Launder, Reece and Rodi Reynolds-stress turbulence model for incompressible and compressible flows. More...

#include <LRR.H>

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Public Types
typedef BasicTurbulenceModel::alphaField	alphaField
typedef BasicTurbulenceModel::rhoField	rhoField
typedef BasicTurbulenceModel::transportModel	transportModel
Public Types inherited from ReynoldsStress< RASModel< BasicTurbulenceModel > >
typedef BasicTurbulenceModel::alphaField	alphaField
typedef BasicTurbulenceModel::rhoField	rhoField
typedef BasicTurbulenceModel::transportModel	transportModel

Public Member Functions
	TypeName ("LRR")
	Runtime type information.
	LRR (const alphaField &alpha, const rhoField &rho, const volVectorField &U, const surfaceScalarField &alphaRhoPhi, const surfaceScalarField &phi, const transportModel &transport, const word &propertiesName=turbulenceModel::propertiesName, const word &type=typeName)
	Construct from components.
virtual	~LRR ()=default
	Destructor.
virtual bool	read ()
	Read model coefficients if they have changed.
virtual tmp< volScalarField >	k () const
	Return the turbulence kinetic energy.
virtual tmp< volScalarField >	epsilon () const
	Return the turbulence kinetic energy dissipation rate.
tmp< volSymmTensorField >	DREff () const
	Return the effective diffusivity for R.
tmp< volSymmTensorField >	DepsilonEff () const
	Return the effective diffusivity for epsilon.
virtual void	correct ()
	Solve the turbulence equations and correct eddy-Viscosity and.
Public Member Functions inherited from ReynoldsStress< RASModel< BasicTurbulenceModel > >
Foam::tmp< Foam::fvVectorMatrix >	DivDevRhoReff (const RhoFieldType &rho, volVectorField &U) const
	ReynoldsStress (const word &modelName, const alphaField &alpha, const rhoField &rho, const volVectorField &U, const surfaceScalarField &alphaRhoPhi, const surfaceScalarField &phi, const transportModel &transport, const word &propertiesName)
	Construct from components.
virtual	~ReynoldsStress ()=default
	Destructor.
virtual tmp< volScalarField >	nut () const
	Return the turbulence viscosity.
virtual tmp< volSymmTensorField >	R () const
	Return the Reynolds stress tensor.
virtual tmp< volSymmTensorField >	devRhoReff () const
	Return the effective stress tensor.
virtual tmp< fvVectorMatrix >	divDevRhoReff (volVectorField &U) const
	Return the source term for the momentum equation.
virtual void	validate ()
	Validate the turbulence fields after construction.

Protected Member Functions
virtual void	correctNut ()
	Update the eddy-viscosity.
Protected Member Functions inherited from ReynoldsStress< RASModel< BasicTurbulenceModel > >
void	boundNormalStress (volSymmTensorField &R) const
void	correctWallShearStress (volSymmTensorField &R) const
void	checkRealizabilityConditions (const volSymmTensorField &R) const

Protected Attributes
dimensionedScalar	Cmu_
dimensionedScalar	C1_
dimensionedScalar	C2_
dimensionedScalar	Ceps1_
dimensionedScalar	Ceps2_
dimensionedScalar	Cs_
dimensionedScalar	Ceps_
Switch	wallReflection_
dimensionedScalar	kappa_
dimensionedScalar	Cref1_
dimensionedScalar	Cref2_
volScalarField	k_
volScalarField	epsilon_
Protected Attributes inherited from ReynoldsStress< RASModel< BasicTurbulenceModel > >
dimensionedScalar	couplingFactor_
volSymmTensorField	R_
volScalarField	nut_

Detailed Description

template<class BasicTurbulenceModel>
class Foam::RASModels::LRR< BasicTurbulenceModel >

Launder, Reece and Rodi Reynolds-stress turbulence model for incompressible and compressible flows.

Reference:

    Launder, B. E., Reece, G. J., & Rodi, W. (1975).
    Progress in the development of a Reynolds-stress turbulence closure.
    Journal of fluid mechanics, 68(03), 537-566.

Including the recommended generalized gradient diffusion model of Daly and Harlow:

    Daly, B. J., & Harlow, F. H. (1970).
    Transport equations in turbulence.
    Physics of Fluids (1958-1988), 13(11), 2634-2649.

Optional Gibson-Launder wall-reflection is also provided:

    Gibson, M. M., & Launder, B. E. (1978).
    Ground effects on pressure fluctuations in the
    atmospheric boundary layer.
    Journal of Fluid Mechanics, 86(03), 491-511.

