/usr/include/freefoam/incompressibleRASModels/LaunderSharmaKE.H is in libfreefoam-dev 0.1.0+dfsg-1build1.
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License
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Class
Foam::incompressible::RASModels::LaunderSharmaKE
Description
Launder and Sharma low-Reynolds k-epsilon turbulence model for
incompressible flows.
The default model coefficients correspond to the following:
@verbatim
LaunderSharmaKECoeffs
{
Cmu 0.09;
C1 1.44;
C2 1.92;
C3 -0.33;
sigmaEps 1.3;
}
@endverbatim
SourceFiles
LaunderSharmaKE.C
\*---------------------------------------------------------------------------*/
#ifndef LaunderSharmaKE_H
#define LaunderSharmaKE_H
#include <incompressibleRASModels/RASModel.H>
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
namespace Foam
{
namespace incompressible
{
namespace RASModels
{
/*---------------------------------------------------------------------------*\
Class LaunderSharmaKE Declaration
\*---------------------------------------------------------------------------*/
class LaunderSharmaKE
:
public RASModel
{
// Private data
// Model coefficients
dimensionedScalar Cmu_;
dimensionedScalar C1_;
dimensionedScalar C2_;
dimensionedScalar sigmaEps_;
// Fields
volScalarField k_;
volScalarField epsilonTilda_;
volScalarField nut_;
// Private member functions
tmp<volScalarField> fMu() const;
tmp<volScalarField> f2() const;
public:
//- Runtime type information
TypeName("LaunderSharmaKE");
// Constructors
//- Construct from components
LaunderSharmaKE
(
const volVectorField& U,
const surfaceScalarField& phi,
transportModel& transport
);
//- Destructor
virtual ~LaunderSharmaKE()
{}
// Member Functions
//- Return the turbulence viscosity
virtual tmp<volScalarField> nut() const
{
return nut_;
}
//- Return the effective diffusivity for k
tmp<volScalarField> DkEff() const
{
return tmp<volScalarField>
(
new volScalarField("DkEff", nut_ + nu())
);
}
//- Return the effective diffusivity for epsilon
tmp<volScalarField> DepsilonEff() const
{
return tmp<volScalarField>
(
new volScalarField("DepsilonEff", nut_/sigmaEps_ + nu())
);
}
//- Return the turbulence kinetic energy
virtual tmp<volScalarField> k() const
{
return k_;
}
//- Note that epsilonTilda is returned as epsilon.
// This is the appropriate variable for most purposes.
virtual tmp<volScalarField> epsilon() const
{
return epsilonTilda_;
}
//- Return the Reynolds stress tensor
virtual tmp<volSymmTensorField> R() const;
//- Return the effective stress tensor including the laminar stress
virtual tmp<volSymmTensorField> devReff() const;
//- Return the source term for the momentum equation
virtual tmp<fvVectorMatrix> divDevReff(volVectorField& U) const;
//- Solve the turbulence equations and correct the turbulence viscosity
virtual void correct();
//- Read RASProperties dictionary
virtual bool read();
};
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
} // End namespace RASModels
} // End namespace incompressible
} // End namespace Foam
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
#endif
// ************************ vim: set sw=4 sts=4 et: ************************ //
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