/*---------------------------------------------------------------------------*\
  =========                 |
  \\      /  F ield         | foam-extend: Open Source CFD
   \\    /   O peration     | Version:     4.1
    \\  /    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
    dieselEngineFoam

Description
    Solver for diesel engine spray and combustion.

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

#include "fvCFD.H"
#include "engineTime.H"
#include "engineMesh.H"
#include "hCombustionThermo.H"
#include "turbulenceModel.H"
#include "spray.H"
#include "psiChemistryModel.H"
#include "chemistrySolver.H"
#include "multivariateScheme.H"
#include "Switch.H"
#include "OFstream.H"
#include "volPointInterpolation.H"
#include "thermoPhysicsTypes.H"
#include "pimpleControl.H"

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

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

    pimpleControl pimple(mesh);

#   include "createFields.H"
#   include "readGravitationalAcceleration.H"
#   include "readCombustionProperties.H"
#   include "createSpray.H"
#   include "initContinuityErrs.H"
#   include "createTimeControls.H"
#   include "readEngineTimeControls.H"
#   include "compressibleCourantNo.H"
#   include "setInitialDeltaT.H"
#   include "startSummary.H"

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

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

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

        runTime++;

        Info<< "Crank angle = " << runTime.theta() << " CA-deg" << endl;

        mesh.move();

        dieselSpray.evolve();

        Info<< "Solving chemistry" << endl;

        chemistry.solve
        (
            runTime.value() - runTime.deltaT().value(),
            runTime.deltaT().value()
        );

        // turbulent time scale
        {
            volScalarField tk =
                Cmix*sqrt(turbulence->muEff()/rho/turbulence->epsilon());
            volScalarField tc = chemistry.tc();

            //Chalmers PaSR model
            kappa = (runTime.deltaT() + tc)/(runTime.deltaT() + tc + tk);
        }

        chemistrySh = kappa*chemistry.Sh()();

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

        while (pimple.loop())
        {
#           include "YEqn.H"
#           include "hsEqn.H"

            // --- PISO loop
            while (pimple.correct())
            {
#               include "pEqn.H"
            }
        }

        turbulence->correct();

#       include "logSummary.H"
#       include "spraySummary.H"

        rho = thermo.rho();

        if (runTime.write())
        {
            chemistry.dQ()().write();
        }

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

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

    return 0;
}


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