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

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

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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 ("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)
 
virtual ~kEpsilon ()=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

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::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 85 of file kEpsilon.H.

Member Typedef Documentation

◆ alphaField

typedef BasicTurbulenceModel::alphaField alphaField

Definition at line 126 of file kEpsilon.H.

◆ rhoField

typedef BasicTurbulenceModel::rhoField rhoField

Definition at line 127 of file kEpsilon.H.

◆ transportModel

typedef BasicTurbulenceModel::transportModel transportModel

Definition at line 128 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 
)

Definition at line 80 of file kEpsilon.C.

◆ ~kEpsilon()

virtual ~kEpsilon ( )
virtualdefault

Member Function Documentation

◆ correctNut()

void correctNut
protectedvirtual

Implements eddyViscosity< RASModel< BasicTurbulenceModel > >.

Reimplemented in LaheyKEpsilon< BasicTurbulenceModel >, and continuousGasKEpsilon< BasicTurbulenceModel >.

Definition at line 36 of file kEpsilon.C.

Referenced by continuousGasKEpsilon< BasicTurbulenceModel >::correctNut().

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◆ kSource()

tmp< fvScalarMatrix > kSource
protectedvirtual

Reimplemented in LaheyKEpsilon< BasicTurbulenceModel >, continuousGasKEpsilon< BasicTurbulenceModel >, and buoyantKEpsilon< BasicTurbulenceModel >.

Definition at line 47 of file kEpsilon.C.

Referenced by buoyantKEpsilon< BasicTurbulenceModel >::kSource().

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◆ epsilonSource()

tmp< fvScalarMatrix > epsilonSource
protectedvirtual

Reimplemented in LaheyKEpsilon< BasicTurbulenceModel >, continuousGasKEpsilon< BasicTurbulenceModel >, and buoyantKEpsilon< BasicTurbulenceModel >.

Definition at line 62 of file kEpsilon.C.

Referenced by buoyantKEpsilon< BasicTurbulenceModel >::epsilonSource().

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◆ TypeName()

TypeName ( "kEpsilon< BasicTurbulenceModel >"  )

◆ read()

bool read
virtual

Implements eddyViscosity< RASModel< BasicTurbulenceModel > >.

Reimplemented in LaheyKEpsilon< BasicTurbulenceModel >, continuousGasKEpsilon< BasicTurbulenceModel >, buoyantKEpsilon< BasicTurbulenceModel >, and PDRkEpsilon.

Definition at line 196 of file kEpsilon.C.

◆ DkEff()

tmp<volScalarField> DkEff ( ) const
inline

Definition at line 161 of file kEpsilon.H.

◆ DepsilonEff()

tmp<volScalarField> DepsilonEff ( ) const
inline

Definition at line 174 of file kEpsilon.H.

◆ k()

virtual tmp<volScalarField> k ( ) const
inlinevirtual

Definition at line 187 of file kEpsilon.H.

◆ epsilon()

virtual tmp<volScalarField> epsilon ( ) const
inlinevirtual

Reimplemented from RASModel< BasicTurbulenceModel >.

Definition at line 193 of file kEpsilon.H.

◆ correct()

void correct
virtual

Implements eddyViscosity< RASModel< BasicTurbulenceModel > >.

Reimplemented in LaheyKEpsilon< BasicTurbulenceModel >, and PDRkEpsilon.

Definition at line 215 of file kEpsilon.C.

Referenced by LaheyKEpsilon< BasicTurbulenceModel >::correct().

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Member Data Documentation

◆ Cmu_

dimensionedScalar Cmu_
protected

Definition at line 104 of file kEpsilon.H.

◆ C1_

dimensionedScalar C1_
protected

Definition at line 105 of file kEpsilon.H.

◆ C2_

dimensionedScalar C2_
protected

Definition at line 106 of file kEpsilon.H.

◆ C3_

dimensionedScalar C3_
protected

Definition at line 107 of file kEpsilon.H.

◆ sigmak_

dimensionedScalar sigmak_
protected

Definition at line 108 of file kEpsilon.H.

◆ sigmaEps_

dimensionedScalar sigmaEps_
protected

Definition at line 109 of file kEpsilon.H.

◆ k_

volScalarField k_
protected

Definition at line 113 of file kEpsilon.H.

Referenced by kEpsilon< EddyDiffusivity< compressible::turbulenceModel > >::k().

◆ epsilon_

volScalarField epsilon_
protected

Definition at line 114 of file kEpsilon.H.

Referenced by kEpsilon< EddyDiffusivity< compressible::turbulenceModel > >::epsilon().

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

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