snappyHexMeshDict

/*--------------------------------------------------------------------------------*\
 _______  .______        ______   .__   __.  _______      ______  _______  _______
|       \ |   _  \      /  __  \  |  \ |  | |   ____|    /      ||   ____||       \
|  .--.  ||  |_)  |    |  |  |  | |   \|  | |  |__      |  ,----'|  |__   |  .--.  |
|  |  |  ||      /     |  |  |  | |  . `  | |   __|     |  |     |   __|  |  |  |  |
|  '--'  ||  |\  \----.|  `--'  | |  |\   | |  |____    |  `----.|  |     |  '--'  |
|_______/ | _| `._____| \______/  |__| \__| |_______|    \______||__|     |_______/
                                                                                    
\*--------------------------------------------------------------------------------*/
FoamFile
    {
        version 2.0;
        format ascii;
        class dictionary;
        location system;
        object snappyHexMeshDict;
    }
    nFeatureSnapIter 5;
    implicitFeatureSnap false;
    explicitFeatureSnap true;
    multiRegionFeatureSnap false;
    castellatedMesh true;
    snap true;
    addLayers true;
    geometry
    {
        Aircraft.stl
        {
            type triSurfaceMesh;
            name Aircraft;
        }
    }

    castellatedMeshControls
    {
        features
            (
                {
                    file "Aircraft.eMesh";
                    level 9;
                }
            );
        refinementSurfaces
            {
                Aircraft
                {
                    level ( 6 8 );
                }

            }

        refinementRegions
        {

            Aircraft
                {
                    mode distance;
                    levels ((0.05 6) (0.15 5) (0.5 4) (1.5 3));
                }

        }

        locationInMesh ( 1 0.5 0.0134 );
        maxLocalCells 100000;
        maxGlobalCells 20000000;
        minRefinementCells 20;
        nCellsBetweenLevels 4;
        resolveFeatureAngle 30;
        allowFreeStandingZoneFaces false;
        maxLoadUnbalance 0.1;
    }

    snapControls
        {
            nSolveIter 30;
            nSmoothPatch 6;
            tolerance 4.0;
            nRelaxIter 5;
            nFeatureSnapIter 20;
        }

addLayersControls
    {
        relativeSizes true;
        layers
            {
                Aircraft
                {
                    nSurfaceLayers 5;
                }
            }
        expansionRatio 1.5;
        finalLayerThickness 0.15;
        minThickness 0.05;
        nGrow 0;
        featureAngle 180;
        nRelaxIter 5;
        nSmoothSurfaceNormals 20;
        nSmoothNormals 20;
        nSmoothThickness 20;
        maxFaceThicknessRatio 0.8;
        maxThicknessToMedialRatio 0.9;
        minMedianAxisAngle 90;
        nBufferCellsNoExtrude 0;
        nLayerIter 20;
    }

meshQualityControls
    {

        maxNonOrtho 65;
        maxBoundarySkewness 20;
        maxInternalSkewness 4;
        maxConcave 80;
        minVol 1e-13;
        minTetQuality 1e-15;
        minArea -1;
        minTwist 0.02;
        minDeterminant 0.001;
        minFaceWeight 0.05;
        minVolRatio 0.01;
        minTriangleTwist -1;
        nSmoothScale 4;
        errorReduction 0.75;

    }

    debug 0;
    mergeTolerance 1E-6;
    autoBlockMesh false;