, test)
• ConservedLangevinNoiseSource term for noise from a ConservedNoise userobject
• CoupledAllenCahnCoupled Allen-Cahn Kernel that uses a DerivativeMaterial Free Energy
• CoupledMaterialDerivativeKernel that implements the first derivative of a function material property with respect to a coupled variable.
• CoupledSusceptibilityTimeDerivativeA modified coupled time derivative Kernel that multiplies the time derivative of a coupled variable by a generalized susceptibility
• CoupledSwitchingTimeDerivativeCoupled time derivative Kernel that multiplies the time derivative by $\frac{dh_\alpha}{d\eta_i} F_\alpha + \frac{dh_\beta}{d\eta_i} F_\beta + \dots) • DiscreteNucleationForceTerm for inserting grain nuclei or phases in non-conserved order parameter fields • GradientComponentSet the kernel variable to a specified component of the gradient of a coupled variable. • HHPFCRFFReaction type kernel for the RFF phase fit crystal model • KKSACBulkCKKS model kernel (part 2 of 2) for the Bulk Allen-Cahn. This includes all terms dependent on chemical potential. • KKSACBulkFKKS model kernel (part 1 of 2) for the Bulk Allen-Cahn. This includes all terms NOT dependent on chemical potential. • KKSCHBulkKKS model kernel for the Bulk Cahn-Hilliard term. This operates on the concentration 'c' as the non-linear variable • KKSMultiACBulkCMulti-phase KKS model kernel (part 2 of 2) for the Bulk Allen-Cahn. This includes all terms dependent on chemical potential. • KKSMultiACBulkFKKS model kernel (part 1 of 2) for the Bulk Allen-Cahn. This includes all terms NOT dependent on chemical potential. • KKSMultiPhaseConcentrationKKS multi-phase model kernel to enforce . The non-linear variable of this kernel is , the final phase concentration in the list. • KKSPhaseChemicalPotentialKKS model kernel to enforce the pointwise equality of phase chemical potentials dFa/dca = dFb/dcb. The non-linear variable of this kernel is ca. • KKSPhaseConcentrationKKS model kernel to enforce the decomposition of concentration into phase concentration (1-h(eta))ca + h(eta)cb - c = 0. The non-linear variable of this kernel is cb. • KKSSplitCHCResKKS model kernel for the split Bulk Cahn-Hilliard term. This operates on the chemical potential 'c' as the non-linear variable • LangevinNoiseSource term for non-conserved Langevin noise • LaplacianSplitSplit with a variable that holds the Laplacian of a phase field variable. • MaskedBodyForceKernel that defines a body force modified by a material mask • MatAnisoDiffusionDiffusion equation Kernel that takes an anisotropic Diffusivity from a material property • MatGradSquareCoupledGradient square of a coupled variable. • MatReactionKernel to add -L*v, where L=reaction rate, v=variable • MultiGrainRigidBodyMotionAdds rigid mody motion to grains • SimpleACInterfaceGradient energy for Allen-Cahn Kernel with constant Mobility and Interfacial parameter • SimpleCHInterfaceGradient energy for Cahn-Hilliard equation with constant Mobility and Interfacial parameter • SimpleCoupledACInterfaceGradient energy for Allen-Cahn Kernel with constant Mobility and Interfacial parameter for a coupled order parameter variable. • SimpleSplitCHWResGradient energy for split Cahn-Hilliard equation with constant Mobility for a coupled order parameter variable. • SingleGrainRigidBodyMotionAdds rigid mody motion to a single grain • SoretDiffusionAdd Soret effect to Split formulation Cahn-Hilliard Kernel • SplitCHMathSimple demonstration split formulation Cahn-Hilliard Kernel using an algebraic double-well potential • SplitCHParsedSplit formulation Cahn-Hilliard Kernel that uses a DerivativeMaterial Free Energy • SplitCHWResSplit formulation Cahn-Hilliard Kernel for the chemical potential variable with a scalar (isotropic) mobility • SplitCHWResAnisoSplit formulation Cahn-Hilliard Kernel for the chemical potential variable with a tensor (anisotropic) mobility • SusceptibilityTimeDerivativeA modified time derivative Kernel that multiplies the time derivative of a variable by a generalized susceptibility • SwitchingFunctionConstraintEtaLagrange multiplier kernel to constrain the sum of all switching functions in a multiphase system. This kernel acts on a non-conserved order parameter eta_i. • SwitchingFunctionConstraintLagrangeLagrange multiplier kernel to constrain the sum of all switching functions in a multiphase system. This kernel acts on the lagrange multiplier variable. • SwitchingFunctionPenaltyPenalty kernel to constrain the sum of all switching functions in a multiphase system. • CHPFCRFFSplitKernel • HHPFCRFFSplitKernel • PFCRFFKernel • PolycrystalElasticDrivingForce • PolycrystalKernel • PolycrystalStoredEnergy • RigidBodyMultiKernel • Misc App • CoefDiffusionKernel for diffusion with diffusivity = coef + function • ThermoDiffusionKernel for thermo-diffusion (Soret effect, thermophoresis, etc.) • Navier Stokes Test App • AdvectionThis class solves the scalar advection equation, with SUPG stabilization. • Level