driftFluxFoam.C

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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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    for more details.

    You should have received a copy of the GNU General Public License
    along with OpenFOAM.  If not, see <http://www.gnu.org/licenses/>.

Application
    driftFluxFoam

Description
    Solver for 2 incompressible fluids using the mixture approach with the
    drift-flux approximation for relative motion of the phases.

    Used for simulating the settling of the dispersed phase and other similar
    separation problems.

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

#include "fvCFD.H"
#include "CMULES.H"
#include "subCycle.H"
#include "incompressibleTwoPhaseInteractingMixture.H"
#include "relativeVelocityModel.H"
#include "turbulenceModel.H"
#include "CompressibleTurbulenceModel.H"
#include "pimpleControl.H"
#include "fvOptions.H"
#include "gaussLaplacianScheme.H"
#include "uncorrectedSnGrad.H"

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

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

    #include "setRootCaseLists.H"
    #include "createTime.H"
    #include "createMesh.H"
    #include "createControl.H"
    #include "createTimeControls.H"
    #include "createFields.H"
    #include "initContinuityErrs.H"

    volScalarField& alpha2(mixture.alpha2());
    const dimensionedScalar& rho1 = mixture.rhod();
    const dimensionedScalar& rho2 = mixture.rhoc();
    relativeVelocityModel& UdmModel(UdmModelPtr());

    turbulence->validate();

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

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

    while (runTime.run())
    {
        #include "readTimeControls.H"
        #include "CourantNo.H"
        #include "setDeltaT.H"

        runTime++;

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

        // --- Pressure-velocity PIMPLE corrector loop
        while (pimple.loop())
        {
            #include "alphaControls.H"

            UdmModel.correct();

            #include "alphaEqnSubCycle.H"

            mixture.correct();

            #include "UEqn.H"

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

            if (pimple.turbCorr())
            {
                turbulence->correct();
            }
        }

        runTime.write();

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

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

    return 0;
}


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