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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 LienCubicKELowRe 00027 00028 Description 00029 Lien cubic non-linear low-Reynolds k-epsilon turbulence models. 00030 00031 SourceFiles 00032 LienCubicKELowRe.C 00033 LienCubicKELowReCorrect.C 00034 00035 \*---------------------------------------------------------------------------*/ 00036 00037 #ifndef LienCubicKELowRe_H 00038 #define LienCubicKELowRe_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 LienCubicKELowRe Declaration 00052 \*---------------------------------------------------------------------------*/ 00053 00054 class LienCubicKELowRe 00055 : 00056 public turbulenceModel 00057 { 00058 // Private data 00059 00060 dimensionedScalar C1; 00061 dimensionedScalar C2; 00062 dimensionedScalar alphak; 00063 dimensionedScalar alphaEps; 00064 dimensionedScalar A1; 00065 dimensionedScalar A2; 00066 dimensionedScalar Ctau1; 00067 dimensionedScalar Ctau2; 00068 dimensionedScalar Ctau3; 00069 dimensionedScalar alphaKsi; 00070 00071 dimensionedScalar CmuWall; 00072 00073 dimensionedScalar Am; 00074 dimensionedScalar Aepsilon; 00075 dimensionedScalar Amu; 00076 00077 volScalarField k_; 00078 volScalarField epsilon_; 00079 00080 wallDist y_; 00081 00082 volTensorField gradU; 00083 volScalarField eta; 00084 volScalarField ksi; 00085 volScalarField Cmu; 00086 volScalarField fEta; 00087 volScalarField C5viscosity; 00088 00089 volScalarField yStar; 00090 00091 volScalarField nut_; 00092 00093 volTensorField nonlinearStress; 00094 00095 public: 00096 00097 //- Runtime type information 00098 TypeName("LienCubicKELowRe"); 00099 00100 // Constructors 00101 00102 //- from components 00103 LienCubicKELowRe 00104 ( 00105 const volVectorField& U, 00106 const surfaceScalarField& phi, 00107 transportModel& transport 00108 ); 00109 00110 00111 // Destructor 00112 00113 ~LienCubicKELowRe(){} 00114 00115 00116 // Member Functions 00117 00118 tmp<volScalarField> nut() const 00119 { 00120 return nut_; 00121 } 00122 00123 //- Return the effective diffusivity for k 00124 tmp<volScalarField> DkEff() const 00125 { 00126 return tmp<volScalarField> 00127 ( 00128 new volScalarField("DkEff", alphak*nut_ + nu()) 00129 ); 00130 } 00131 00132 //- Return the effective diffusivity for epsilon 00133 tmp<volScalarField> DepsilonEff() const 00134 { 00135 return tmp<volScalarField> 00136 ( 00137 new volScalarField("DepsilonEff", alphaEps*nut_ + nu()) 00138 ); 00139 } 00140 00141 tmp<volScalarField> k() const 00142 { 00143 return k_; 00144 } 00145 00146 tmp<volScalarField> epsilon() const 00147 { 00148 return epsilon_; 00149 } 00150 00151 tmp<volTensorField> R() const; 00152 00153 tmp<fvVectorMatrix> divR(volVectorField& U) const; 00154 00155 void correct(); 00156 00157 //- Read turbulenceProperties dictionary 00158 bool read(); 00159 }; 00160 00161 00162 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * // 00163 00164 } // End namespace turbulenceModels 00165 } // End namespace Foam 00166 00167 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * // 00168 00169 #endif 00170 00171 // ************************************************************************* //