Set App • LevelSetAdvectionImplements the level set advection equation: , where the weak form is . • LevelSetAdvectionSUPGSUPG stablization term for the advection portion of the level set equation. • LevelSetForcingFunctionSUPGThe SUPG stablization term for a forcing function. • LevelSetOlssonReinitializationThe re-initialization equation defined by Olsson et. al. (2007). • LevelSetTimeDerivativeSUPGSUPG stablization terms for the time derivative of the level set equation. • Solid Mechanics App • HomogenizationKernel • OutOfPlaneStress • SolidMechImplicitEuler • StressDivergence • StressDivergenceRSpherical • StressDivergenceRZ • XFEMApp • CrackTipEnrichmentStressDivergenceTensorsEnrich stress divergence kernel for small-strain simulations • Heat Conduction App • AnisoHeatConduction • 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 . • HomogenizedHeatConduction • JouleHeatingSourceDemonstrates the multiple ways that scalar values can be introduced into kernels, e.g. (controllable) constants, functions, and postprocessors. Implements the weak form . • SpecificHeatConductionTimeDerivativeTime derivative term of the heat equation with the specific heat and the density as arguments. • Richards App • DarcyFluxDarcy flux. nabla_i (k_ij/mu (nabla_j P - w_j)), where k_ij is the permeability tensor, mu is the fluid viscosity, P is the fluid pressure, and w_j is the fluid weight • PoroFullSatTimeDerivativeKernel = biot_coefficient*d(volumetric_strain)/dt + (1/biot_modulus)*d(porepressure)/dt. This is the time-derivative for poromechanics for a single-phase, fully-saturated fluid with constant bulk modulus • Q2PNegativeNodalMassOld- fluid_mass • Q2PNodalMassFluid mass lumped to the nodes divided by dt • Q2PPorepressureFluxFlux according to Darcy-Richards flow. The Variable for this Kernel should be the porepressure. • Q2PSaturationDiffusionDiffusion part of the Flux according to Darcy-Richards flow. The Variable of this Kernel must be the saturation. • Q2PSaturationFluxFlux according to Darcy-Richards flow. The Variable of this Kernel must be the saturation • RichardsFlux • RichardsFullyUpwindFlux • RichardsLumpedMassChange • RichardsMassChangeThe time derivative operator with the weak form of . • RichardsPPenaltyThis adds a term to the residual that attempts to enforce variable > lower_var. The term is a*(lower - variable) for variable • Tensor Mechanics App • CosseratStressDivergenceTensorsStress divergence kernel for the Cartesian coordinate system • DynamicStressDivergenceTensorsResidual due to stress related Rayleigh damping and HHT time integration terms • GeneralizedPlaneStrainOffDiagGeneralized Plane Strain kernel to provide contribution of the out-of-plane strain to other kernels • GravityApply gravity. Value is in units of acceleration. • InertialForceCalculates the residual for the interial force () and the contribution of mass dependent Rayleigh damping and HHT time integration scheme ($\eta \cdot M \cdot ((1+\alpha)velq2-\alpha \cdot vel-old) \$)
• InertialForceBeamCalculates the residual for the interial force/moment and the contribution of mass dependent Rayleigh damping and HHT time integration scheme.
• InertialTorqueKernel for interial torque: density * displacement x acceleration
• MomentBalancing
• OutOfPlanePressureApply pressure in the out-of-plane direction in 2D plane stress or generalized plane strain models
• PhaseFieldFractureMechanicsOffDiagStress divergence kernel for phase-field fracture: Computes off diagonal damage dependent Jacobian components. To be used with StressDivergenceTensors or DynamicStressDivergenceTensors.
• PlasticHeatEnergyPlastic heat energy density = coeff * stress * plastic_strain_rate
• PoroMechanicsCouplingAdds , where the subscript is the component.
• StressDivergenceBeamQuasi-static and dynamic stress divergence kernel for Beam element
• StressDivergenceRSphericalTensorsCalculate stress divergence for a spherically symmetric 1D problem in polar coordinates.
• StressDivergenceRZTensorsCalculate stress divergence for an axisymmetric problem in cylindrical coordinates.
• StressDivergenceTensorsStress divergence kernel for the Cartesian coordinate system
• StressDivergenceTensorsTrussKernel for truss element
• WeakPlaneStressPlane stress kernel to provide out-of-plane strain contribution
• DynamicTensorMechanics
• PoroMechanics
• TensorMechanics
• Porous Flow App
• FluxLimitedTVDAdvectionConservative form of (advection), using the Flux Limited TVD scheme invented by Kuzmin and Turek
• PorousFlowBasicAdvectionAdvective flux of a Variable using the Darcy velocity of the fluid phase
• PorousFlowDesorpedMassTimeDerivativeDesorped component mass derivative wrt time.
• PorousFlowDesorpedMassVolumetricExpansionDesorped_mass * rate_of_solid_volumetric_expansion
• PorousFlowDispersiveFluxDispersive and diffusive flux of the component given by fluid_component in all phases
• PorousFlowEffectiveStressCouplingAdds , where the subscript is the component.
