setInitialMultiRegionDeltaT.H

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/*---------------------------------------------------------------------------*\
  =========                 |
  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
   \\    /   O peration     |
    \\  /    A nd           | Copyright (C) 2011-2016 OpenFOAM Foundation
     \\/     M anipulation  |
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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 3 of the License, or
    (at your option) any later version.

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    You should have received a copy of the GNU General Public License
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Global
    setInitialMultiRegionDeltaT

Description
    Set the initial timestep for the CHT MultiRegion solver.

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

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

        if (DiNum < SMALL)
        {
            DiNum = SMALL;
        }

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

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