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LienLeschzinerLowRe.H

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00001 /*---------------------------------------------------------------------------*\
00002   =========                 |
00003   \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
00004    \\    /   O peration     |
00005     \\  /    A nd           | Copyright (C) 1991-2005 OpenCFD Ltd.
00006      \\/     M anipulation  |
00007 -------------------------------------------------------------------------------
00008 License
00009     This file is part of OpenFOAM.
00010 
00011     OpenFOAM is free software; you can redistribute it and/or modify it
00012     under the terms of the GNU General Public License as published by the
00013     Free Software Foundation; either version 2 of the License, or (at your
00014     option) any later version.
00015 
00016     OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
00017     ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
00018     FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
00019     for more details.
00020 
00021     You should have received a copy of the GNU General Public License
00022     along with OpenFOAM; if not, write to the Free Software Foundation,
00023     Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
00024 
00025 Class
00026     LienLeschzinerLowRe
00027 
00028 Description
00029     Lien and Leschziner low-Reynolds k-epsilon turbulence model.
00030 
00031 SourceFiles
00032     LienLeschzinerLowRe.C
00033     LienLeschzinerLowReCorrect.C
00034 
00035 \*---------------------------------------------------------------------------*/
00036 
00037 #ifndef LienLeschzinerLowRe_H
00038 #define LienLeschzinerLowRe_H
00039 
00040 #include "turbulenceModel.H"
00041 #include "wallDist.H"
00042 
00043 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
00044 
00045 namespace Foam
00046 {
00047 namespace turbulenceModels
00048 {
00049 
00050 /*---------------------------------------------------------------------------*\
00051                            Class LienLeschzinerLowRe Declaration
00052 \*---------------------------------------------------------------------------*/
00053 
00054 class LienLeschzinerLowRe
00055 :
00056     public turbulenceModel
00057 {
00058     // Private data
00059 
00060         dimensionedScalar C1;
00061         dimensionedScalar C2;
00062         dimensionedScalar alphak;
00063         dimensionedScalar alphaEps;
00064         dimensionedScalar Cmu;
00065 
00066         dimensionedScalar Am;
00067         dimensionedScalar Aepsilon;
00068         dimensionedScalar Amu;
00069 
00070         volScalarField k_;
00071         volScalarField epsilon_;
00072 
00073         wallDist y_;
00074 
00075         volScalarField yStar_;
00076 
00077         volScalarField nut_;
00078 
00079 
00080 public:
00081 
00082     TypeName("LienLeschzinerLowRe");
00083 
00084     // Constructors
00085 
00086         //- from components
00087         LienLeschzinerLowRe
00088         (
00089             const volVectorField& U,
00090             const surfaceScalarField& phi,
00091             transportModel& transport
00092         );
00093 
00094 
00095     // Destructor
00096 
00097         ~LienLeschzinerLowRe(){}
00098 
00099 
00100     // Member Functions
00101 
00102         tmp<volScalarField> nut() const
00103         {
00104             return nut_;
00105         }
00106 
00107         //- Return the effective diffusivity for k
00108         tmp<volScalarField> DkEff() const
00109         {
00110             return tmp<volScalarField> 
00111             (
00112                 new volScalarField("DkEff", alphak*nut_ + nu())
00113             );
00114         }
00115 
00116         //- Return the effective diffusivity for epsilon
00117         tmp<volScalarField> DepsilonEff() const
00118         {
00119             return tmp<volScalarField> 
00120             (
00121                 new volScalarField("DepsilonEff", alphaEps*nut_ + nu())
00122             );
00123         }
00124 
00125         tmp<volScalarField> k() const
00126         {
00127             return k_;
00128         }
00129 
00130         tmp<volScalarField> epsilon() const
00131         {
00132             return epsilon_;
00133         }
00134 
00135         tmp<volTensorField> R() const;
00136 
00137         tmp<fvVectorMatrix> divR(volVectorField& U) const;
00138 
00139         void correct();
00140 
00141         //- Read turbulenceProperties dictionary
00142         bool read();
00143 };
00144 
00145 
00146 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
00147 
00148 } // End namespace turbulenceModels
00149 } // End namespace Foam
00150 
00151 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
00152 
00153 #endif
00154 
00155 // ************************************************************************* //
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