Standard k-epsilon turbulence model for incompressible and compressible flows including rapid distortion theory (RDT) based compression term. More...

Inheritance diagram for kEpsilon< BasicTurbulenceModel >:

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Collaboration diagram for kEpsilon< 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 BasicTurbulenceModel::alphaField	alphaField

typedef BasicTurbulenceModel::rhoField	rhoField

typedef BasicTurbulenceModel::transportModel	transportModel

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

typedef BasicTurbulenceModel::rhoField	rhoField

typedef BasicTurbulenceModel::transportModel	transportModel

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

	kEpsilon (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	~kEpsilon ()=default
	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 ()=default
	Destructor. More...

virtual bool	read ()=0
	Re-read model coefficients if they have changed. 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< volScalarField >	k () const=0
	Return the turbulence kinetic energy. More...

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

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

virtual void	correct ()=0
	Solve the turbulence equations and correct the turbulence viscosity. More...

Public Member Functions inherited from linearViscousStress< 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 ()=default
	Destructor. More...

virtual bool	read ()=0
	Re-read model coefficients if they have changed. More...

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

virtual tmp< volSymmTensorField >	devRhoReff (const volVectorField &U) const
	Return the effective stress tensor based on a given velocity field. 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...

virtual void	correct ()=0
	Solve the turbulence equations and correct the turbulence viscosity. More...

Protected Member Functions
virtual void	correctNut ()

virtual tmp< fvScalarMatrix >	kSource () const

virtual tmp< fvScalarMatrix >	epsilonSource () const

virtual void	correctNut ()=0

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_

Detailed Description

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

Standard k-epsilon turbulence model for incompressible and compressible flows including rapid distortion theory (RDT) based compression term.

Reference:

    Standard model:
        Launder, B. E., & Spalding, D. B. (1972).
        Lectures in mathematical models of turbulence.

        Launder, B. E., & Spalding, D. B. (1974).
        The numerical computation of turbulent flows.
        Computer methods in applied mechanics and engineering,
        3(2), 269-289.

    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

    kEpsilonCoeffs
    {
        Cmu         0.09;
        C1          1.44;
        C2          1.92;
        C3          -0.33;
        sigmak      1.0;
        sigmaEps    1.3;
    }

Source files

Definition at line 89 of file kEpsilon.H.

Member Typedef Documentation

◆ alphaField

typedef BasicTurbulenceModel::alphaField alphaField

Definition at line 130 of file kEpsilon.H.

◆ rhoField

typedef BasicTurbulenceModel::rhoField rhoField

Definition at line 131 of file kEpsilon.H.

◆ transportModel

typedef BasicTurbulenceModel::transportModel transportModel

Definition at line 132 of file kEpsilon.H.

Constructor & Destructor Documentation

◆ kEpsilon()

kEpsilon	(	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`
	)