foam-extend4.1-coherent-io/tutorials/solidMechanics/elasticAcpSolidFoam/crackingBiMatDcbDugdale/system/fvSolution

/*--------------------------------*- C++ -*----------------------------------*\
| =========                 |                                                 |
| \\      /  F ield         | foam-extend: Open Source CFD                    |
|  \\    /   O peration     | Version:     3.0                                |
|   \\  /    A nd           | Web:         http://www.extend-project.de       |
|    \\/     M anipulation  |                                                 |
\*---------------------------------------------------------------------------*/
FoamFile
{
    version     2.0;
    format      ascii;
    class       dictionary;
    location    "system";
    object      fvSolution;
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //

solvers
{
    U
    {
        solver          PCG;
        preconditioner  DIC;
        tolerance       1e-07;
        relTol          0.1;
    }
}

solidMechanics
{
    nCorrectors           10000;
    U                     1e-06;
    //divSigmaExp           standard;
    divSigmaExp           surface;
    //divSigmaExp           decompose;
    //divSigmaExp           laplacian;
    historyPatch          topLoading;
    solidInterfaceMethod  smallStrainCorrected;
    predictor             yes;
    infoFrequency         100;
    aitkenRelaxation      yes;
    crackLimitingBoxes    1(
			    (0 -1e-5 0)(0.06 1e-5 1)
			    );
    crackPropagationFromSpecifiedPatches no;
    crackPropagationPatches 1(crack);
    dynamicTimeStep       no;
    deltaTmin             1;
    deltaTmax             1;
    dynamicTimeStepActivation 100;
    relaxEqn              no;
}

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