/*--------------------------------*- C++ -*----------------------------------*\
| =========                 |                                                 |
| \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox           |
|  \\    /   O peration     | Version:  dev                                   |
|   \\  /    A nd           | Web:      www.OpenFOAM.org                      |
|    \\/     M anipulation  |                                                 |
\*---------------------------------------------------------------------------*/
FoamFile
{
    version     2.0;
    format      ascii;
    class       dictionary;
    location    "system";
    object      fvSolution;
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //

solvers
{
    alpha
    {
        nAlphaSubCycles 2;
    }

    p_rgh
    {
        solver          GAMG;
        tolerance       1e-7;
        relTol          0.01;
        smoother        GaussSeidel;
        nPreSweeps      0;
        nPostSweeps     2;
        nFinestSweeps   2;
        cacheAgglomeration on;
        nCellsInCoarsestLevel 10;
        agglomerator    faceAreaPair;
        mergeLevels     1;
    }

    p_rghFinal
    {
        solver          PCG;
        preconditioner
        {
            preconditioner  GAMG;
            tolerance       1e-7;
            relTol          0;
            nVcycles        2;
            smoother        GaussSeidel;
            nPreSweeps      0;
            nPostSweeps     2;
            nFinestSweeps   2;
            cacheAgglomeration on;
            nCellsInCoarsestLevel 10;
            agglomerator    faceAreaPair;
            mergeLevels     1;
        }
        tolerance       1e-7;
        relTol          0;
        maxIter         30;
    }

    pcorr
    {
        $p_rghFinal;
        tolerance       1e-5;
        relTol          0;
    }

    U
    {
        solver          smoothSolver;
        smoother        GaussSeidel;
        tolerance       1e-8;
        relTol          0.1;
        nSweeps         1;
    }

    UFinal
    {
        $U;
        tolerance       1e-7;
        relTol          0;
    }
}

PIMPLE
{
    nOuterCorrectors     1;
    nCorrectors     3;
    nNonOrthogonalCorrectors 0;

    pRefCell        0;
    pRefValue       0;
}

relaxationFactors
{
    "U.*"           1;
}

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