• PorousFlowEnergyTimeDerivativeDerivative of heat-energy-density wrt time
• PorousFlowExponentialDecayResidual = rate * (variable - reference). Useful for modelling exponential decay of a variable
• PorousFlowFluxLimitedTVDAdvectionAdvective flux of fluid species or heat using the Flux Limited TVD scheme invented by Kuzmin and Turek
• PorousFlowFullySaturatedDarcyBaseDarcy flux suitable for models involving a fully-saturated, single phase, single component fluid. No upwinding is used
• PorousFlowFullySaturatedDarcyFlowDarcy flux suitable for models involving a fully-saturated single phase, multi-component fluid. No upwinding is used
• PorousFlowFullySaturatedHeatAdvectionHeat flux that arises from the advection of a fully-saturated single phase fluid. No upwinding is used
• PorousFlowFullySaturatedMassTimeDerivativeFully-saturated version of the single-component, single-phase fluid mass derivative wrt time
• PorousFlowHeatConductionHeat conduction in the Porous Flow module
• PorousFlowHeatVolumetricExpansionEnergy-density*rate_of_solid_volumetric_expansion
• PorousFlowMassTimeDerivativeComponent mass derivative wrt time for component given by fluid_component
• PorousFlowMassVolumetricExpansionComponent_mass*rate_of_solid_volumetric_expansion
• PorousFlowPlasticHeatEnergyPlastic heat energy density source = (1 - porosity) * coeff * stress * plastic_strain_rate
• PorousFlowPreDisPrecipitation-dissolution of chemical species
• Navier Stokes App
• DistributedForce
• DistributedPower
• INSChorinCorrectorThis class computes the 'Chorin' Corrector equation in fully-discrete (both time and space) form.
• INSChorinPredictorThis class computes the 'Chorin' Predictor equation in fully-discrete (both time and space) form.
• INSChorinPressurePoissonThis class computes the pressure Poisson solve which is part of the 'split' scheme used for solving the incompressible Navier-Stokes equations.
• INSCompressibilityPenaltyThe penalty term may be used when Dirichlet boundary condition is applied to the entire boundary.
• INSMassThis class computes the mass equation residual and Jacobian contributions for the incompressible Navier-Stokes momentum equation.
• INSMassRZThis class computes the mass equation residual and Jacobian contributions for the incompressible Navier-Stokes momentum equation in RZ coordinates.
• INSMomentumLaplaceFormThis class computes momentum equation residual and Jacobian viscous contributions for the 'Laplacian' form of the governing equations.
• INSMomentumLaplaceFormRZThis class computes additional momentum equation residual and Jacobian contributions for the incompressible Navier-Stokes momentum equation in RZ (axisymmetric cylindrical) coordinates, using the 'Laplace' form of the governing equations.
• INSMomentumTimeDerivativeThis class computes the time derivative for the incompressible Navier-Stokes momentum equation.
• INSMomentumTractionFormThis class computes momentum equation residual and Jacobian viscous contributions for the 'traction' form of the governing equations.
• INSMomentumTractionFormRZThis class computes additional momentum equation residual and Jacobian contributions for the incompressible Navier-Stokes momentum equation in RZ (axisymmetric cylindrical) coordinates.
• INSPressurePoissonThis class computes the pressure Poisson solve which is part of the 'split' scheme used for solving the incompressible Navier-Stokes equations.
• INSProjectionThis class computes the 'projection' part of the 'split' method for solving incompressible Navier-Stokes.
• INSSplitMomentumThis class computes the 'split' momentum equation residual.
• INSTemperatureThis class computes the residual and Jacobian contributions for the incompressible Navier-Stokes temperature (energy) equation.
• INSTemperatureTimeDerivativeThis class computes the time derivative for the incompressible Navier-Stokes momentum equation.
• MassConvectiveFlux
• MomentumConvectiveFlux
• NSEnergyInviscidFluxThis class computes the inviscid part of the energy flux.
• NSEnergyThermalFluxThis class is responsible for computing residuals and Jacobian terms for the k * grad(T) * grad(phi) term in the Navier-Stokes energy equation.
• NSEnergyViscousFluxViscous flux terms in energy equation.
• NSGravityForceThis class computes the gravity force contribution.
• NSGravityPowerThis class computes the momentum contributed by gravity.
• NSMassInviscidFluxThis class computes the inviscid flux in the mass equation.
• NSMomentumInviscidFluxThe inviscid flux (convective + pressure terms) for the momentum conservation equations.
• NSMomentumInviscidFluxWithGradPThis class computes the inviscid flux with pressure gradient in the momentum equation.
• NSMomentumViscousFluxDerived instance of the NSViscousFluxBase class for the momentum equations.
• NSSUPGEnergyCompute residual and Jacobian terms form the SUPG terms in the energy equation.
• NSSUPGMassCompute residual and Jacobian terms form the SUPG terms in the mass equation.
• NSSUPGMomentumCompute residual and Jacobian terms form the SUPG terms in the momentum equation.
• NSTemperatureL2This class was originally used to solve for the temperature using an L2-projection.
• TotalEnergyConvectiveFlux
• Fluid Properties Test App
• NaNInterfaceTestKernelKernel to test NaNInterface using NaNInterfaceTestFluidProperties
• Chemical Reactions App
• CoupledBEEquilibriumSubDerivative of equilibrium species concentration wrt time
• CoupledBEKineticDerivative of kinetic species concentration wrt time
• CoupledConvectionReactionSubConvection of equilibrium species
• CoupledDiffusionReactionSubDiffusion of equilibrium species
• DarcyFluxPressure
• DesorptionFromMatrixMass flow rate from the matrix to the porespace. Add this to TimeDerivative kernel to get complete DE for the fluid adsorbed in the matrix
• DesorptionToPorespaceMass flow rate to the porespace from the matrix. Add this to the other kernels for the porepressure variable to form the complete DE
• PrimaryConvectionConvection of primary species
• PrimaryDiffusionDiffusion of primary species
• PrimaryTimeDerivativeDerivative of primary species concentration wrt time
• Misc Test App
• Convection

### Kernels/PoroMechanics

• Tensor Mechanics App
• PoroMechanicsActionSet up stress divergence kernels with coordinate system aware logic

## Modules

### Modules/TensorMechanics

#### Modules/TensorMechanics/LineElementMaster

• Tensor Mechanics App
• CommonLineElementActionSets up variables, stress divergence kernels and materials required for a static analysis with beam or truss elements. Also sets up aux variables, aux kernels, and consistent or nodal inertia kernels for dynamic analysis with beam elements.