The default model coefficients are:

    LRRCoeffs
    {
        Cmu             0.09;
        C1              1.8;
        C2              0.6;
        Ceps1           1.44;
        Ceps2           1.92;
        Cs              0.25;
        Ceps            0.15;

        wallReflection  yes;
        kappa           0.41
        Cref1           0.5;
        Cref2           0.3;

        couplingFactor  0.0;
    }

Source files

LRR.H
LRR.C

Definition at line 99 of file LRR.H.

Member Typedef Documentation

◆ alphaField

template<class BasicTurbulenceModel>

typedef BasicTurbulenceModel::alphaField alphaField

Definition at line 157 of file LRR.H.

◆ rhoField

template<class BasicTurbulenceModel>

typedef BasicTurbulenceModel::rhoField rhoField

Definition at line 158 of file LRR.H.

◆ transportModel

template<class BasicTurbulenceModel>

typedef BasicTurbulenceModel::transportModel transportModel

Definition at line 159 of file LRR.H.

Constructor & Destructor Documentation

◆ LRR()

template<class BasicTurbulenceModel>

LRR	(	const alphaField &	alpha,
		const rhoField &	rho,
		const volVectorField &	U,
		const surfaceScalarField &	alphaRhoPhi,
		const surfaceScalarField &	phi,
		const transportModel &	transport,
		const word &	propertiesName = turbulenceModel::propertiesName,
		const word &	type = typeName )

Construct from components.

Definition at line 49 of file LRR.C.

References alpha, Foam::bound(), ReynoldsStress< RASModel< BasicTurbulenceModel > >::boundNormalStress(), C1_, C2_, Ceps1_, Ceps2_, Ceps_, Cmu_, Cref1_, Cref2_, Cs_, epsilon_, Foam::GlobalIOList< Tuple2< scalar, vector > >::typeName, k_, kappa_, phi, ReynoldsStress< RASModel< BasicTurbulenceModel > >::R_, ReynoldsStress< RASModel< BasicTurbulenceModel > >::ReynoldsStress(), rho, timeName, Foam::tr(), U, and wallReflection_.

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◆ ~LRR()

template<class BasicTurbulenceModel>

virtual ~LRR ( )

virtualdefault

Destructor.

Member Function Documentation

◆ correctNut()

template<class BasicTurbulenceModel>

void correctNut ( )

protectedvirtual

Update the eddy-viscosity.

Implements ReynoldsStress< RASModel< BasicTurbulenceModel > >.

Definition at line 36 of file LRR.C.

References Cmu_, optionList::correct(), epsilon_, k_, options::New(), ReynoldsStress< RASModel< BasicTurbulenceModel > >::nut_, and Foam::sqr().

Referenced by correct().

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◆ TypeName()

template<class BasicTurbulenceModel>

TypeName ( "LRR< BasicTurbulenceModel >" )

Runtime type information.

◆ read()

template<class BasicTurbulenceModel>

bool read ( )

virtual

Read model coefficients if they have changed.

Implements ReynoldsStress< RASModel< BasicTurbulenceModel > >.

Definition at line 213 of file LRR.C.

References C1_, C2_, Ceps1_, Ceps2_, Ceps_, Cmu_, Cref1_, Cref2_, Cs_, kappa_, read(), ReynoldsStress< RASModel< BasicTurbulenceModel > >::ReynoldsStress(), and wallReflection_.

Referenced by read().

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◆ k()

template<class BasicTurbulenceModel>

virtual tmp< volScalarField > k ( ) const

inlinevirtual

Return the turbulence kinetic energy.

Reimplemented from ReynoldsStress< RASModel< BasicTurbulenceModel > >.

Definition at line 202 of file LRR.H.

◆ epsilon()

template<class BasicTurbulenceModel>

virtual tmp< volScalarField > epsilon ( ) const

inlinevirtual

Return the turbulence kinetic energy dissipation rate.

Definition at line 210 of file LRR.H.

◆ DREff()

template<class BasicTurbulenceModel>

tmp< volSymmTensorField > DREff ( ) const

Return the effective diffusivity for R.

Definition at line 238 of file LRR.C.

References Cs_, epsilon_, Foam::I, k_, nu, and ReynoldsStress< RASModel< BasicTurbulenceModel > >::R_.

Referenced by correct().

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◆ DepsilonEff()

template<class BasicTurbulenceModel>

tmp< volSymmTensorField > DepsilonEff ( ) const

Return the effective diffusivity for epsilon.

Definition at line 252 of file LRR.C.

References Ceps_, epsilon_, Foam::I, k_, nu, and ReynoldsStress< RASModel< BasicTurbulenceModel > >::R_.

Referenced by correct().

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◆ correct()

template<class BasicTurbulenceModel>

void correct ( )

virtual

Solve the turbulence equations and correct eddy-Viscosity and.

related properties

Implements ReynoldsStress< RASModel< BasicTurbulenceModel > >.

Definition at line 266 of file LRR.C.

