1 /*---------------------------------------------------------------------------*\
3 \\ / F ield | OpenFOAM: The Open Source CFD Toolbox
5 \\ / A nd | Copyright held by original author
7 -------------------------------------------------------------------------------
9 This file is part of OpenFOAM.
11 OpenFOAM is free software; you can redistribute it and/or modify it
12 under the terms of the GNU General Public License as published by the
13 Free Software Foundation; either version 2 of the License, or (at your
14 option) any later version.
16 OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
17 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
18 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
21 You should have received a copy of the GNU General Public License
22 along with OpenFOAM; if not, write to the Free Software Foundation,
23 Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
29 Set the initial timestep corresponding to the timestep adjustment
30 algorithm in setDeltaT
32 \*---------------------------------------------------------------------------*/
36 # include "CourantNo.H"
40 scalar maxDeltaTFact =
41 min(maxCo/(CoNum + SMALL), maxAcousticCo/(acousticCoNum + SMALL));
47 maxDeltaTFact*runTime.deltaT().value(),
54 // ************************************************************************* //