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kEpsilon Class Reference

Standard k-epsilon turbulence model for compressible flows. More...

#include <compressibleRASModels/kEpsilon.H>


Detailed Description

Standard k-epsilon turbulence model for compressible flows.

The default model coefficients correspond to the following:

kEpsilonCoeffs
{
Cmu 0.09;
C1  1.44;
C2  1.92;
C3  -0.33;  // only for compressible
sigmak  1.0;// only for compressible
sigmaEps1.3;
Prt 1.0;// only for compressible
}
Source files

Definition at line 68 of file kEpsilon.H.

Inheritance diagram for kEpsilon:
Collaboration diagram for kEpsilon:

List of all members.

Public Member Functions

 TypeName ("kEpsilon")
 Runtime type information.
 kEpsilon (const volScalarField &rho, const volVectorField &U, const surfaceScalarField &phi, const basicThermo &thermophysicalModel)
 Construct from components.
virtual  ~kEpsilon ()
 Destructor.
tmp< volScalarField >  DkEff () const
 Return the effective diffusivity for k.
tmp< volScalarField >  DepsilonEff () const
 Return the effective diffusivity for epsilon.
virtual tmp< volScalarField >  mut () const
 Return the turbulence viscosity.
virtual tmp< volScalarField >  alphaEff () const
 Return the effective turbulent thermal diffusivity.
virtual tmp< volScalarField >  k () const
 Return the turbulence kinetic energy.
virtual tmp< volScalarField >  epsilon () const
 Return the turbulence kinetic energy dissipation rate.
virtual tmp< volSymmTensorField >  R () const
 Return the Reynolds stress tensor.
virtual tmp< volSymmTensorField >  devRhoReff () const
 Return the effective stress tensor including the laminar stress.
virtual tmp< fvVectorMatrix >  divDevRhoReff (volVectorField &U) const
 Return the source term for the momentum equation.
virtual void  correct ()
 Solve the turbulence equations and correct the turbulence viscosity.
virtual bool  read ()
 Read RASProperties dictionary.

Constructor & Destructor Documentation

kEpsilon ( const volScalarField &   rho,
const volVectorField &   U,
const surfaceScalarField &   phi,
const basicThermo &   thermophysicalModel  
)

Construct from components.

Definition at line 48 of file kEpsilon.C.

References Foam::sqr().

virtual ~kEpsilon (  ) [inline, virtual]

Destructor.

Definition at line 110 of file kEpsilon.H.


Member Function Documentation

TypeName ( "kEpsilon"    )

Runtime type information.

tmp<volScalarField> DkEff (  ) const [inline]

Return the effective diffusivity for k.

Definition at line 117 of file kEpsilon.H.

References kEpsilon::DkEff(), and mu.

Referenced by kEpsilon::DkEff().

tmp<volScalarField> DepsilonEff (  ) const [inline]

Return the effective diffusivity for epsilon.

Definition at line 126 of file kEpsilon.H.

References kEpsilon::DepsilonEff(), and mu.

Referenced by kEpsilon::DepsilonEff().

virtual tmp<volScalarField> mut (  ) const [inline, virtual]

Return the turbulence viscosity.

Implements RASModel.

Definition at line 135 of file kEpsilon.H.

References kEpsilon::mut().

Referenced by kEpsilon::mut().

virtual tmp<volScalarField> alphaEff (  ) const [inline, virtual]

Return the effective turbulent thermal diffusivity.

Implements RASModel.

Definition at line 141 of file kEpsilon.H.

References turbulenceModel::alpha(), and kEpsilon::alphaEff().

Referenced by kEpsilon::alphaEff().

virtual tmp<volScalarField> k (  ) const [inline, virtual]

Return the turbulence kinetic energy.

Implements RASModel.

Definition at line 150 of file kEpsilon.H.

virtual tmp<volScalarField> epsilon (  ) const [inline, virtual]

Return the turbulence kinetic energy dissipation rate.

Implements RASModel.

Definition at line 156 of file kEpsilon.H.

References kEpsilon::epsilon().

Referenced by kEpsilon::epsilon().

tmp< volSymmTensorField > R (  ) const [virtual]

Return the Reynolds stress tensor.

Implements RASModel.

Definition at line 182 of file kEpsilon.C.

References Foam::dev(), Foam::fvc::grad(), Foam::I, IOobject::NO_READ, IOobject::NO_WRITE, and Foam::twoSymm().

tmp< volSymmTensorField > devRhoReff (  ) const [virtual]

Return the effective stress tensor including the laminar stress.

Implements RASModel.

Definition at line 203 of file kEpsilon.C.

References Foam::dev(), Foam::fvc::grad(), muEff(), IOobject::NO_READ, IOobject::NO_WRITE, and Foam::twoSymm().

tmp< fvVectorMatrix > divDevRhoReff ( volVectorField &   U  ) const [virtual]

Return the source term for the momentum equation.

Implements RASModel.

Definition at line 223 of file kEpsilon.C.

References Foam::dev2(), Foam::fvc::div(), Foam::fvc::grad(), Foam::fvm::laplacian(), muEff(), and Foam::T().

void correct (  ) [virtual]
bool read (  ) [virtual]

Read RASProperties dictionary.

Implements RASModel.

Definition at line 233 of file kEpsilon.C.


The documentation for this class was generated from the following files:
  • src/turbulenceModels/compressible/RAS/kEpsilon/kEpsilon.H
  • src/turbulenceModels/compressible/RAS/kEpsilon/kEpsilon.C