openfoam/tutorials/mesh/snappyHexMesh/iglooWithFridges/system/snappyHexMeshDict

/*--------------------------------*- C++ -*----------------------------------*\
| =========                 |                                                 |
| \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox           |
|  \\    /   O peration     | Version:  1.5                                   |
|   \\  /    A nd           | Web:      www.OpenFOAM.org                      |
|    \\/     M anipulation  |                                                 |
\*---------------------------------------------------------------------------*/
FoamFile
{
    version     2.0;
    format      ascii;
    class       dictionary;
    location    "system";
    object      snappyHexMeshDict;
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //

castellatedMesh true;

snap            true;

addLayers       true;

geometry
{
    fridgeA
    {
        type            searchableBox;
        min             ( 2 2 0 );
        max             ( 3 3 2 );
    }

    fridgeB
    {
        type            searchableBox;
        min             ( 3.5 3 0 );
        max             ( 4.3 3.8 1.8 );
    }

    igloo
    {
        type            searchableSphere;
        centre          ( 3 3 0 );
        radius          4;
    }
}

castellatedMeshControls
{
    maxLocalCells   1000000;
    maxGlobalCells  2000000;
    minRefinementCells 0;
    nCellsBetweenLevels 1;
    features        ( );
    refinementSurfaces
    {
        fridgeA
        {
            level           ( 2 2 );
        }

        fridgeB
        {
            level           ( 2 2 );
        }

        igloo
        {
            level           ( 1 1 );
        }
    }

    resolveFeatureAngle 60;
    refinementRegions
    {
    }

    locationInMesh  ( 3 0.28 0.43 );
}

snapControls
{
    nSmoothPatch    3;
    tolerance       4;
    nSolveIter      30;
    nRelaxIter      5;
}

addLayersControls
{
    layers
    {
        fridgeA_region0
        {
            nSurfaceLayers  1;
        }

        fridgeB_region0
        {
            nSurfaceLayers  1;
        }

        igloo_region0
        {
            nSurfaceLayers  1;
        }
    }

    expansionRatio  1;
    finalLayerRatio 0.5;
    minThickness    0.25;
    nGrow           0;
    featureAngle    60;
    nRelaxIter      5;
    nSmoothSurfaceNormals 1;
    nSmoothNormals  3;
    nSmoothThickness 10;
    maxFaceThicknessRatio 0.5;
    maxThicknessToMedialRatio 0.3;
    minMedianAxisAngle 130;
    nBufferCellsNoExtrude 0;
}

meshQualityControls
{
    maxNonOrtho     65;
    maxBoundarySkewness 20;
    maxInternalSkewness 4;
    maxConcave      80;
    minFlatness     0.5;
    minVol          1e-13;
    minArea         -1;
    minTwist        0.05;
    minDeterminant  0.001;
    minFaceWeight   0.05;
    minVolRatio     0.01;
    minTriangleTwist -1;
    nSmoothScale    4;
    errorReduction  0.75;
}

debug           0;

mergeTolerance  1e-06;


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