foam-extend4.1-coherent-io/applications/solvers/coupled/pUCoupledFoam/pUCoupledFoam.C

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License
    This file is part of OpenFOAM.

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Application
    pUCoupledFoam

Description
    Steady-state solver for incompressible, turbulent flow, with implicit
    coupling between pressure and velocity achieved by fvBlockMatrix.
    Turbulence is in this version solved using the existing turbulence
    structure.

Authors
    Klas Jareteg, Chalmers University of Technology,
    Vuko Vukcevic, FMENA Zagreb.

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

#include "fvCFD.H"
#include "fvBlockMatrix.H"
#include "singlePhaseTransportModel.H"
#include "RASModel.H"

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

int main(int argc, char *argv[])
{

#   include "setRootCase.H"
#   include "createTime.H"
#   include "createMesh.H"
#   include "createFields.H"
#   include "initContinuityErrs.H"
#   include "readBlockSolverControls.H"

    Info<< "\nStarting time loop\n" << endl;
    while (runTime.loop())
    {
        Info<< "Time = " << runTime.timeName() << nl << endl;

        p.storePrevIter();

        // Initialize the Up block system (matrix, source and reference to Up)
        fvBlockMatrix<vector4> UpEqn(Up);

        // Assemble and insert momentum equation
#       include "UEqn.H"

        // Assemble and insert pressure equation
#       include "pEqn.H"

        // Assemble and insert coupling terms
#       include "couplingTerms.H"

        // Solve the block matrix
        UpEqn.solve();

        // Retrieve solution
        UpEqn.retrieveSolution(0, U.internalField());
        UpEqn.retrieveSolution(3, p.internalField());

        U.correctBoundaryConditions();
        p.correctBoundaryConditions();

        phi = (fvc::interpolate(U) & mesh.Sf()) + pEqn.flux() + presSource;

#       include "continuityErrs.H"

        p.relax();

        turbulence->correct();
        runTime.write();

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

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

    return 0;
}