/*---------------------------------------------------------------------------*\
  =========                 |
  \\      /  F ield         | foam-extend: Open Source CFD
   \\    /   O peration     | Version:     3.2
    \\  /    A nd           | Web:         http://www.foam-extend.org
     \\/     M anipulation  | For copyright notice see file Copyright
-------------------------------------------------------------------------------
License
    This file is part of foam-extend.

    foam-extend 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.

    foam-extend 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 foam-extend.  If not, see <http://www.gnu.org/licenses/>.

Application
    sonicDyMFoam

Description
    Transient solver for trans-sonic/supersonic for laminar or flow of a
    compressible gas with support for mesh motion and topological changes

    Uses the flexible PIMPLE (PISO-SIMPLE) solution for time-resolved and
    pseudo-transient simulations.

    Updated from sonicFoamAutoMotion by Hrvoje Jasak

Author
    Hrvoje Jasak, Wikki Ltd.  All rights reserved.

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

#include "fvCFD.H"
#include "dynamicFvMesh.H"
#include "specie.H"
#include "basicPsiThermo.H"
#include "turbulenceModel.H"

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

int main(int argc, char *argv[])
{
#   include "setRootCase.H"

#   include "createTime.H"
#   include "createDynamicFvMesh.H"
#   include "createFields.H"
#   include "initContinuityErrs.H"

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

    Info<< "\nStarting time loop\n" << endl;

    while (runTime.run())
    {
#       include "readControls.H"
#       include "readFieldBounds.H"
#       include "compressibleCourantNo.H"
#       include "setDeltaT.H"

        runTime++;

        Info<< "Time = " << runTime.timeName() << nl << endl;

        bool meshChanged = mesh.update();

#       include "volContinuity.H"

        if (checkMeshCourantNo)
        {
#           include "meshCourantNo.H"
        }

        // Mesh motion update
        if (meshChanged)
        {
            T.correctBoundaryConditions();
            p.correctBoundaryConditions();
            e.correctBoundaryConditions();
            thermo.correct();
            rho = thermo.rho();

            if (correctPhi)
            {
// #           include "correctPhi.H"
            }
        }

        if (meshChanged)
        {
#           include "compressibleCourantNo.H"
        }

        // --- PIMPLE loop
        label oCorr = 0;
        do
        {
            // Under-relax pDivU term
            pDivU.storePrevIter();

            pDivU =
                p*fvc::div
                (
                    phi/fvc::interpolate(rho)
                  + fvc::meshPhi(rho, U)
                );

            pDivU.relax();

#           include "rhoEqn.H"
#           include "eEqn.H"
#           include "UEqn.H"

            // --- PISO loop
            for (int corr = 0; corr < nCorr; corr++)
            {
#               include "pEqn.H"
            }

            // Recalculate density
            rho = thermo.rho();

            turbulence->correct();
        } while (++oCorr < nOuterCorr);

        runTime.write();

        Info<< "ExecutionTime = " << runTime.elapsedCpuTime() << " s"
            << "  ClockTime = " << runTime.elapsedClockTime() << " s"
            << nl << endl;
    }

    Info<< "End\n" << endl;

    return(0);
}


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