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 "compressibleCourantNo.H" 00027 #include <finiteVolume/fvc.H> 00028 00029 Foam::scalar Foam::compressibleCourantNo 00030 ( 00031 const fvMesh& mesh, 00032 const Time& runTime, 00033 const volScalarField& rho, 00034 const surfaceScalarField& phi 00035 ) 00036 { 00037 scalar CoNum = 0.0; 00038 scalar meanCoNum = 0.0; 00039 00040 //- Can have fluid domains with 0 cells so do not test. 00041 //if (mesh.nInternalFaces()) 00042 { 00043 surfaceScalarField SfUfbyDelta = 00044 mesh.surfaceInterpolation::deltaCoeffs() 00045 * mag(phi) 00046 / fvc::interpolate(rho); 00047 00048 CoNum = max(SfUfbyDelta/mesh.magSf()) 00049 .value()*runTime.deltaT().value(); 00050 00051 meanCoNum = (sum(SfUfbyDelta)/sum(mesh.magSf())) 00052 .value()*runTime.deltaT().value(); 00053 } 00054 00055 Info<< "Region: " << mesh.name() << " Courant Number mean: " << meanCoNum 00056 << " max: " << CoNum << endl; 00057 00058 return CoNum; 00059 } 00060 00061 00062 // ************************ vim: set sw=4 sts=4 et: ************************ //
