foam-extend4.1-coherent-io/tutorials/solidMechanics/elasticNonLinTLSolidFoam/nonLinBlock/system/fvSolution

/*--------------------------------*- C++ -*----------------------------------*\
| =========                 |                                                 |
| \\      /  F ield         | OpenFOAM Extend Project: Open Source CFD        |
|  \\    /   O peration     | Version:  1.6-ext                               |
|   \\  /    A nd           | Web:      www.extend-project.de                 |
|    \\/     M anipulation  |                                                 |
\*---------------------------------------------------------------------------*/
FoamFile
{
    version     2.0;
    format      ascii;
    class       dictionary;
    location    "system";
    object      fvSolution;
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //

solvers
{
    U
    {
      tolerance       1e-12;
      relTol          0.1;
      //minIter         0;
      //maxIter         1000;

      solver          PCG;
      preconditioner  DIC;

      /*
      solver                GAMG;
      smoother              GaussSeidel;
      nPreSweeps            0;
      nPostSweeps           2;
      nFinestSweeps         2;
      scaleCorrection       true;
      directSolveCoarsest   false;
      cacheAgglomeration    true;
      nCellsInCoarsestLevel 120;
      agglomerator          faceAreaPair;
      mergeLevels           1;
      */
      /*
      solver          amgSolver;
      cycle           W-cycle;
      policy          AAMG;
      nPreSweeps      0;
      nPostSweeps     2;
      groupSize       4;
      minCoarseEqns   20;
      nMaxLevels      100;
      scale           on;
      smoother        ILU;
      */
    }
}

stressedFoam
{
    nCorrectors             10000;
    U                       1e-11;
}

relaxationFactors
{
  U   0.9;
}
// ************************************************************************* //