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

#include <realizableKE.H>

Inheritance diagram for realizableKE< BasicTurbulenceModel >:

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Collaboration diagram for realizableKE< 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 ("realizableKE")
	Runtime type information.
	realizableKE (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	~realizableKE ()=default
	Destructor.
virtual bool	read ()
	Re-read model coefficients if they have changed.
tmp< volScalarField >	DkEff () const
	Return the effective diffusivity for k.
tmp< volScalarField >	DepsilonEff () const
	Return the effective diffusivity for epsilon.
virtual tmp< volScalarField >	k () const
	Return the turbulence kinetic energy.
virtual tmp< volScalarField >	epsilon () const
	Return the turbulence kinetic energy dissipation rate.
virtual void	correct ()
	Solve the turbulence equations and correct the turbulence viscosity.
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.
virtual	~eddyViscosity ()=default
	Destructor.
virtual tmp< volScalarField >	nut () const
	Return the turbulence viscosity.
virtual tmp< volSymmTensorField >	R () const
	Return the Reynolds stress tensor.
virtual void	validate ()
	Validate the turbulence fields after construction.
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.
virtual	~linearViscousStress ()=default
	Destructor.
virtual tmp< volSymmTensorField >	devRhoReff () const
	Return the effective stress tensor.
virtual tmp< volSymmTensorField >	devRhoReff (const volVectorField &U) const
	Return the effective stress tensor based on a given velocity field.
virtual tmp< fvVectorMatrix >	divDevRhoReff (volVectorField &U) const
	Return the source term for the momentum equation.
virtual tmp< fvVectorMatrix >	divDevRhoReff (const volScalarField &rho, volVectorField &U) const
	Return the source term for the momentum equation.

Protected Member Functions
tmp< volScalarField >	rCmu (const volTensorField &gradU, const volScalarField &S2, const volScalarField &magS)
virtual void	correctNut (const volTensorField &gradU, const volScalarField &S2, const volScalarField &magS)
virtual void	correctNut ()
virtual tmp< fvScalarMatrix >	kSource () const
virtual tmp< fvScalarMatrix >	epsilonSource () const

Protected Attributes
dimensionedScalar	A0_
dimensionedScalar	C2_
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::realizableKE< BasicTurbulenceModel >

Realizable k-epsilon turbulence model for incompressible and compressible flows.

References:

    Shih, T. H., Liou, W. W., Shabbir, A., Yang, Z., & Zhu, J. (1994).
    A new k-epsilon eddy viscosity model for high Reynolds number
    turbulent flows: Model development and validation.
    NASA STI/Recon Technical Report N, 95, 11442.

    Shih, T. H., Liou, W. W., Shabbir, A., Yang, Z., & Zhu, J. (1995).
    A New k-epsilon Eddy Viscosity Model for High Reynolds Number
    Turbulent Flows.
    Computers and Fluids, 24(3), 227-238.

The default model coefficients are

    realizableKECoeffs
    {
        A0          4.0;
        C2          1.9;
        sigmak      1.0;
        sigmaEps    1.2;
    }

Source files

Definition at line 79 of file realizableKE.H.

Member Typedef Documentation

◆ alphaField

template<class BasicTurbulenceModel>

typedef BasicTurbulenceModel::alphaField alphaField

Definition at line 125 of file realizableKE.H.

◆ rhoField

template<class BasicTurbulenceModel>

typedef BasicTurbulenceModel::rhoField rhoField

Definition at line 126 of file realizableKE.H.

◆ transportModel

template<class BasicTurbulenceModel>

typedef BasicTurbulenceModel::transportModel transportModel

Definition at line 127 of file realizableKE.H.

Constructor & Destructor Documentation

◆ realizableKE()

template<class BasicTurbulenceModel>

realizableKE	(	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 119 of file realizableKE.C.

References A0_, alpha, Foam::bound(), C2_, eddyViscosity< RASModel< BasicTurbulenceModel > >::eddyViscosity(), epsilon_, Foam::GlobalIOList< Tuple2< scalar, vector > >::typeName, k_, phi, rho, sigmaEps_, sigmak_, timeName, and U.

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◆ ~realizableKE()

template<class BasicTurbulenceModel>

virtual ~realizableKE ( )

virtualdefault

Destructor.

Member Function Documentation

◆ rCmu()

template<class BasicTurbulenceModel>

tmp< volScalarField > rCmu	(	const volTensorField &	gradU,
		const volScalarField &	S2,
		const volScalarField &	magS )

protected

Definition at line 36 of file realizableKE.C.

References A0_, Foam::acos(), Foam::clamp(), tmp< T >::clear(), Foam::cos(), Foam::devSymm(), epsilon_, k_, Foam::magSqr(), phis(), Foam::skew(), Foam::sqrt(), and Us.

Referenced by correctNut().

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◆ correctNut() [1/2]

template<class BasicTurbulenceModel>

void correctNut	(	const volTensorField &	gradU,
		const volScalarField &	S2,
		const volScalarField &	magS )

protectedvirtual

Definition at line 69 of file realizableKE.C.

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

Referenced by correct(), and correctNut().

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◆ correctNut() [2/2]

template<class BasicTurbulenceModel>

void correctNut ( )

protectedvirtual

Implements eddyViscosity< RASModel< BasicTurbulenceModel > >.

Definition at line 85 of file realizableKE.C.

