foam-extend4.1-coherent-io/tutorials/incompressible/RichardsonFoam/oneDimensionalSoilTransport/system/fvSolution

/*--------------------------------*- C++ -*----------------------------------*\
| =========                 |                                                 |
| \\      /  F ield         | foam-extend: Open Source CFD                    |
|  \\    /   O peration     | Version:     4.1                                |
|   \\  /    A nd           | Web:         http://www.foam-extend.org         |
|    \\/     M anipulation  |                                                 |
\*---------------------------------------------------------------------------*/
FoamFile
{
    version     2.0;
    format      ascii;
    class       dictionary;
    location    "system";
    object      fvSolution;
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //

solvers
{

    psi
    {
        solver          PCG;
        preconditioner  DIC;
        tolerance       1e-6;
        relTol          0;
    }
}

Picard
{
    nIterPicard            10; //must be strictly higher than 5 ; 10 should be the best value//
    nMaxCycle              10;
    stabilisationThreshold 10;
    precPicard             1e-4;
    tFact                  1.3; //1 means fixed time step ; should be lower than 1.5//
}

relaxationFactor
{
//    psi    0.3;
};

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