foam-extend4.1-coherent-io/tutorials/multiphase/compressibleInterFoam/depthCharge2D/system/fvSolution

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

solvers
{
    pcorr PCG
    {
        preconditioner
        {
            type             GAMG;
            tolerance        1e-5;
            relTol           0;

            smoother         DICGaussSeidel;
            nPreSweeps       0;
            nPostSweeps      2;
            nBottomSweeps    2;

            cacheAgglomeration false;
            nCellsInCoarsestLevel 10;
            agglomerator     faceAreaPair;
            mergeLevels      1;
        };

        tolerance        1e-5;
        relTol           0;
        maxIter          100;
    };

    rho diagonal
    {};

    pd GAMG
    {
        tolerance        1e-7;
        relTol           0.01;

        smoother         DIC; //GaussSeidel;
        nPreSweeps       0;
        nPostSweeps      2;
        nFinestSweeps    2;

        cacheAgglomeration true;
        nCellsInCoarsestLevel 10;
        agglomerator     faceAreaPair;
        mergeLevels      1;
    };

    pdFinal PCG
    {
        preconditioner
        {
            type             GAMG;
            tolerance        1e-7;
            relTol           0;

            nVcycles         2;

            smoother         DICGaussSeidel;
            nPreSweeps       2;
            nPostSweeps      2;
            nFinestSweeps    2;

            cacheAgglomeration true;
            nCellsInCoarsestLevel 10;
            agglomerator     faceAreaPair;
            mergeLevels      1;
        };

        tolerance        1e-7;
        relTol           0;
        maxIter          20;
    };

    U smoothSolver
    {
        smoother         GaussSeidel;
        tolerance        1e-6;
        relTol           0;
        nSweeps          1;
    };

    k PBiCG
    {
        preconditioner   DILU;
        tolerance        1e-08;
        relTol           0;
    };
    B PBiCG
    {
        preconditioner   DILU;
        tolerance        1e-08;
        relTol           0;
    };
    nuTilda PBiCG
    {
        preconditioner   DILU;
        tolerance        1e-08;
        relTol           0;
    };
}

PISO
{
    momentumPredictor no;
    transSonic      no;
    nOuterCorrectors 3;
    nCorrectors     1;
    nNonOrthogonalCorrectors 0;
    nAlphaCorr      1;
    nAlphaSubCycles 1;
    cGamma          1;
}

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