• LineElementActionSets up variables, stress divergence kernels and materials required for a static analysis with beam or truss elements. Also sets up aux variables, aux kernels, and consistent or nodal inertia kernels for dynamic analysis with beam elements.

## UserObjects

• Moose App
• AreaPostprocessorComputes the "area" or dimension - 1 "volume" of a given boundary or boundaries in your mesh.
• AverageElementSize
• AverageNodalVariableValue
• AxisymmetricCenterlineAverageValueComputes the average value of a variable on a sideset located along the centerline of an axisymmetric model.
• ChangeOverTimePostprocessorComputes the change or relative change in a post-processor value over a timestep or the entire transient
• ChangeOverTimestepPostprocessorComputes the change or relative change in a post-processor value over a timestep or the entire transient
• CumulativeValuePostprocessor
• DifferencePostprocessor
• ElementAverageSecondTimeDerivativeComputes the element averaged second derivative of variable
• ElementAverageTimeDerivative
• ElementAverageValue
• ElementExtremeValue
• ElementH1Error
• ElementH1SemiError
• ElementIntegralMaterialProperty
• ElementIntegralVariablePostprocessor
• ElementIntegralVariableUserObject
• ElementL2Difference
• ElementL2Error
• ElementL2Norm
• ElementQualityCheckerClass to check the quality of each element using different metrics from libmesh.
• ElementVectorL2Error
• ElementW1pError
• ElementalVariableValueOutputs an elemental variable value at a particular location
• EmptyPostprocessor
• ExecutionerAttributeReporter
• FindValueOnLineFind a specific target value along a sampling line. The variable values along the line should change monotonically. The target value is searched using a bisection algorithm.
• FunctionSideIntegral
• FunctionValuePostprocessor
• GeometrySphereSnap nodes to the surface of a sphere on adaptivity
• LayeredAverage
• LayeredIntegral
• LayeredSideAverage
• LayeredSideFluxAverage
• LayeredSideIntegral
• LinearCombinationPostprocessor
• MemoryUsageMemory usage statistics for the running simulation.
• NearestPointLayeredAverage
• NodalExtremeValue
• NodalL2Error
• NodalL2Norm
• NodalMaxValue
• NodalNormalsCorner
• NodalNormalsEvaluator
• NodalNormalsPreprocessor
• NodalProxyMaxValue
• NodalSum
• NodalVariableValueOutputs values of a nodal variable at a particular location
• NumDOFsReturn the number of Degrees of freedom from either the NL, Aux or both systems.
• NumElemsReturn the number of active or total elements in the simulation.
• NumLinearIterations
• NumNodesReturns the total number of nodes in a simulation (works with DistributedMesh)
• NumNonlinearIterationsOutputs the number of nonlinear iterations
• NumPicardIterations
• NumResidualEvaluations
• NumVarsReturn the number of variables from either the NL, Aux, or both systems.
• PercentChangePostprocessor
• PerfGraphDataRetrieves timing information from the PerfGraph.
• PointValue
• PostprocessorComparisonCompares two post-processors and produces a boolean value
• RelativeDifferencePostprocessorComputes the absolute value of the relative difference between 2 post-processor values.
• RelativeSolutionDifferenceNorm
• Residual
• ScalarL2Error
• ScalarVariable
• ScalePostprocessor
• SideAverageValueComputes the average value of a variable on a sideset. Note that this cannot be used on the centerline of an axisymmetric model.
• SideFluxAverageComputes the integral of the flux over the specified boundary
• SideFluxIntegralComputes the integral of the flux over the specified boundary
• SideIntegralVariablePostprocessor
• SolutionUserObjectReads a variable from a mesh in one simulation to another
• Terminator
• TimeExtremeValueA postprocessor for reporting the extreme value of another postprocessor over time.
• TimestepSizeReports the timestep size
• TotalVariableValue
• VariableInnerProduct
• VariableResidual
• VectorPostprocessorComparisonCompares two vector post-processors of equal size and produces a boolean value
• VerifyElementUniqueID
• VerifyNodalUniqueID
• VolumePostprocessor
• Stochastic Tools Test App
• TestDistributionPostprocessor
• TestSampler
• Rdg App
• AEFVFreeOutflowBoundaryFluxFree outflow BC based boundary flux user object for the advection equation using a cell-centered finite volume method.
• AEFVSlopeLimitingOneDOne-dimensional slope limiting to get the limited slope of cell average variable for the advection equation using a cell-centered finite volume method.
• AEFVUpwindInternalSideFluxUpwind numerical flux scheme for the advection equation using a cell-centered finite volume method.
