/*---------------------------------------------------------------------------*\
  =========                 |
  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
   \\    /   O peration     |
    \\  /    A nd           | Copyright held by original author
     \\/     M anipulation  |
-------------------------------------------------------------------------------
License
    This file is part of OpenFOAM.

    OpenFOAM is free software; you can redistribute it and/or modify it
    under the terms of the GNU General Public License as published by the
    Free Software Foundation; either version 2 of the License, or (at your
    option) any later version.

    OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
    FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
    for more details.

    You should have received a copy of the GNU General Public License
    along with OpenFOAM; if not, write to the Free Software Foundation,
    Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA

Global
    setInitialDeltaT

Description
    Set the initial timestep for the CHT MultiRegion solver.

\*---------------------------------------------------------------------------*/

if (adjustTimeStep)
{
    if ((runTime.timeIndex() == 0) && ((CoNum > SMALL) || (DiNum > SMALL)))
    {

        if (CoNum == -GREAT)
        {
            CoNum = SMALL;
        }

        if (DiNum == -GREAT)
        {
            DiNum = SMALL;
        }

        runTime.setDeltaT
        (
            min
            (
                min(maxCo/CoNum, maxDi/DiNum)*runTime.deltaT().value(),
                maxDeltaT
            )
        );
        Info<< "deltaT = " <<  runTime.deltaT().value() << endl;
    }
}

// ************************************************************************* //