realizableKE< BasicMomentumTransportModel > Class Template Reference

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

Inheritance diagram for realizableKE< BasicMomentumTransportModel >:
Collaboration diagram for realizableKE< BasicMomentumTransportModel >:

Public Types

typedef BasicMomentumTransportModel::alphaField alphaField
 
typedef BasicMomentumTransportModel::rhoField rhoField
 
- Public Types inherited from eddyViscosity< RASModel< BasicMomentumTransportModel > >
typedef BasicMomentumTransportModel::alphaField alphaField
 
typedef BasicMomentumTransportModel::rhoField rhoField
 
- Public Types inherited from linearViscousStress< BasicMomentumTransportModel >
typedef BasicMomentumTransportModel::alphaField alphaField
 
typedef BasicMomentumTransportModel::rhoField rhoField
 

Public Member Functions

 TypeName ("realizableKE")
 Runtime type information. More...
 
 realizableKE (const alphaField &alpha, const rhoField &rho, const volVectorField &U, const surfaceScalarField &alphaRhoPhi, const surfaceScalarField &phi, const viscosity &viscosity, const word &type=typeName)
 Construct from components. More...
 
virtual ~realizableKE ()
 Destructor. More...
 
virtual bool read ()
 Re-read model coefficients if they have changed. More...
 
tmp< volScalarFieldDkEff () const
 Return the effective diffusivity for k. More...
 
tmp< volScalarFieldDepsilonEff () const
 Return the effective diffusivity for epsilon. More...
 
virtual tmp< volScalarFieldk () const
 Return the turbulence kinetic energy. More...
 
virtual tmp< volScalarFieldepsilon () const
 Return the turbulence kinetic energy dissipation rate. More...
 
virtual tmp< volScalarFieldomega () const
 Return the turbulence specific dissipation rate. More...
 
virtual void correct ()
 Solve the turbulence equations and correct the turbulence viscosity. More...
 
- Public Member Functions inherited from eddyViscosity< RASModel< BasicMomentumTransportModel > >
 eddyViscosity (const word &modelName, const alphaField &alpha, const rhoField &rho, const volVectorField &U, const surfaceScalarField &alphaRhoPhi, const surfaceScalarField &phi, const viscosity &viscosity)
 Construct from components. More...
 
virtual ~eddyViscosity ()
 Destructor. More...
 
virtual tmp< volScalarFieldnut () const
 Return the turbulence viscosity. More...
 
virtual tmp< scalarFieldnut (const label patchi) const
 Return the turbulence viscosity on patch. More...
 
virtual tmp< volSymmTensorFieldsigma () const
 Return the Reynolds stress tensor [m^2/s^2]. More...
 
virtual void validate ()
 Validate the turbulence fields after construction. More...
 
- Public Member Functions inherited from linearViscousStress< BasicMomentumTransportModel >
 linearViscousStress (const word &modelName, const alphaField &alpha, const rhoField &rho, const volVectorField &U, const surfaceScalarField &alphaRhoPhi, const surfaceScalarField &phi, const viscosity &viscosity)
 Construct from components. More...
 
virtual ~linearViscousStress ()
 Destructor. More...
 
virtual tmp< volSymmTensorFielddevTau () const
 Return the effective stress tensor. More...
 
virtual tmp< fvVectorMatrixdivDevTau (volVectorField &U) const
 Return the source term for the momentum equation. More...
 
virtual tmp< fvVectorMatrixdivDevTau (const volScalarField &rho, volVectorField &U) const
 Return the source term for the momentum equation. More...
 

Protected Member Functions

void boundEpsilon ()
 Bound epsilon. More...
 
tmp< volScalarFieldrCmu (const volTensorField &gradU, const volScalarField &S2, const volScalarField &magS)
 
virtual void correctNut (const volTensorField &gradU, const volScalarField &S2, const volScalarField &magS)
 Correct the eddy-viscosity nut. More...
 
virtual void correctNut ()
 Correct the eddy-viscosity nut. More...
 
virtual tmp< fvScalarMatrixkSource () const
 Source term for the k equation. More...
 
virtual tmp< fvScalarMatrixepsilonSource () const
 Source term for the epsilon equation. More...
 

Protected Attributes

dimensionedScalar A0_
 
dimensionedScalar C2_
 
dimensionedScalar sigmak_
 
dimensionedScalar sigmaEps_
 
volScalarField k_
 
volScalarField epsilon_
 
- Protected Attributes inherited from eddyViscosity< RASModel< BasicMomentumTransportModel > >
volScalarField nut_
 

Detailed Description

template<class BasicMomentumTransportModel>
class Foam::RASModels::realizableKE< BasicMomentumTransportModel >

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 77 of file realizableKE.H.

Member Typedef Documentation

◆ alphaField

typedef BasicMomentumTransportModel::alphaField alphaField

Definition at line 132 of file realizableKE.H.