• Phase Field App
• AverageGrainVolumeCalculate average grain area in a polycrystal
• ComputeExternalGrainForceAndTorqueUserobject for calculating force and torque acting on a grain
• ComputeGrainForceAndTorqueUserobject for calculating force and torque acting on a grain
• ConservedMaskedNormalNoiseGaussian normal distributed random number noise provider with an applied spatially dependent material property mask for the ConservedLangevinNoise kernel.
• ConservedMaskedUniformNoiseUniformly distributed random number noise provider with an applied spatially dependent material property mask for the ConservedLangevinNoise kernel.
• ConservedNormalNoiseGaussian normal distributed random number noise provider for the ConservedLangevinNoise kernel.
• ConservedUniformNoiseUniformly distributed random number noise provider for the ConservedLangevinNoise kernel.
• ConstantGrainForceAndTorqueUserobject for calculating force and torque acting on a grain
• DiscreteNucleationDataOutput diagnostic data on a DiscreteNucleationInserter
• DiscreteNucleationFromFileManages the list of currently active nucleation sites and adds new sites according to a predetermined list from a CSV file (use this with sync_times).
• DiscreteNucleationInserterManages the list of currently active nucleation sites and adds new sites according to a given probability function.
• DiscreteNucleationMapGenerates a spatial smoothed map of all nucleation sites with the data of the DiscreteNucleationInserter for use by the DiscreteNucleation material.
• DiscreteNucleationTimeStepReturn a time step limit for nucleation event to be used by IterationAdaptiveDT
• EBSDReaderLoad and manage DREAM.3D EBSD data files for running simulations on reconstructed microstructures.
• EulerAngleUpdaterProvide updated euler angles after rigid body rotation of the grains.
• FauxGrainTrackerFake grain tracker object for cases where the number of grains is equal to the number of order parameters.
• FeatureFloodCountThe object is able to find and count "connected components" in any solution field or number of solution fields. A primary example would be to count "bubbles".
• FeatureVolumeFraction
• GrainBoundaryAreaCalculate total grain boundary length in 2D and area in 3D
• GrainForceAndTorqueSumUserobject for summing forces and torques acting on a grain
• GrainTrackerGrain Tracker object for running reduced order parameter simulations without grain coalescence.
• GrainTrackerElasticityGrain Tracker object for running reduced order parameter simulations without grain coalescence.
• MaskedGrainForceAndTorqueUserobject for masking/pinning grains and making forces and torques acting on that grain zero
• PFCElementEnergyIntegral
• PolycrystalCirclesPolycrystal circles generated from a vector input or read from a file
• PolycrystalEBSDObject for setting up a polycrystal structure from an EBSD Datafile
• PolycrystalHexPerturbed hexagonal polycrystal
• PolycrystalVoronoiRandom Voronoi tesselation polycrystal (used by PolycrystalVoronoiAction)
• RandomEulerAngleProviderAssign random euler angles for each grain.
• SolutionRasterizerProcess an XYZ file of atomic coordinates and filter atoms via threshold or map variable values.
• Misc App
• InternalVolumeComputes the volume of an enclosed area by performing an integral over a user-supplied boundary.
• RigidBodyModes3D
• Functional Expansion Tools App
• FXBoundaryFluxUserObjectGenerates an Functional Expansion representation for a boundary flux condition using a 'FunctionSeries'-type Function
• FXBoundaryValueUserObjectGenerates an Functional Expansion representation for a boundary value condition using a 'FunctionSeries'-type Function
• FXVolumeUserObjectGenerates an Functional Expansion representation of a variable value over a volume using a 'FunctionSeries'-type Function
• Level Set App
• LevelSetCFLConditionCompute the minimum timestep from the Courant-Friedrichs-Lewy (CFL) condition for the level-set equation.
• LevelSetOlssonTerminatorTool for terminating the reinitialization of the level set equation based on the criteria defined by Olsson et. al. (2007).
• LevelSetVolumeCompute the area or volume of the region inside or outside of a level set contour.
• Richards App
• Q2PPiecewiseLinearSinkFluxRecords the fluid flow into a sink (positive values indicate fluid is flowing from porespace into the sink).
• Q2PRelPermPowerGasPower form of relative permeability that might be useful for gases as a function of water saturation in Q2P models. Define s = seff/(1 - simm). Then relperm = 1 - (n+1)sn + ns(n+1) if seff<1-simm, otherwise relperm=1. Here seff is the water saturation
• RichardsDensityConstBulkFluid density assuming constant bulk modulus. dens0 * Exp(pressure/bulk)
• RichardsDensityConstBulkCutFluid density assuming constant bulk modulus. dens0 * Exp(pressure/bulk)
• RichardsDensityIdealFluid density of ideal gas. Density = slope*(p - p0)
• RichardsDensityMethane20degCMethane density (kg/m^3) at 20degC. Pressure is assumed to be measured in Pascals. NOTE: this expression is only valid to about P=20MPa. Use van der Waals (RichardsDensityVDW) for higher pressures.
• RichardsDensityVDWDensity of van der Waals gas.
• RichardsExcavFlowRecords total flow INTO an excavation (if quantity is positive then flow has occured from rock into excavation void)
• RichardsHalfGaussianSinkFlux
• RichardsMassReturns the mass in a region.
• RichardsPiecewiseLinearSinkFluxRecords the fluid flow into a sink (positive values indicate fluid is flowing from porespace into the sink).
