Launder and Sharma low-Reynolds k-epsilon turbulence model for incompressible and compressible and combusting flows including rapid distortion theory (RDT) based compression term. More...

Inheritance diagram for LaunderSharmaKE< BasicTurbulenceModel >:

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Collaboration diagram for LaunderSharmaKE< BasicTurbulenceModel >:

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Public Types
typedef BasicTurbulenceModel::alphaField	alphaField

typedef BasicTurbulenceModel::rhoField	rhoField

typedef BasicTurbulenceModel::transportModel	transportModel

Public Types inherited from eddyViscosity< RASModel< BasicTurbulenceModel > >
typedef RASModel< BasicTurbulenceModel >::alphaField	alphaField

typedef RASModel< BasicTurbulenceModel >::rhoField	rhoField

typedef RASModel< BasicTurbulenceModel >::transportModel	transportModel

Public Types inherited from linearViscousStress< RASModel< BasicTurbulenceModel > >
typedef RASModel< BasicTurbulenceModel >::alphaField	alphaField

typedef RASModel< BasicTurbulenceModel >::rhoField	rhoField

typedef RASModel< BasicTurbulenceModel >::transportModel	transportModel

Public Types inherited from RASModel< BasicTurbulenceModel >
typedef BasicTurbulenceModel::alphaField	alphaField

typedef BasicTurbulenceModel::rhoField	rhoField

typedef BasicTurbulenceModel::transportModel	transportModel

Public Member Functions
	TypeName ("LaunderSharmaKE")
	Runtime type information. More...

	LaunderSharmaKE (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. More...

virtual	~LaunderSharmaKE ()
	Destructor. More...

virtual bool	read ()
	Re-read model coefficients if they have changed. More...

tmp< volScalarField >	DkEff () const
	Return the effective diffusivity for k. More...

tmp< volScalarField >	DepsilonEff () const
	Return the effective diffusivity for epsilon. More...

virtual tmp< volScalarField >	k () const
	Return the turbulence kinetic energy. More...

virtual tmp< volScalarField >	epsilon () const
	Return the turbulence kinetic energy dissipation rate. More...

virtual void	correct ()
	Solve the turbulence equations and correct the turbulence viscosity. More...

Public Member Functions inherited from eddyViscosity< RASModel< BasicTurbulenceModel > >
	eddyViscosity (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. More...

virtual	~eddyViscosity ()
	Destructor. More...

volScalarField &	evNut ()
	Return non-const access to the turbulence viscosity. More...

virtual tmp< volScalarField >	nut () const
	Return the turbulence viscosity. More...

virtual tmp< scalarField >	nut (const label patchi) const
	Return the turbulence viscosity on patch. More...

virtual tmp< volSymmTensorField >	R () const
	Return the Reynolds stress tensor. More...

virtual void	validate ()
	Validate the turbulence fields after construction. More...

Public Member Functions inherited from linearViscousStress< RASModel< BasicTurbulenceModel > >
	linearViscousStress (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. More...

virtual	~linearViscousStress ()
	Destructor. More...

virtual tmp< volSymmTensorField >	devRhoReff () const
	Return the effective stress tensor. More...

virtual tmp< fvVectorMatrix >	divDevRhoReff (volVectorField &U) const
	Return the source term for the momentum equation. More...

virtual tmp< fvVectorMatrix >	divDevRhoReff (const volScalarField &rho, volVectorField &U) const
	Return the source term for the momentum equation. More...

Public Member Functions inherited from RASModel< BasicTurbulenceModel >
	TypeName ("RAS")
	Runtime type information. More...

	declareRunTimeSelectionTable (autoPtr, RASModel, dictionary,(const alphaField &alpha, const rhoField &rho, const volVectorField &U, const surfaceScalarField &alphaRhoPhi, const surfaceScalarField &phi, const transportModel &transport, const word &propertiesName),(alpha, rho, U, alphaRhoPhi, phi, transport, propertiesName))

	RASModel (const word &type, const alphaField &alpha, const rhoField &rho, const volVectorField &U, const surfaceScalarField &alphaRhoPhi, const surfaceScalarField &phi, const transportModel &transport, const word &propertiesName)
	Construct from components. More...