◆ rhoField

typedef BasicMomentumTransportModel::rhoField rhoField

Definition at line 133 of file realizableKE.H.

Constructor & Destructor Documentation

◆ realizableKE()

realizableKE ( const alphaField alpha,
const rhoField rho,
const volVectorField U,
const surfaceScalarField alphaRhoPhi,
const surfaceScalarField phi,
const viscosity viscosity,
const word type = typeName 
)

Construct from components.

Definition at line 140 of file realizableKE.C.

References Foam::bound(), realizableKE< BasicMomentumTransportModel >::boundEpsilon(), realizableKE< BasicMomentumTransportModel >::k_, and Foam::type().

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◆ ~realizableKE()

virtual ~realizableKE ( )
inlinevirtual

Destructor.

Definition at line 155 of file realizableKE.H.

Member Function Documentation

◆ boundEpsilon()

void boundEpsilon
protected

Bound epsilon.

Definition at line 41 of file realizableKE.C.

References Foam::max(), and Foam::sqr().

Referenced by realizableKE< BasicMomentumTransportModel >::realizableKE().

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◆ rCmu()

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

Definition at line 48 of file realizableKE.C.

References Foam::acos(), tmp< T >::clear(), Foam::cos(), Foam::dev(), Foam::magSqr(), Foam::max(), Foam::min(), Foam::fvm::S(), Foam::skew(), Foam::sqrt(), Foam::symm(), and Foam::W().

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◆ correctNut() [1/2]

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

Correct the eddy-viscosity nut.

Definition at line 81 of file realizableKE.C.

References dictionary::New(), and Foam::sqr().

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◆ correctNut() [2/2]

void correctNut
protectedvirtual

Correct the eddy-viscosity nut.

Implements eddyViscosity< RASModel< BasicMomentumTransportModel > >.

Definition at line 96 of file realizableKE.C.

References Foam::dev(), Foam::fvc::grad(), Foam::magSqr(), Foam::sqrt(), Foam::symm(), and Foam::typedName().

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◆ kSource()

tmp< fvScalarMatrix > kSource
protectedvirtual

Source term for the k equation.

Definition at line 107 of file realizableKE.C.

References Foam::dimTime, and Foam::dimVolume.

◆ epsilonSource()

tmp< fvScalarMatrix > epsilonSource
protectedvirtual

Source term for the epsilon equation.

Definition at line 123 of file realizableKE.C.

References Foam::dimTime, and Foam::dimVolume.

◆ TypeName()

TypeName ( "realizableKE< BasicMomentumTransportModel >"  )

Runtime type information.

◆ read()

bool read
virtual

Re-read model coefficients if they have changed.

Implements eddyViscosity< RASModel< BasicMomentumTransportModel > >.

Definition at line 236 of file realizableKE.C.

References Foam::read().

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◆ DkEff()

tmp<volScalarField> DkEff ( ) const
inline

Return the effective diffusivity for k.

Definition at line 165 of file realizableKE.H.

References GeometricField< Type, PatchField, GeoMesh >::New(), and eddyViscosity< RASModel< BasicMomentumTransportModel > >::nut_.

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◆ DepsilonEff()

tmp<volScalarField> DepsilonEff ( ) const
inline

Return the effective diffusivity for epsilon.

Definition at line 175 of file realizableKE.H.

References GeometricField< Type, PatchField, GeoMesh >::New(), and eddyViscosity< RASModel< BasicMomentumTransportModel > >::nut_.

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◆ k()

virtual tmp<volScalarField> k ( ) const
inlinevirtual

Return the turbulence kinetic energy.

Implements eddyViscosity< RASModel< BasicMomentumTransportModel > >.

Definition at line 185 of file realizableKE.H.

References realizableKE< BasicMomentumTransportModel >::k_.

◆ epsilon()

virtual tmp<volScalarField> epsilon ( ) const
inlinevirtual

Return the turbulence kinetic energy dissipation rate.

Definition at line 191 of file realizableKE.H.

References realizableKE< BasicMomentumTransportModel >::epsilon_.

◆ omega()

virtual tmp<volScalarField> omega ( ) const
inlinevirtual

Return the turbulence specific dissipation rate.

Definition at line 197 of file realizableKE.H.

References realizableKE< BasicMomentumTransportModel >::epsilon_, realizableKE< BasicMomentumTransportModel >::k_, and GeometricField< Type, PatchField, GeoMesh >::New().

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◆ correct()

Member Data Documentation

◆ A0_

dimensionedScalar A0_
protected

Definition at line 88 of file realizableKE.H.

◆ C2_

dimensionedScalar C2_
protected

Definition at line 89 of file realizableKE.H.

◆ sigmak_

dimensionedScalar sigmak_
protected

Definition at line 90 of file realizableKE.H.

◆ sigmaEps_

dimensionedScalar sigmaEps_
protected

Definition at line 91 of file realizableKE.H.

◆ k_

◆ epsilon_


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