• RichardsPlotQuantity
• RichardsRelPermBWBroadbridge-White form of relative permeability. Define s = (seff - Sn)/(Ss - Sn). Then relperm = Kn + s^2(c-1)(Kn-Ks)/(c-s) if 00, otherwise relperm = Ks if s>1.
• RichardsRelPermMonomialMonomial form of relative permeability. Define s = (seff - simm)/(1 - simm). Then relperm = s^n if s
• RichardsRelPermPowerPower form of relative permeability. Define s = (seff - simm)/(1 - simm). Then relperm = (n+1)sn - ns(n+1) if s
• RichardsRelPermPowerGasPower form of relative permeability that might be useful for gases. Define s = (seff - simm)/(1 - simm). Then relperm = 1 - (n+1)(1-s)^n + n(1-s)^(n+1) if s
• RichardsRelPermVGVG form of relative permeability. Define s = (seff - simm)/(1 - simm). Then relperm = s(1/2) * (1 - (1 - s(1/m))^m)^2, if s>0, and relperm=0 otherwise
• RichardsRelPermVG1VG1 form of relative permeability. Define s = (seff - simm)/(1 - simm). Then relperm = s(1/2) * (1 - (1 - s(1/m))^m)^2, if s>0, and relperm=0 otherwise
• RichardsSUPGnoneUser object for no SUPG
• RichardsSUPGstandardStandard SUPG relationships for Richards flow based on Appendix A of TJR Hughes, M Mallet and A Mizukami A new finite element formulation for computational fluid dynamics:: II. Behond SUPG'' Computer Methods in Applied Mechanics and Engineering 54 (1986) 341–355
• RichardsSatUser object yielding saturation for a phase as a function of effective saturation of that phase
• RichardsSeff1BWsmallBroadbridge-white form of effective saturation for negligable Kn. Then porepressure = -las*( (1-th)/th - (1/c)Ln((C-th)/((C-1)th))), for th = (Seff - Sn)/(Ss - Sn). A Lambert-W function must be evaluated to express Seff in terms of porepressure, which can be expensive
• RichardsSeff1RSCRogers-Stallybrass-Clements version of effective saturation for the water phase, valid for residual saturations = 0, and viscosityOil = 2viscosityWater. seff_water = 1/Sqrt(1 + Exp((Pc - shift)/scale)), where scale = 0.25scale_ratio*oil_viscosity. Note that this effective saturation is mostly useful for 2-phase, not single-phase.
• RichardsSeff1VGvan-Genuchten effective saturation as a function of pressure suitable for use in single-phase simulations.. seff = (1 + (-al*p)^(1/(1-m)))^(-m)
• RichardsSeff1VGcutcut van-Genuchten effective saturation as a function of capillary pressure. Single-phase seff = (1 + (-al*p)^(1/(1-m)))^(-m) for p>p_cut, otherwise user a a linear relationship that is chosen so the value and derivative match van-Genuchten at p=p_cut.
• RichardsSeff2gasRSCRogers-Stallybrass-Clements version of effective saturation for the oil (gas) phase, valid for residual saturations = 0, and viscosityOil = 2viscosityWater. seff_gas = 1 - 1/Sqrt(1 + Exp((Pc - shift)/scale)), where scale = 0.25scale_ratio*oil_viscosity
• RichardsSeff2gasVGvan-Genuchten effective saturation as a function of (Pwater, Pgas) suitable for use for the gas phase in two-phase simulations. With Pc=Pgas-Pwater, seff = 1 - (1 + (al*pc)^(1/(1-m)))^(-m)
• RichardsSeff2gasVGshiftedShifted van-Genuchten effective saturation as a function of (Pwater, Pgas) suitable for use for the gas phase in two-phase simulations. seff = (1 + (-al*(P0-p1-shift))^(1/(1-m)))^(-m), then scaled so it runs between 0 and 1.
• RichardsSeff2waterRSCRogers-Stallybrass-Clements version of effective saturation for the water phase, valid for residual saturations = 0, and viscosityOil = 2viscosityWater. seff_water = 1/Sqrt(1 + Exp(Pc - shift)/scale)), where scale = 0.25scale_ratio*oil_viscosity
• RichardsSeff2waterVGvan-Genuchten effective saturation as a function of (Pwater, Pgas) suitable for use for the water phase in two-phase simulations. With Pc=Pgas-Pwater, seff = (1 + (al*pc)^(1/(1-m)))^(-m)
• RichardsSeff2waterVGshiftedShifted van-Genuchten effective saturation as a function of (Pwater, Pgas) suitable for use for the water phase in two-phase simulations. seff = (1 + (-al*(P0-p1-shift))^(1/(1-m)))^(-m), then scaled so it runs between 0 and 1.
• RichardsSumQuantity
• RichardsVarNamesHolds information on the porepressure variable names
• XFEMApp
• CircleCutUserObjectCreates a UserObject for circular cuts on 3D meshes for XFEM
• EllipseCutUserObjectCreates a UserObject for elliptical cuts on 3D meshes for XFEM
• LevelSetCutUserObjectXFEM mesh cut by level set function
• LineSegmentCutSetUserObjectCreates a UserObject for a line segment cut on 2D meshes for XFEM
• LineSegmentCutUserObjectCreates a UserObject for a line segment cut on 2D meshes for XFEM
• MeshCut3DUserObjectCreates a UserObject for a mesh cutter in 3D problems
• MovingLineSegmentCutSetUserObjectCreates a UserObject for a moving line segment cut on 2D meshes for XFEM
• PointValueAtXFEMInterfaceObtain field values and gradients on the interface.
