00001 /*---------------------------------------------------------------------------*\ 00002 ========= | 00003 \\ / F ield | OpenFOAM: The Open Source CFD Toolbox 00004 \\ / O peration | 00005 \\ / A nd | Copyright (C) 2010-2010 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 Global 00025 setInitialDeltaT 00026 00027 Description 00028 Set the initial timestep for the CHT MultiRegion solver. 00029 00030 \*---------------------------------------------------------------------------*/ 00031 00032 if (adjustTimeStep) 00033 { 00034 if ((runTime.timeIndex() == 0) && ((CoNum > SMALL) || (DiNum > SMALL))) 00035 { 00036 if (CoNum < SMALL) 00037 { 00038 CoNum = SMALL; 00039 } 00040 00041 if (DiNum < SMALL) 00042 { 00043 DiNum = SMALL; 00044 } 00045 00046 runTime.setDeltaT 00047 ( 00048 min 00049 ( 00050 min(maxCo/CoNum, maxDi/DiNum)*runTime.deltaT().value(), 00051 maxDeltaT 00052 ) 00053 ); 00054 Info<< "deltaT = " << runTime.deltaT().value() << endl; 00055 } 00056 } 00057 00058 // ************************ vim: set sw=4 sts=4 et: ************************ //
