RNGkEpsilon Class Reference

Renormalisation group k-epsilon turbulence model for compressible flows. More...

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List of all members.

Public Member Functions
	TypeName ("RNGkEpsilon")
	Runtime type information.
	RNGkEpsilon (const volScalarField &rho, const volVectorField &U, const surfaceScalarField &phi, const basicThermo &thermophysicalModel)
	Construct from components.
virtual	~RNGkEpsilon ()
	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 effective stress tensor including the laminar stress.
virtual void	correct ()
	Solve the turbulence equations and correct the turbulence viscosity.
virtual bool	read ()
	Read RASProperties dictionary.

---

Detailed Description

Renormalisation group k-epsilon turbulence model for compressible flows.

The default model coefficients correspond to the following:

    RNGkEpsilonCoeffs
    {
        Cmu         0.0845;
        C1          1.42;
        C2          1.68;
        C3          -0.33;  // only for compressible
        Prt         1.0;    // only for compressible
        sigmak      0.71942;
        sigmaEps    0.71942;
        eta0        4.38;
        beta        0.012;
    }

Source files

• RNGkEpsilon.H
• RNGkEpsilon.C
• RNGkEpsilonCorrect.C

Definition at line 65 of file RNGkEpsilon.H.

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Constructor & Destructor Documentation

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

Construct from components.

Definition at line 40 of file RNGkEpsilon.C.

References RASModel::epsilonSmall_, and turbulenceModel::rho_.

virtual ~RNGkEpsilon

(

)

[inline, virtual]

Destructor.

Definition at line 109 of file RNGkEpsilon.H.

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Member Function Documentation

TypeName

(

"RNGkEpsilon"

)

Runtime type information.

tmp<volScalarField> DkEff

(

)

const [inline]

Return the effective diffusivity for k.

Definition at line 116 of file RNGkEpsilon.H.

tmp<volScalarField> DepsilonEff

(

)

const [inline]

Return the effective diffusivity for epsilon.

Definition at line 125 of file RNGkEpsilon.H.

virtual tmp<volScalarField> mut

(

)

const [inline, virtual]

Return the turbulence viscosity.

Implements RASModel.

Definition at line 134 of file RNGkEpsilon.H.

Referenced by RNGkEpsilon::alphaEff().

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virtual tmp<volScalarField> alphaEff

(

)

const [inline, virtual]

Return the effective turbulent thermal diffusivity.

Implements RASModel.

Definition at line 140 of file RNGkEpsilon.H.

References RNGkEpsilon::mut().

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virtual tmp<volScalarField> k

(

)

const [inline, virtual]

Return the turbulence kinetic energy.

Implements RASModel.

Definition at line 149 of file RNGkEpsilon.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 155 of file RNGkEpsilon.H.

tmp< volSymmTensorField > R

(

)

const [virtual]

Return the Reynolds stress tensor.

Implements RASModel.

Definition at line 192 of file RNGkEpsilon.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 213 of file RNGkEpsilon.C.

tmp< fvVectorMatrix > divDevRhoReff

(

volVectorField &

U

)

const [virtual]

Return the effective stress tensor including the laminar stress.

Implements RASModel.

Definition at line 233 of file RNGkEpsilon.C.

void correct

(

)

[virtual]

Solve the turbulence equations and correct the turbulence viscosity.

Implements RASModel.

Definition at line 265 of file RNGkEpsilon.C.

bool read

(

)

[virtual]

Read RASProperties dictionary.

Implements RASModel.

Definition at line 242 of file RNGkEpsilon.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/RNGkEpsilon/RNGkEpsilon.H
• src/turbulenceModels/compressible/RAS/RNGkEpsilon/RNGkEpsilon.C