• RectangleCutUserObjectCreates a UserObject for planar cuts on 3D meshes for XFEM
• XFEMMaterialTensorMarkerUserObject
• XFEMPhaseTransitionMovingInterfaceVelocitycalculate the interface velocity for a simple phase transition problem.
• XFEMRankTwoTensorMarkerUserObjectMark elements to be cut by XFEM based on a scalar extracted from a RankTwoTensor
• Contact App
• NodalArea
• Heat Conduction App
• HomogenizedThermalConductivity
• ThermalConductivityComputes the average value of a variable on a sideset. Note that this cannot be used on the centerline of an axisymmetric model.
• Solid Mechanics App
• HomogenizedElasticConstants
• InteractionIntegralSM
• MaterialTensorIntegralSM
• Tensor Mechanics App
• CavityPressurePostprocessorInterfaces with the CavityPressureUserObject to store the initial number of moles of a gas contained within an internal volume.
• CavityPressureUserObjectUses the ideal gas law to compute internal pressure and an initial moles of gas quantity.
• CrackFrontData
• CrackFrontDefinition
• CrystalPlasticitySlipRateGSSPhenomenological constitutive model slip rate class. Override the virtual functions in your class
• CrystalPlasticitySlipResistanceGSSPhenomenological constitutive models' slip resistance base class. Override the virtual functions in your class
• CrystalPlasticityStateVarRateComponentGSSPhenomenological constitutive model state variable evolution rate component base class. Override the virtual functions in your class
• CrystalPlasticityStateVarRateComponentVocePhenomenological Voce constitutive model state variable evolution rate component base class.
• CrystalPlasticityStateVariableCrystal plasticity state variable class. Override the virtual functions in your class
• ElementPropertyReadFileUser Object to read property data from an external file and assign to elements: Works only for Rectangular geometry (2D-3D)
• EulerAngleFileReaderRead Euler angle data from a file and provide it to other objects.
• GeneralizedPlaneStrainUserObjectGeneralized plane strain UserObject to provide residual and diagonal jacobian entries.
• GlobalStrainUserObjectGlobal Strain UserObject to provide Residual and diagonal Jacobian entry
• HEVPEqvPlasticStrainUser Object to integrate equivalent plastic strain
• HEVPEqvPlasticStrainRateUser Object computing equivalent plastic strain rate
• HEVPFlowRatePowerLawJ2User object to evaluate power law flow rate and flow direction based on J2
• HEVPLinearHardeningUser Object for linear hardening
• HEVPRambergOsgoodHardeningUser object for Ramberg-Osgood hardening power law hardening
• InteractionIntegralComputes the interaction integral for fracture
• JIntegralCalculates the J-integral at a specified point along the crack front
• LinearViscoelasticityManagerManages the updating of the semi-implicit single-step first-order finite difference time-stepping scheme
• Mass
• MaterialTensorIntegralThis postprocessor computes an element integral of a component of a material tensor as specified by the user-supplied indices
• MaterialTimeStepPostprocessorThis postprocessor estimates a timestep that reduces the increment change in a material property below a given threshold.
• MixedModeEquivalentKComputes the mixed-mode stress intensity factor given the , , and stress intensity factors
• TensorMechanicsHardeningConstantNo hardening - the parameter is independent of the internal parameter(s)
• TensorMechanicsHardeningCubicHardening is Cubic
• TensorMechanicsHardeningCutExponentialHardening is Cut-exponential
• TensorMechanicsHardeningExponentialHardening is Exponential
• TensorMechanicsHardeningGaussianHardening is Gaussian
• TensorMechanicsHardeningPowerRuleHardening defined by power rule
• TensorMechanicsPlasticDruckerPragerNon-associative Drucker Prager plasticity with no smoothing of the cone tip.
• TensorMechanicsPlasticDruckerPragerHyperbolicNon-associative Drucker Prager plasticity with hyperbolic smoothing of the cone tip.
• TensorMechanicsPlasticIsotropicSDIsotropicSD plasticity for pressure sensitive materials and also models the strength differential effect
• TensorMechanicsPlasticJ2J2 plasticity, associative, with hardening
• TensorMechanicsPlasticMeanCapClass that limits the mean stress. Yield function = a*mean_stress - strength. mean_stress = (stress_xx + stress_yy + stress_zz)/3
• TensorMechanicsPlasticMeanCapTCAssociative mean-cap tensile and compressive plasticity with hardening/softening
• TensorMechanicsPlasticMohrCoulombNon-associative Mohr-Coulomb plasticity with hardening/softening
• TensorMechanicsPlasticMohrCoulombMultiNon-associative Mohr-Coulomb plasticity with hardening/softening
• TensorMechanicsPlasticOrthotropicOrthotropic plasticity for pressure sensitive materials and also models the strength differential effect
• TensorMechanicsPlasticSimpleTesterClass that can be used for testing multi-surface plasticity models. Yield function = a*stress_yy + b*stress_zz + c*stress_xx + d*(stress_xy + stress_yx)/2 + e*(stress_xz + stress_zx)/2 + f*(stress_yz + stress_zy)/2 - strength
• TensorMechanicsPlasticTensileAssociative tensile plasticity with hardening/softening, and tensile_strength = 1
• TensorMechanicsPlasticTensileMultiAssociative tensile plasticity with hardening/softening
• TensorMechanicsPlasticWeakPlaneShearNon-associative finite-strain weak-plane shear perfect plasticity. Here cohesion = 1, tan(phi) = 1 = tan(psi)
• TensorMechanicsPlasticWeakPlaneTensileAssociative weak-plane tensile plasticity with hardening/softening
• TensorMechanicsPlasticWeakPlaneTensileNAssociative weak-plane tensile plasticity with hardening/softening, with specified, fixed normal vector. (WeakPlaneTensile combined with specifying N in the Material might be preferable to you.)
