SpalartAllmarasIDDES.H

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    Copyright (C) 2019-2022 OpenCFD Ltd.
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License
    This file is part of OpenFOAM.
 
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Class
    Foam::LESModels::SpalartAllmarasIDDES
 
Group
    grpDESTurbulence
 
Description
    SpalartAllmaras IDDES turbulence model
    for incompressible and compressible flows.
 
    Reference:
    \verbatim
        Shur, M. L., Spalart, P. R., Strelets, M. K., & Travin, A. K. (2008).
        A hybrid RANS-LES approach with delayed-DES
        and wall-modelled LES capabilities.
        International journal of heat and fluid flow, 29(6), 1638-1649.
        DOI:10.1016/j.ijheatfluidflow.2008.07.001
    \endverbatim
 
SourceFiles
    SpalartAllmarasIDDES.C
 
\*---------------------------------------------------------------------------*/
 
#ifndef Foam_SpalartAllmarasIDDES_H
#define Foam_SpalartAllmarasIDDES_H
 
#include "SpalartAllmarasDES.H"
#include "IDDESDelta.H"
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
namespace Foam
{
namespace LESModels
{
 
/*---------------------------------------------------------------------------*\
                    Class SpalartAllmarasIDDES Declaration
\*---------------------------------------------------------------------------*/
 
template<class BasicTurbulenceModel>
class SpalartAllmarasIDDES
:
    public SpalartAllmarasDES<BasicTurbulenceModel>
{
    // Private Member Functions
 
        //- Check that the supplied delta is an IDDESDelta
        const IDDESDelta& setDelta() const;
 
        tmp<volScalarField> alpha() const;
 
        tmp<volScalarField> ft(const volScalarField& magGradU) const;
 
        tmp<volScalarField> fl(const volScalarField& magGradU) const;
 
        //- Delay function
        tmp<volScalarField> fdt(const volScalarField& magGradU) const;
 
        //- No copy construct
        SpalartAllmarasIDDES(const SpalartAllmarasIDDES&) = delete;
 
        //- No copy assignment
        void operator=(const SpalartAllmarasIDDES&) = delete;
 
 
protected:
 
    // Protected Data
 
        // Model coefficients
 
            dimensionedScalar Cdt1_;
            dimensionedScalar Cdt2_;
            dimensionedScalar Cl_;
            dimensionedScalar Ct_;
            Switch fe_;
 
 
        //- IDDES delta
        const IDDESDelta& IDDESDelta_;
 
 
    // Protected Member Functions
 
        //- Return the length scale
        virtual tmp<volScalarField> dTilda
        (
            const volScalarField& chi,
            const volScalarField& fv1,
            const volTensorField& gradU
        ) const;
 
 
public:
 
    typedef typename BasicTurbulenceModel::alphaField alphaField;
    typedef typename BasicTurbulenceModel::rhoField rhoField;
    typedef typename BasicTurbulenceModel::transportModel transportModel;
 
 
    //- Runtime type information
    TypeName("SpalartAllmarasIDDES");
 
 
    // Constructors
 
        //- Construct from components
        SpalartAllmarasIDDES
        (
            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
        );
 
 
    //- Destructor
    virtual ~SpalartAllmarasIDDES() = default;
 
 
    // Member Functions
 
        //- Re-read model coefficients if they have changed
        virtual bool read();
 
        //- Return the shielding function
        virtual tmp<volScalarField> fd() const;
};
 
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
} // End namespace LESModels
} // End namespace Foam
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
#ifdef NoRepository
    #include "SpalartAllmarasIDDES.C"
#endif
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
#endif
 
// ************************************************************************* //