00001 /*---------------------------------------------------------------------------*\ 00002 ========= | 00003 \\ / F ield | OpenFOAM: The Open Source CFD Toolbox 00004 \\ / O peration | 00005 \\ / A nd | Copyright (C) 1991-2010 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 00013 the Free Software Foundation, either version 3 of the License, or 00014 (at your 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, see <http://www.gnu.org/licenses/>. 00023 00024 Class 00025 Foam::Ergun 00026 00027 Description 00028 H, Enwald, E. Peirano, A-E Almstedt 00029 'Eulerian Two-Phase Flow Theory Applied to Fluidization' 00030 Int. J. Multiphase Flow, Vol. 22, Suppl, pp. 21-66 (1996) 00031 Eq. 104, p. 42 00032 00033 SourceFiles 00034 Ergun.C 00035 00036 \*---------------------------------------------------------------------------*/ 00037 00038 #ifndef Ergun_H 00039 #define Ergun_H 00040 00041 #include <EulerianInterfacialModels/dragModel.H> 00042 00043 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * // 00044 00045 namespace Foam 00046 { 00047 00048 /*---------------------------------------------------------------------------*\ 00049 Class Ergun Declaration 00050 \*---------------------------------------------------------------------------*/ 00051 00052 class Ergun 00053 : 00054 public dragModel 00055 { 00056 00057 public: 00058 00059 //- Runtime type information 00060 TypeName("Ergun"); 00061 00062 00063 // Constructors 00064 00065 //- Construct from components 00066 Ergun 00067 ( 00068 const dictionary& interfaceDict, 00069 const volScalarField& alpha, 00070 const phaseModel& phasea, 00071 const phaseModel& phaseb 00072 ); 00073 00074 00075 //- Destructor 00076 virtual ~Ergun(); 00077 00078 00079 // Member Functions 00080 00081 tmp<volScalarField> K(const volScalarField& Ur) const; 00082 }; 00083 00084 00085 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * // 00086 00087 } // End namespace Foam 00088 00089 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * // 00090 00091 #endif 00092 00093 // ************************ vim: set sw=4 sts=4 et: ************************ //
