/*--------------------------------*- 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
{
    BLADES.obj
    {
        type    triSurfaceMesh;
        name    BLADES;
    }

    HUB.obj
    {
        type    triSurfaceMesh;
        name    HUB;
        regions
        {

            HUB      { name HUB; }
            HUB_DISK { name HUB_DISK; }
        }
    }

    MRF_REGION.obj
    {
        type    triSurfaceMesh;
        name    MRF_REGION;
    }

    BoxRefinement_3
    {
        type    box;
        min     ( -4  -0.135 0.0085 );
        max     ( -3.3 0.135 0.26 );
    }
};

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

    refinementSurfaces
    {
        MRF_REGION
        {
            level (2  2);
        }

        HUB
        {
            level (2  2);
        }
        BLADES
        {
            level (2  4);
        }
    }

    refinementRegions
    {
    }

    locationInMesh  (-3.50  0.0  0.23);
}

snapControls
{
    tolerance       4;
    implicitFeatureSnap true;
    explicitFeatureSnap false;
    multiRegionFeatureSnap true;

    nSmoothPatch     5;
    nSolveIter      100;
    nRelaxIter       5;
    nFeatureSnapIter 15;
    nSmoothInternal  3;
}

addLayersControls
{
    layers
    {
        HUB
        {
            nSurfaceLayers 3;
            firstLayerThickness 0.2;
            expansionRatio 1.2;
        }
        BLADES
        {
            nSurfaceLayers 3;
            firstLayerThickness 0.2;
            expansionRatio 1.2;
        }
        HUB_DISK
        {
            nSurfaceLayers 3;
            firstLayerThickness 0.1;
            expansionRatio 1.2;
        }
    }
    relativeSizes    true ;
    expansionRatio    1.2 ;
    firstLayerThickness   0.1 ;
    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-25;
    minTetQuality   1e-25;
    minArea         1e-20;
    minTwist        0.001;
    minDeterminant  1e-06;
    minFaceWeight   0.05;
    minVolRatio     0.001;
    minTriangleTwist -1;
    minFlatness     0.5;
    maxNonOrtho     70;
    maxBoundarySkewness 20;
    maxInternalSkewness 4;
    maxConcave      80;
    nSmoothScale    4;
    errorReduction  0.75;
    maxNonOrtho     70;

    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;


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