Public Types | Public Member Functions | Protected Member Functions | Protected Attributes | List of all members
LaunderSharmaKE< BasicTurbulenceModel > Class Template Reference
Turbulence models » RAS turbulence

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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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")
 
 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)
 
virtual ~LaunderSharmaKE ()=default
 
virtual bool read ()
 
tmp< volScalarField > DkEff () const
 
tmp< volScalarField > DepsilonEff () const
 
virtual tmp< volScalarField > k () const
 
virtual tmp< volScalarField > epsilon () const
 
virtual void correct ()
 
- 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)
 
virtual ~eddyViscosity ()=default
 
virtual tmp< volScalarField > nut () const
 
virtual tmp< scalarField > nut (const label patchi) const
 
virtual tmp< volScalarField > k () const=0
 
virtual tmp< volSymmTensorField > R () const
 
virtual void validate ()
 
- 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)
 
virtual ~linearViscousStress ()=default
 
virtual tmp< volSymmTensorField > devRhoReff () const
 
virtual tmp< volSymmTensorField > devRhoReff (const volVectorField &U) const
 
virtual tmp< fvVectorMatrix > divDevRhoReff (volVectorField &U) const
 
virtual tmp< fvVectorMatrix > divDevRhoReff (const volScalarField &rho, volVectorField &U) const
 
- Public Member Functions inherited from RASModel< BasicTurbulenceModel >
 TypeName ("RAS")
 
 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)
 
virtual ~RASModel ()=default
 
const dimensionedScalar & kMin () const
 
const dimensionedScalar & epsilonMin () const
 
const dimensionedScalar & omegaMin () const
 
dimensionedScalar & kMin ()
 
dimensionedScalar & epsilonMin ()
 
dimensionedScalar & omegaMin ()
 
virtual const dictionary & coeffDict () const
 
virtual tmp< volScalarField > nuEff () const
 
virtual tmp< scalarField > nuEff (const label patchi) const
 
virtual tmp< volScalarField > omega () const
 

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)
 
 RASModel (const RASModel &)=delete
 
void operator= (const RASModel &)=delete
 

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_
 
Switch turbulence_
 
Switch printCoeffs_
 
dictionary coeffDict_
 
dimensionedScalar kMin_
 
dimensionedScalar epsilonMin_
 
dimensionedScalar omegaMin_
 

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)
 

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 83 of file LaunderSharmaKE.H.

Member Typedef Documentation

◆ alphaField

typedef BasicTurbulenceModel::alphaField alphaField

Definition at line 128 of file LaunderSharmaKE.H.

◆ rhoField

typedef BasicTurbulenceModel::rhoField rhoField

Definition at line 129 of file LaunderSharmaKE.H.

◆ transportModel

typedef BasicTurbulenceModel::transportModel transportModel

Definition at line 130 of file LaunderSharmaKE.H.

Constructor & Destructor Documentation

◆ LaunderSharmaKE()

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 
)

Definition at line 96 of file LaunderSharmaKE.C.

References Foam::bound(), and Foam::type().

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◆ ~LaunderSharmaKE()

virtual ~LaunderSharmaKE ( )
virtualdefault

Member Function Documentation

◆ fMu()

tmp< volScalarField > fMu
protected

Definition at line 36 of file LaunderSharmaKE.C.

References Foam::exp(), nu, and Foam::sqr().

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◆ f2()

tmp< volScalarField > f2
protected

Definition at line 43 of file LaunderSharmaKE.C.

References Foam::exp(), Foam::min(), nu, and Foam::sqr().

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◆ correctNut()

void correctNut
protectedvirtual

Implements eddyViscosity< RASModel< BasicTurbulenceModel > >.

Definition at line 52 of file LaunderSharmaKE.C.

References optionList::correct(), options::New(), and Foam::sqr().

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◆ kSource()

tmp< fvScalarMatrix > kSource
protectedvirtual

Definition at line 63 of file LaunderSharmaKE.C.

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

◆ epsilonSource()

tmp< fvScalarMatrix > epsilonSource
protectedvirtual

Definition at line 78 of file LaunderSharmaKE.C.

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

◆ TypeName()

TypeName ( "LaunderSharmaKE< BasicTurbulenceModel >"  )

◆ read()

bool read
virtual

Implements eddyViscosity< RASModel< BasicTurbulenceModel > >.

Definition at line 213 of file LaunderSharmaKE.C.

References Foam::read().

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◆ DkEff()

tmp<volScalarField> DkEff ( ) const
inline

Definition at line 163 of file LaunderSharmaKE.H.

References nu, and eddyViscosity< RASModel< BasicTurbulenceModel > >::nut_.

◆ DepsilonEff()

tmp<volScalarField> DepsilonEff ( ) const
inline

Definition at line 176 of file LaunderSharmaKE.H.

References nu, and eddyViscosity< RASModel< BasicTurbulenceModel > >::nut_.

◆ k()

virtual tmp<volScalarField> k ( ) const
inlinevirtual

Definition at line 189 of file LaunderSharmaKE.H.

References LaunderSharmaKE< BasicTurbulenceModel >::k_.

◆ epsilon()

virtual tmp<volScalarField> epsilon ( ) const
inlinevirtual

Reimplemented from RASModel< BasicTurbulenceModel >.

Definition at line 195 of file LaunderSharmaKE.H.

References LaunderSharmaKE< BasicTurbulenceModel >::epsilon_.

◆ correct()

void correct
virtual

Implements eddyViscosity< RASModel< BasicTurbulenceModel > >.

Definition at line 232 of file LaunderSharmaKE.C.

References Foam::fvc::absolute(), Foam::constant::atomic::alpha, Foam::bound(), tmp::clear(), correct(), D, Foam::fvm::ddt(), Foam::dev(), Foam::fvm::div(), Foam::fvc::div(), divU, fvOptions, Foam::constant::universal::G, Foam::fvc::grad(), Foam::fvm::laplacian(), Foam::magSqr(), Foam::fvc::magSqrGradGrad(), options::New(), nu, nut, phi, tmp::ref(), rho, Foam::solve(), Foam::fvm::Sp(), Foam::sqrt(), Foam::fvm::SuSp(), Foam::twoSymm(), and U.

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Member Data Documentation

◆ Cmu_

dimensionedScalar Cmu_
protected

Definition at line 102 of file LaunderSharmaKE.H.

◆ C1_

dimensionedScalar C1_
protected

Definition at line 103 of file LaunderSharmaKE.H.

◆ C2_

dimensionedScalar C2_
protected

Definition at line 104 of file LaunderSharmaKE.H.

◆ C3_

dimensionedScalar C3_
protected

Definition at line 105 of file LaunderSharmaKE.H.

◆ sigmak_

dimensionedScalar sigmak_
protected

Definition at line 106 of file LaunderSharmaKE.H.

◆ sigmaEps_

dimensionedScalar sigmaEps_
protected

Definition at line 107 of file LaunderSharmaKE.H.

◆ k_

volScalarField k_
protected

Definition at line 112 of file LaunderSharmaKE.H.

Referenced by LaunderSharmaKE< BasicTurbulenceModel >::k().

◆ epsilon_

volScalarField epsilon_
protected

Definition at line 113 of file LaunderSharmaKE.H.

Referenced by LaunderSharmaKE< BasicTurbulenceModel >::epsilon().

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

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