References alpha, Foam::bound(), ReynoldsStress< RASModel< BasicTurbulenceModel > >::boundNormalStress(), C1_, C2_, Ceps1_, Ceps2_, Cmu_, correct(), correctNut(), ReynoldsStress< RASModel< BasicTurbulenceModel > >::correctWallShearStress(), Cref1_, Cref2_, Foam::fvm::ddt(), DepsilonEff(), Foam::dev(), Foam::devSymm(), Foam::fvm::div(), DREff(), epsilon_, fvPatch::faceCells(), forAll, fvOptions, Foam::fvc::grad(), Foam::I, Foam::isA(), k_, kappa_, Foam::fvm::laplacian(), Foam::mag(), Foam::min(), n, options::New(), MeshObject< fvMesh, UpdateableMeshObject, wallDist >::New(), patches, Foam::pow(), ReynoldsStress< RASModel< BasicTurbulenceModel > >::R(), ReynoldsStress< RASModel< BasicTurbulenceModel > >::R_, tmp< T >::ref(), ReynoldsStress< RASModel< BasicTurbulenceModel > >::ReynoldsStress(), rho, solve(), Foam::fvm::Sp(), Foam::sqrt(), Foam::tr(), Foam::twoSymm(), U, wallReflection_, and y.

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Member Data Documentation

◆ Cmu_

template<class BasicTurbulenceModel>

dimensionedScalar Cmu_

protected

Definition at line 122 of file LRR.H.

Referenced by correct(), correctNut(), LRR(), and read().

◆ C1_

template<class BasicTurbulenceModel>

dimensionedScalar C1_

protected

Definition at line 124 of file LRR.H.

Referenced by correct(), LRR(), and read().

◆ C2_

template<class BasicTurbulenceModel>

dimensionedScalar C2_

protected

Definition at line 125 of file LRR.H.

Referenced by correct(), LRR(), and read().

◆ Ceps1_

template<class BasicTurbulenceModel>

dimensionedScalar Ceps1_

protected

Definition at line 127 of file LRR.H.

Referenced by correct(), LRR(), and read().

◆ Ceps2_

template<class BasicTurbulenceModel>

dimensionedScalar Ceps2_

protected

Definition at line 128 of file LRR.H.

Referenced by correct(), LRR(), and read().

◆ Cs_

template<class BasicTurbulenceModel>

dimensionedScalar Cs_

protected

Definition at line 129 of file LRR.H.

Referenced by DREff(), LRR(), and read().

◆ Ceps_

template<class BasicTurbulenceModel>

dimensionedScalar Ceps_

protected

Definition at line 130 of file LRR.H.

Referenced by DepsilonEff(), LRR(), and read().

◆ wallReflection_

template<class BasicTurbulenceModel>

Switch wallReflection_

protected

Definition at line 135 of file LRR.H.

Referenced by correct(), LRR(), and read().

◆ kappa_

template<class BasicTurbulenceModel>

dimensionedScalar kappa_

protected

Definition at line 136 of file LRR.H.

Referenced by correct(), LRR(), and read().

◆ Cref1_

template<class BasicTurbulenceModel>

dimensionedScalar Cref1_

protected

Definition at line 137 of file LRR.H.

Referenced by correct(), LRR(), and read().

◆ Cref2_

template<class BasicTurbulenceModel>

dimensionedScalar Cref2_

protected

Definition at line 138 of file LRR.H.

Referenced by correct(), LRR(), and read().

◆ k_

template<class BasicTurbulenceModel>

volScalarField k_

protected

Definition at line 143 of file LRR.H.

Referenced by correct(), correctNut(), DepsilonEff(), DREff(), and LRR().

◆ epsilon_

template<class BasicTurbulenceModel>

volScalarField epsilon_

protected

Definition at line 144 of file LRR.H.

Referenced by correct(), correctNut(), DepsilonEff(), DREff(), and LRR().

The documentation for this class was generated from the following files:

src/TurbulenceModels/turbulenceModels/RAS/LRR/LRR.H
src/TurbulenceModels/turbulenceModels/RAS/LRR/LRR.C

Public Types

Public Member Functions

Protected Member Functions

Protected Attributes

Detailed Description

Member Typedef Documentation

◆ alphaField

◆ rhoField

◆ transportModel

Constructor & Destructor Documentation

◆ LRR()

◆ ~LRR()

Member Function Documentation

◆ correctNut()

◆ TypeName()

◆ read()

◆ k()

◆ epsilon()

◆ DREff()

◆ DepsilonEff()

◆ correct()

Member Data Documentation

◆ Cmu_

◆ C1_

◆ C2_

◆ Ceps1_

◆ Ceps2_

◆ Cs_

◆ Ceps_

◆ wallReflection_

◆ kappa_

◆ Cref1_

◆ Cref2_

◆ k_

◆ epsilon_