openfoam/tutorials/multiphase/overInterDyMFoam/rigidBodyHull/overset-1/system/snappyHexMeshDict

/*--------------------------------*- C++ -*----------------------------------*\
| =========                 |                                                 |
| \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox           |
|  \\    /   O peration     | Version:  v2206                                 |
|   \\  /    A nd           | Website:  www.openfoam.com                      |
|    \\/     M anipulation  |                                                 |
\*---------------------------------------------------------------------------*/
FoamFile
{
    version     2.0;
    format      ascii;
    class       dictionary;
    object      snappyHexMeshDict;
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //

castellatedMesh true;
snap            true;
addLayers       false;

geometry
{
    HULL.obj
    {
        type    triSurfaceMesh;
        name    HULL ;
        regions
        {
            HULL
            {
                name    HULL;
            }
            HULL_DISK
            {
                name    HULL_DISK;
            }
        }
    }

    BoxRefinement_1
    {
        type    box;
        min     ( -3.60318 -0.20025 -0.039084 );
        max     ( -3.20311 0.20025 0.395883 );
    }

    BoxRefinement_3_hub
    {
        type    box;
        min     ( -3.54 -0.12  0.010);
        max     ( -3.34  0.12 0.26);
    }
};

castellatedMeshControls
{
    maxLocalCells   200000000;
    maxGlobalCells  300000000;
    minRefinementCells 20;
    nCellsBetweenLevels 2;
    maxLoadUnbalance 0.1;
    allowFreeStandingZoneFaces true;
    resolveFeatureAngle     30;
    features
    (
        {
            file "HULL.eMesh" ;
            level 0 ;
        }
    );

    refinementSurfaces
    {
        HULL
        {
            level (0 0);
            regions
            {
                HULL
                {
                    level (2 2);
                }
                HULL_DISK
                {
                    level (2 2);
                }
            }
        }
    }

    refinementRegions
    {
        BoxRefinement_1
        {
            mode    inside;
            levels  ((0 2));
        }

        BoxRefinement_3_hub
        {
            mode    inside;
            levels  ((5 5));
        }
    }

    locationInMesh ( 4.3245044 0.88143855 0.86520574 ) ;
}

snapControls
{
    tolerance       2;
    implicitFeatureSnap false;
    explicitFeatureSnap true;
    multiRegionFeatureSnap true;
    detectNearSurfacesSnap true;
    nSmoothPatch    3;
    nSolveIter      50;
    nRelaxIter      5;
    nFeatureSnapIter 10;
    nSmoothInternal 3;
    nFaceSplitInterval 5;
}

addLayersControls
{
    layers
    {
        "(HULL_DISK|HULL)"
        {
            nSurfaceLayers 4;
        }
    }
    relativeSizes    true ;
    expansionRatio    1.1 ;
    firstLayerThickness   0.2 ;
    featureAngle    85;
    slipFeatureAngle 30;
    nGrow           0;
    nBufferCellsNoExtrude 0;
    minMedialAxisAngle 90;
    maxFaceThicknessRatio 0.2;
    maxThicknessToMedialRatio 0.3;
    minThickness    1e-06;
    nLayerIter      50;
    nRelaxIter      5;
    nSmoothSurfaceNormals 10;
    nSmoothNormals  3;
    nSmoothThickness 10;
    nRelaxedIter    10;
    nMedialAxisIter 10;
}

meshQualityControls
{
    minVol          1e-20;
    minTetQuality   1e-20;
    minArea         1e-20;
    minTwist        0.05;
    minDeterminant  1e-06;
    minFaceWeight   0.02;
    minVolRatio     0.01;
    minTriangleTwist -1;
    minFlatness     0.5;
    maxNonOrtho     70;
    maxBoundarySkewness 20;
    maxInternalSkewness 4;
    maxConcave      80;
    nSmoothScale    4;
    errorReduction  0.75;

    relaxed
    {
        minVol          1e-30;
        minTetQuality   1e-30;
        minArea         1e-30;
        minTwist        0.001;
        minDeterminant  1e-06;
        minFaceWeight   1e-06;
        minVolRatio     0.01;
        minTriangleTwist -1;
        minFlatness     0.5;
        maxNonOrtho     75;
        maxBoundarySkewness 20;
        maxInternalSkewness 8;
        maxConcave      80;
        nSmoothScale    4;
        errorReduction  0.75;
    }
}

mergeTolerance  1e-08;

debug           0;


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