virtual	~RASModel ()
	Destructor. More...

const dimensionedScalar &	kMin () const
	Return the lower allowable limit for k (default: SMALL) More...

const dimensionedScalar &	epsilonMin () const
	Return the lower allowable limit for epsilon (default: SMALL) More...

const dimensionedScalar &	omegaMin () const
	Return the lower allowable limit for omega (default: SMALL) More...

dimensionedScalar &	kMin ()
	Allow kMin to be changed. More...

dimensionedScalar &	epsilonMin ()
	Allow epsilonMin to be changed. More...

dimensionedScalar &	omegaMin ()
	Allow omegaMin to be changed. More...

virtual const dictionary &	coeffDict () const
	Const access to the coefficients dictionary. More...

virtual tmp< volScalarField >	nuEff () const
	Return the effective viscosity. More...

virtual tmp< scalarField >	nuEff (const label patchi) const
	Return the effective viscosity on patch. More...

Protected Member Functions
tmp< volScalarField >	fMu () const

tmp< volScalarField >	f2 () const

virtual void	correctNut ()

virtual tmp< fvScalarMatrix >	kSource () const

virtual tmp< fvScalarMatrix >	epsilonSource () const

Protected Member Functions inherited from RASModel< BasicTurbulenceModel >
virtual void	printCoeffs (const word &type)
	Print model coefficients. More...

Protected Attributes
dimensionedScalar	Cmu_

dimensionedScalar	C1_

dimensionedScalar	C2_

dimensionedScalar	C3_

dimensionedScalar	sigmak_

dimensionedScalar	sigmaEps_

volScalarField	k_

volScalarField	epsilon_

Protected Attributes inherited from eddyViscosity< RASModel< BasicTurbulenceModel > >
volScalarField	nut_

Protected Attributes inherited from RASModel< BasicTurbulenceModel >
dictionary	RASDict_
	RAS coefficients dictionary. More...

Switch	turbulence_
	Turbulence on/off flag. More...

Switch	printCoeffs_
	Flag to print the model coeffs at run-time. More...

dictionary	coeffDict_
	Model coefficients dictionary. More...

dimensionedScalar	kMin_
	Lower limit of k. More...

dimensionedScalar	epsilonMin_
	Lower limit of epsilon. More...

dimensionedScalar	omegaMin_
	Lower limit for omega. More...

Additional Inherited Members
Static Public Member Functions inherited from RASModel< BasicTurbulenceModel >
static autoPtr< RASModel >	New (const alphaField &alpha, const rhoField &rho, const volVectorField &U, const surfaceScalarField &alphaRhoPhi, const surfaceScalarField &phi, const transportModel &transport, const word &propertiesName=turbulenceModel::propertiesName)
	Return a reference to the selected RAS model. More...

Detailed Description

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

Launder and Sharma low-Reynolds k-epsilon turbulence model for incompressible and compressible and combusting flows including rapid distortion theory (RDT) based compression term.

References:

    Launder, B. E., & Sharma, B. I. (1974).
    Application of the energy-dissipation model of turbulence to the
    calculation of flow near a spinning disc.
    Letters in heat and mass transfer, 1(2), 131-137.

    For the RDT-based compression term:
    El Tahry, S. H. (1983).
    k-epsilon equation for compressible reciprocating engine flows.
    Journal of Energy, 7(4), 345-353.

The default model coefficients are

    LaunderSharmaKECoeffs
    {
        Cmu         0.09;
        C1          1.44;
        C2          1.92;
        C3          -0.33;
        alphah      1.0;    // only for compressible
        alphahk     1.0;    // only for compressible
        alphaEps    0.76923;
    }

Source files

Definition at line 84 of file LaunderSharmaKE.H.

Member Typedef Documentation

typedef BasicTurbulenceModel::alphaField alphaField

Definition at line 127 of file LaunderSharmaKE.H.

typedef BasicTurbulenceModel::rhoField rhoField

Definition at line 128 of file LaunderSharmaKE.H.

typedef BasicTurbulenceModel::transportModel transportModel

Definition at line 129 of file LaunderSharmaKE.H.

Constructor & Destructor Documentation

LaunderSharmaKE	(	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`
	)