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 \*---------------------------------------------------------------------------*/ 00025 00026 #include "SyamlalViscosity.H" 00027 #include <OpenFOAM/mathematicalConstants.H> 00028 #include <OpenFOAM/addToRunTimeSelectionTable.H> 00029 00030 // * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * // 00031 00032 namespace Foam 00033 { 00034 namespace kineticTheoryModels 00035 { 00036 defineTypeNameAndDebug(SyamlalViscosity, 0); 00037 addToRunTimeSelectionTable(viscosityModel, SyamlalViscosity, dictionary); 00038 } 00039 } 00040 00041 00042 // * * * * * * * * * * * * * * * * Constructors * * * * * * * * * * * * * * // 00043 00044 Foam::kineticTheoryModels::SyamlalViscosity::SyamlalViscosity 00045 ( 00046 const dictionary& dict 00047 ) 00048 : 00049 viscosityModel(dict) 00050 {} 00051 00052 00053 // * * * * * * * * * * * * * * * * Destructor * * * * * * * * * * * * * * * // 00054 00055 Foam::kineticTheoryModels::SyamlalViscosity::~SyamlalViscosity() 00056 {} 00057 00058 00059 // * * * * * * * * * * * * * * * Member Functions * * * * * * * * * * * * * // 00060 00061 Foam::tmp<Foam::volScalarField> Foam::kineticTheoryModels::SyamlalViscosity::mua 00062 ( 00063 const volScalarField& alpha, 00064 const volScalarField& Theta, 00065 const volScalarField& g0, 00066 const dimensionedScalar& rhoa, 00067 const dimensionedScalar& da, 00068 const dimensionedScalar& e 00069 ) const 00070 { 00071 const scalar sqrtPi = sqrt(mathematicalConstant::pi); 00072 00073 return rhoa*da*sqrt(Theta)* 00074 ( 00075 (4.0/5.0)*sqr(alpha)*g0*(1.0 + e)/sqrtPi 00076 + (1.0/15.0)*sqrtPi*g0*(1.0 + e)*(3.0*e - 1.0)*sqr(alpha)/(3.0 - e) 00077 + (1.0/6.0)*alpha*sqrtPi/(3.0 - e) 00078 ); 00079 } 00080 00081 00082 // ************************ vim: set sw=4 sts=4 et: ************************ //
