realizableKE Class Reference

Realizable k-epsilon turbulence model for compressible flows. More...

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List of all members.

Public Member Functions
	TypeName ("realizableKE")
	Runtime type information.
	realizableKE (const volScalarField &rho, const volVectorField &U, const surfaceScalarField &phi, const basicThermo &thermophysicalModel)
	Construct from components.
virtual	~realizableKE ()
	Destructor.
tmp< volScalarField >	DkEff () const
	Return the effective diffusivity for k.
tmp< volScalarField >	DepsilonEff () const
	Return the effective diffusivity for epsilon.
virtual tmp< volScalarField >	mut () const
	Return the turbulence viscosity.
virtual tmp< volScalarField >	alphaEff () const
	Return the effective turbulent thermal diffusivity.
virtual tmp< volScalarField >	k () const
	Return the turbulence kinetic energy.
virtual tmp< volScalarField >	epsilon () const
	Return the turbulence kinetic energy dissipation rate.
virtual tmp< volSymmTensorField >	R () const
	Return the Reynolds stress tensor.
virtual tmp< volSymmTensorField >	devRhoReff () const
	Return the effective stress tensor including the laminar stress.
virtual tmp< fvVectorMatrix >	divDevRhoReff (volVectorField &U) const
	Return the source term for the momentum equation.
virtual void	correct ()
	Solve the turbulence equations and correct the turbulence viscosity.
virtual bool	read ()
	Read RASProperties dictionary.

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Detailed Description

Realizable k-epsilon turbulence model for compressible flows.

Model described in the paper:

    "A New k-epsilon Eddy Viscosity Model for High Reynolds Number
    Turbulent Flows"

    Tsan-Hsing Shih, William W. Liou, Aamir Shabbir, Zhigang Tang and
    Jiang Zhu

    Computers and Fluids Vol. 24, No. 3, pp. 227-238, 1995

The default model coefficients correspond to the following:

    realizableKECoeffs
    {
        Cmu         0.09;
        A0          4.0;
        C2          1.9;
        sigmak      1.0;
        sigmaEps    1.2;
        Prt         1.0;    // only for compressible
    }

Source files

• realizableKE.H
• realizableKE.C

Definition at line 72 of file realizableKE.H.

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Constructor & Destructor Documentation

realizableKE	(	const volScalarField &	rho,
		const volVectorField &	U,
		const surfaceScalarField &	phi,
		const basicThermo &	thermophysicalModel
	)

Construct from components.

Definition at line 81 of file realizableKE.C.

virtual ~realizableKE

(

)

[inline, virtual]

Destructor.

Definition at line 126 of file realizableKE.H.

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Member Function Documentation

TypeName

(

"realizableKE"

)

Runtime type information.

tmp<volScalarField> DkEff

(

)

const [inline]

Return the effective diffusivity for k.

Definition at line 133 of file realizableKE.H.

tmp<volScalarField> DepsilonEff

(

)

const [inline]

Return the effective diffusivity for epsilon.

Definition at line 142 of file realizableKE.H.

virtual tmp<volScalarField> mut

(

)

const [inline, virtual]

Return the turbulence viscosity.

Implements RASModel.

Definition at line 151 of file realizableKE.H.

Referenced by realizableKE::alphaEff().

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virtual tmp<volScalarField> alphaEff

(

)

const [inline, virtual]

Return the effective turbulent thermal diffusivity.

Implements RASModel.

Definition at line 157 of file realizableKE.H.

References realizableKE::mut().

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virtual tmp<volScalarField> k

(

)

const [inline, virtual]

Return the turbulence kinetic energy.

Implements RASModel.

Definition at line 166 of file realizableKE.H.

References turbulenceModel::alpha().

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virtual tmp<volScalarField> epsilon

(

)

const [inline, virtual]

Return the turbulence kinetic energy dissipation rate.

Implements RASModel.

Definition at line 172 of file realizableKE.H.

tmp< volSymmTensorField > R

(

)

const [virtual]

Return the Reynolds stress tensor.

Implements RASModel.

Definition at line 209 of file realizableKE.C.

References RASModel::printCoeffs().

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tmp< volSymmTensorField > devRhoReff

(

)

const [virtual]

Return the effective stress tensor including the laminar stress.

Implements RASModel.

Definition at line 230 of file realizableKE.C.

tmp< fvVectorMatrix > divDevRhoReff

(

volVectorField &

U

)

const [virtual]

Return the source term for the momentum equation.

Implements RASModel.

Definition at line 250 of file realizableKE.C.

void correct

(

)

[virtual]

Solve the turbulence equations and correct the turbulence viscosity.

Implements RASModel.

Definition at line 279 of file realizableKE.C.

bool read

(

)

[virtual]

Read RASProperties dictionary.

Implements RASModel.

Definition at line 259 of file realizableKE.C.

References Foam::dev2(), Foam::fvc::div(), Foam::fvc::grad(), Foam::fvm::laplacian(), muEff(), and Foam::T().

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

• src/turbulenceModels/compressible/RAS/realizableKE/realizableKE.H
• src/turbulenceModels/compressible/RAS/realizableKE/realizableKE.C