/usr/include/freefoam/compressibleLESModels/GenEddyVisc.H is in libfreefoam-dev 0.1.0+dfsg-1build1.
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========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration |
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\\/ M anipulation |
-------------------------------------------------------------------------------
License
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OpenFOAM is free software: you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by
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Class
Foam::compressible::LESModels::GenEddyVisc
Description
General base class for all compressible models that can be implemented as
an eddy viscosity, i.e. algebraic and one-equation models.
Contains fields for k (SGS turbulent kinetic energy), gamma
(modelled viscosity) and epsilon (SGS dissipation).
SourceFiles
GenEddyVisc.C
\*---------------------------------------------------------------------------*/
#ifndef compressibleGenEddyVisc_H
#define compressibleGenEddyVisc_H
#include <compressibleLESModels/LESModel.H>
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
namespace Foam
{
namespace compressible
{
namespace LESModels
{
/*---------------------------------------------------------------------------*\
Class GenEddyVisc Declaration
\*---------------------------------------------------------------------------*/
class GenEddyVisc
:
virtual public LESModel
{
// Private Member Functions
// Disallow default bitwise copy construct and assignment
GenEddyVisc(const GenEddyVisc&);
GenEddyVisc& operator=(const GenEddyVisc&);
protected:
// Model coefficients
dimensionedScalar ce_;
dimensionedScalar Prt_;
// Fields
volScalarField k_;
volScalarField muSgs_;
volScalarField alphaSgs_;
public:
// Constructors
//- Construct from components
GenEddyVisc
(
const volScalarField& rho,
const volVectorField& U,
const surfaceScalarField& phi,
const basicThermo& thermoPhysicalModel
);
//- Destructor
virtual ~GenEddyVisc()
{}
// Member Functions
//- Return SGS kinetic energy
virtual tmp<volScalarField> k() const
{
return k_;
}
//- Return sub-grid disipation rate
virtual tmp<volScalarField> epsilon() const
{
return ce_*k_*sqrt(k_)/delta();
}
//- Return viscosity
virtual tmp<volScalarField> muSgs() const
{
return muSgs_;
}
//- Return thermal diffusivity
virtual tmp<volScalarField> alphaSgs() const
{
return alphaSgs_;
}
//- Return thermal diffusivity
virtual tmp<volScalarField> alphaEff() const
{
return tmp<volScalarField>
(
new volScalarField("alphaEff", alphaSgs_ + alpha())
);
}
//- Return the sub-grid stress tensor.
virtual tmp<volSymmTensorField> B() const;
//- Return the deviatoric part of the effective sub-grid
// turbulence stress tensor including the laminar stress
virtual tmp<volSymmTensorField> devRhoBeff() const;
//- Returns div(rho*dev(B)).
// This is the additional term due to the filtering of the NSE.
virtual tmp<fvVectorMatrix> divDevRhoBeff(volVectorField& U) const;
//- Correct Eddy-Viscosity and related properties
virtual void correct(const tmp<volTensorField>& gradU);
//- Read LESProperties dictionary
virtual bool read();
};
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
} // End namespace LESModels
} // End namespace compressible
} // End namespace Foam
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
#endif
// ************************ vim: set sw=4 sts=4 et: ************************ //
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