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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 LienCubicKE 00027 00028 Description 00029 Lien cubic non-linear k-epsilon turbulence model. 00030 00031 SourceFiles 00032 LienCubicKE.C 00033 LienCubicKECorrect.C 00034 00035 \*---------------------------------------------------------------------------*/ 00036 00037 #ifndef LienCubicKE_H 00038 #define LienCubicKE_H 00039 00040 #include "turbulenceModel.H" 00041 00042 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * // 00043 00044 namespace Foam 00045 { 00046 namespace turbulenceModels 00047 { 00048 00049 /*---------------------------------------------------------------------------*\ 00050 Class LienCubicKE Declaration 00051 \*---------------------------------------------------------------------------*/ 00052 00053 class LienCubicKE 00054 : 00055 public turbulenceModel 00056 { 00057 // Private data 00058 00059 dimensionedScalar C1; 00060 dimensionedScalar C2; 00061 dimensionedScalar alphak; 00062 dimensionedScalar alphaEps; 00063 dimensionedScalar A1; 00064 dimensionedScalar A2; 00065 dimensionedScalar Ctau1; 00066 dimensionedScalar Ctau2; 00067 dimensionedScalar Ctau3; 00068 dimensionedScalar alphaKsi; 00069 00070 volScalarField k_; 00071 volScalarField epsilon_; 00072 00073 volTensorField gradU; 00074 volScalarField eta; 00075 volScalarField ksi; 00076 volScalarField Cmu; 00077 volScalarField fEta; 00078 volScalarField C5viscosity; 00079 00080 volScalarField nut_; 00081 00082 volTensorField nonlinearStress; 00083 00084 00085 public: 00086 00087 //- Runtime type information 00088 TypeName("LienCubicKE"); 00089 00090 // Constructors 00091 00092 //- from components 00093 LienCubicKE 00094 ( 00095 const volVectorField& U, 00096 const surfaceScalarField& phi, 00097 transportModel& transport 00098 ); 00099 00100 00101 // Destructor 00102 00103 ~LienCubicKE(){} 00104 00105 00106 // Member Functions 00107 00108 tmp<volScalarField> nut() const 00109 { 00110 return nut_; 00111 } 00112 00113 //- Return the effective diffusivity for k 00114 tmp<volScalarField> DkEff() const 00115 { 00116 return tmp<volScalarField> 00117 ( 00118 new volScalarField("DkEff", alphak*nut_ + nu()) 00119 ); 00120 } 00121 00122 //- Return the effective diffusivity for epsilon 00123 tmp<volScalarField> DepsilonEff() const 00124 { 00125 return tmp<volScalarField> 00126 ( 00127 new volScalarField("DepsilonEff", alphaEps*nut_ + nu()) 00128 ); 00129 } 00130 00131 tmp<volScalarField> k() const 00132 { 00133 return k_; 00134 } 00135 00136 tmp<volScalarField> epsilon() const 00137 { 00138 return epsilon_; 00139 } 00140 00141 00142 tmp<volTensorField> R() const; 00143 00144 tmp<fvVectorMatrix> divR(volVectorField& U) const; 00145 00146 void correct(); 00147 00148 //- Read turbulenceProperties dictionary 00149 bool read(); 00150 }; 00151 00152 00153 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * // 00154 00155 } // End namespace turbulenceModels 00156 } // End namespace Foam 00157 00158 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * // 00159 00160 #endif 00161 00162 // ************************************************************************* //