• TorqueReactionTorqueReaction calculates the torque in 2D and 3Dabout a user-specified axis of rotation centeredat a user-specied origin.
• XFEMTest App
• TestCrackCounterTest postprocessor for extracting the crack_tip_origin_direction_map from XFEM.
• Navier Stokes App
• INSExplicitTimestepSelectorPostprocessor that computes the minimum value of h_min/|u|, where |u| is coupled in as an aux variable.
• NSEntropyErrorComputes entropy error.
• VolumetricFlowRateComputes the volumetric flow rate through a boundary.
• Tensor Mechanics Test App
• TestSubblockIndexProvider
• Chemical Reactions App
• TotalMineralVolumeFractionTotal volume fraction of coupled mineral species
• Porous Flow App
• AdvectiveFluxCalculatorConstantVelocityCompute K_ij (a measure of advective flux from node i to node j) and R+ and R- (which quantify amount of antidiffusion to add) in the Kuzmin-Turek FEM-TVD multidimensional scheme. Constant advective velocity is assumed
• PorousFlowAdvectiveFluxCalculatorSaturatedComputes the advective flux of fluid of given phase, assuming fully-saturated conditions. Hence this UserObject is only relevant to single-phase situations. Explicitly, the UserObject computes (density / viscosity) * (- permeability * (grad(P) - density * gravity)), using the Kuzmin-Turek FEM-TVD multidimensional stabilization scheme
• PorousFlowAdvectiveFluxCalculatorSaturatedHeatComputes the advective flux of heat energy in the given phase, assuming fully-saturated conditions. Hence this UserObject is only relevant to single-phase situations. Explicitly, the UserObject computes (density * enthalpy / viscosity) * (- permeability * (grad(P) - density * gravity)), using the Kuzmin-Turek FEM-TVD multidimensional stabilization scheme
• PorousFlowAdvectiveFluxCalculatorSaturatedMultiComponentComputes the advective flux of fluid of given phase and fluid component. Explicitly, the UserObject computes (mass_fraction * density / viscosity) * (- permeability * (grad(P) - density * gravity)), using the Kuzmin-Turek FEM-TVD multidimensional stabilization scheme
• PorousFlowAdvectiveFluxCalculatorUnsaturatedComputes the advective flux of fluid of given phase, assuming unsaturated conditions. Hence this UserObject is only relevant to single-phase situations, or multi-phase situations where each fluid component appears in one phase only. Explicitly, the UserObject computes (density * relative_permeability / viscosity) * (- permeability * (grad(P) - density * gravity)), using the Kuzmin-Turek FEM-TVD multidimensional stabilization scheme
• PorousFlowAdvectiveFluxCalculatorUnsaturatedHeatComputes the advective flux of heat energy in a given phase, assuming unsaturated conditions. Hence this UserObject is only relevant to single-phase situations, or multi-phase situations where each fluid component appears in one phase only. Explicitly, the UserObject computes (density * enthalpy * relative_permeability / viscosity) * (- permeability * (grad(P) - density * gravity)), using the Kuzmin-Turek FEM-TVD multidimensional stabilization scheme
• PorousFlowAdvectiveFluxCalculatorUnsaturatedMultiComponentComputes the advective flux of fluid of given phase and component. Hence this UserObject is relevant to multi-phase, multi-component situations. Explicitly, the UserObject computes (mass_fraction * density * relative_permeability / viscosity) * (- permeability * (grad(P) - density * gravity)), using the Kuzmin-Turek FEM-TVD multidimensional stabilization scheme
• PorousFlowBrineCO2Fluid state class for brine and CO2
• PorousFlowCapillaryPressureBCBrooks-Corey capillary pressure
• PorousFlowCapillaryPressureBWBroadbridge and White capillary pressure for negligable Kn
• PorousFlowCapillaryPressureConstConstant capillary pressure
• PorousFlowCapillaryPressureRSCRogers-Stallybrass-Clements version of effective saturation for the water phase, valid for residual saturations = 0, and viscosityOil = 2 * viscosityWater. seff_water = 1 / sqrt(1 + exp((Pc - shift) / scale)), where scale = 0.25 * scale_ratio * oil_viscosity.
• PorousFlowCapillaryPressureVGvan Genuchten capillary pressure
• PorousFlowDictatorHolds information on the PorousFlow variable names
• PorousFlowFluidMassCalculates the mass of a fluid component in a region
• PorousFlowFluidStateFlashCompositional flash calculations for use in fluid state classes
• PorousFlowHeatEnergyCalculates the sum of heat energy of fluid phase(s) and/or the porous skeleton in a region
• PorousFlowPlotQuantityExtracts the value from the PorousFlowSumQuantity UserObject
• PorousFlowSumQuantityRecords total mass flowing into a borehole
• PorousFlowWaterNCGFluid state class for water and non-condensable gas