References correctNut(), Foam::devSymm(), Foam::fvc::grad(), Foam::magSqr(), and Foam::sqrt().

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◆ kSource()

template<class BasicTurbulenceModel>

tmp< fvScalarMatrix > kSource ( ) const

protectedvirtual

Definition at line 95 of file realizableKE.C.

References Foam::dimTime, Foam::dimVolume, k_, and tmp< T >::New().

Referenced by correct().

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◆ epsilonSource()

template<class BasicTurbulenceModel>

tmp< fvScalarMatrix > epsilonSource ( ) const

protectedvirtual

Definition at line 106 of file realizableKE.C.

References Foam::dimTime, Foam::dimVolume, epsilon_, and tmp< T >::New().

Referenced by correct().

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◆ TypeName()

template<class BasicTurbulenceModel>

TypeName ( "realizableKE< BasicTurbulenceModel >" )

Runtime type information.

◆ read()

template<class BasicTurbulenceModel>

bool read ( )

virtual

Re-read model coefficients if they have changed.

Implements eddyViscosity< RASModel< BasicTurbulenceModel > >.

Definition at line 217 of file realizableKE.C.

References A0_, C2_, eddyViscosity< RASModel< BasicTurbulenceModel > >::eddyViscosity(), read(), sigmaEps_, and sigmak_.

Referenced by read().

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◆ DkEff()

template<class BasicTurbulenceModel>

tmp< volScalarField > DkEff ( ) const

inline

Return the effective diffusivity for k.

Definition at line 169 of file realizableKE.H.

Referenced by correct().

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◆ DepsilonEff()

template<class BasicTurbulenceModel>

tmp< volScalarField > DepsilonEff ( ) const

inline

Return the effective diffusivity for epsilon.

Definition at line 184 of file realizableKE.H.

Referenced by correct().

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◆ k()

template<class BasicTurbulenceModel>

virtual tmp< volScalarField > k ( ) const

inlinevirtual

Return the turbulence kinetic energy.

Implements eddyViscosity< RASModel< BasicTurbulenceModel > >.

Definition at line 199 of file realizableKE.H.

◆ epsilon()

template<class BasicTurbulenceModel>

virtual tmp< volScalarField > epsilon ( ) const

inlinevirtual

Return the turbulence kinetic energy dissipation rate.

Definition at line 207 of file realizableKE.H.

◆ correct()

template<class BasicTurbulenceModel>

void correct ( )

virtual

Solve the turbulence equations and correct the turbulence viscosity.

Implements eddyViscosity< RASModel< BasicTurbulenceModel > >.

Definition at line 234 of file realizableKE.C.

References Foam::fvc::absolute(), alpha, Foam::bound(), C2_, correct(), correctNut(), Foam::fvm::ddt(), DepsilonEff(), Foam::devSymm(), Foam::devTwoSymm(), Foam::fvc::div(), Foam::fvm::div(), divU, DkEff(), eddyViscosity< RASModel< BasicTurbulenceModel > >::eddyViscosity(), epsilon_, epsilonSource(), fvOptions, Foam::fvc::grad(), k_, kSource(), Foam::fvm::laplacian(), Foam::magSqr(), Foam::max(), options::New(), nu, eddyViscosity< RASModel< BasicTurbulenceModel > >::nut(), eddyViscosity< RASModel< BasicTurbulenceModel > >::nut_, phi, tmp< T >::ref(), rho, solve(), Foam::fvm::Sp(), Foam::sqrt(), Foam::fvm::SuSp(), U, and Foam::Zero.

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Member Data Documentation

◆ A0_

template<class BasicTurbulenceModel>

dimensionedScalar A0_

protected

Definition at line 90 of file realizableKE.H.

Referenced by rCmu(), read(), and realizableKE().

◆ C2_

template<class BasicTurbulenceModel>

dimensionedScalar C2_

protected

Definition at line 91 of file realizableKE.H.

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

◆ sigmak_

template<class BasicTurbulenceModel>

dimensionedScalar sigmak_

protected

Definition at line 92 of file realizableKE.H.

Referenced by read(), and realizableKE().

◆ sigmaEps_

template<class BasicTurbulenceModel>

dimensionedScalar sigmaEps_

protected

Definition at line 93 of file realizableKE.H.

Referenced by read(), and realizableKE().

◆ k_

template<class BasicTurbulenceModel>

volScalarField k_

protected

Definition at line 98 of file realizableKE.H.

Referenced by correct(), correctNut(), kSource(), rCmu(), and realizableKE().

◆ epsilon_

template<class BasicTurbulenceModel>

volScalarField epsilon_

protected

Definition at line 99 of file realizableKE.H.

Referenced by correct(), correctNut(), epsilonSource(), rCmu(), and realizableKE().

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

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

Public Types

Public Member Functions

Protected Member Functions

Protected Attributes

Detailed Description

Member Typedef Documentation

◆ alphaField

◆ rhoField

◆ transportModel

Constructor & Destructor Documentation

◆ realizableKE()

◆ ~realizableKE()

Member Function Documentation

◆ rCmu()

◆ correctNut() [1/2]

◆ correctNut() [2/2]

◆ kSource()

◆ epsilonSource()

◆ TypeName()

◆ read()

◆ DkEff()

◆ DepsilonEff()

◆ k()

◆ epsilon()

◆ correct()

Member Data Documentation

◆ A0_

◆ C2_

◆ sigmak_

◆ sigmaEps_

◆ k_

◆ epsilon_