/usr/include/freefoam/incompressibleLESModels/SpalartAllmaras.H is in libfreefoam-dev 0.1.0+dfsg-1build1.
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========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration |
\\ / A nd | Copyright (C) 1991-2010 OpenCFD Ltd.
\\/ M anipulation |
-------------------------------------------------------------------------------
License
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under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
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Class
Foam::LESmodels::SpalartAllmaras
Description
SpalartAllmaras DES (SA + LES) turbulence model for incompressible flows
SourceFiles
SpalartAllmaras.C
\*---------------------------------------------------------------------------*/
#ifndef SpalartAllmaras_H
#define SpalartAllmaras_H
#include <incompressibleLESModels/LESModel.H>
#include <finiteVolume/volFields.H>
#include <finiteVolume/wallDist.H>
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
namespace Foam
{
namespace incompressible
{
namespace LESModels
{
/*---------------------------------------------------------------------------*\
Class SpalartAllmaras Declaration
\*---------------------------------------------------------------------------*/
class SpalartAllmaras
:
public LESModel
{
// Private member functions
//- Update sub-grid scale fields
void updateSubGridScaleFields();
// Disallow default bitwise copy construct and assignment
SpalartAllmaras(const SpalartAllmaras&);
SpalartAllmaras& operator=(const SpalartAllmaras&);
protected:
// Protected data
dimensionedScalar sigmaNut_;
dimensionedScalar kappa_;
// Model constants
dimensionedScalar Cb1_;
dimensionedScalar Cb2_;
dimensionedScalar Cv1_;
dimensionedScalar Cv2_;
dimensionedScalar CDES_;
dimensionedScalar ck_;
dimensionedScalar Cw1_;
dimensionedScalar Cw2_;
dimensionedScalar Cw3_;
// Fields
wallDist y_;
volScalarField nuTilda_;
volScalarField nuSgs_;
// Protected member functions
virtual tmp<volScalarField> fv1() const;
virtual tmp<volScalarField> fv2() const;
virtual tmp<volScalarField> fv3() const;
virtual tmp<volScalarField> S(const volTensorField& gradU) const;
virtual tmp<volScalarField> STilda
(
const volScalarField& S,
const volScalarField& dTilda
) const;
virtual tmp<volScalarField> r
(
const volScalarField& visc,
const volScalarField& S,
const volScalarField& dTilda
) const;
virtual tmp<volScalarField> fw
(
const volScalarField& S,
const volScalarField& dTilda
) const;
//- Length scale
virtual tmp<volScalarField> dTilda(const volScalarField& S) const;
public:
//- Runtime type information
TypeName("SpalartAllmaras");
// Constructors
//- Construct from components
SpalartAllmaras
(
const volVectorField& U,
const surfaceScalarField& phi,
transportModel& transport,
const word& modelName = typeName
);
//- Destructor
virtual ~SpalartAllmaras()
{}
// Member Functions
//- Return SGS kinetic energy
virtual tmp<volScalarField> k() const;
//- Return sub-grid disipation rate
virtual tmp<volScalarField> epsilon() const;
tmp<volScalarField> nuTilda() const
{
return nuTilda_;
}
//- Return SGS viscosity
virtual tmp<volScalarField> nuSgs() const
{
return nuSgs_;
}
//- Return the sub-grid stress tensor.
virtual tmp<volSymmTensorField> B() const;
//- Return the effective sub-grid turbulence stress tensor
// including the laminar stress
virtual tmp<volSymmTensorField> devBeff() const;
//- Return the deviatoric part of the divergence of Beff
// i.e. the additional term in the filtered NSE.
virtual tmp<fvVectorMatrix> divDevBeff(volVectorField& U) const;
//- Correct nuTilda and related properties
virtual void correct(const tmp<volTensorField>& gradU);
//- Read LESProperties dictionary
virtual bool read();
};
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
} // End namespace LESModels
} // End namespace incompressible
} // End namespace Foam
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
#endif
// ************************ vim: set sw=4 sts=4 et: ************************ //
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