openfoam/tutorials/compressible/rhoPimpleFoam/RAS/annularThermalMixer/system/snappyHexMeshDict

/*--------------------------------*- C++ -*----------------------------------*\
| =========                 |                                                 |
| \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox           |
|  \\    /   O peration     | Version:  v1806                                 |
|   \\  /    A nd           | Web:      www.OpenFOAM.com                      |
|    \\/     M anipulation  |                                                 |
\*---------------------------------------------------------------------------*/
FoamFile
{
    version     2.0;
    format      ascii;
    class       dictionary;
    object      snappyHexMeshDict;
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //

castellatedMesh true;
snap            true;
addLayers       false;

geometry
{
    AMI.obj
    {
        type        triSurfaceMesh;
        name        AMI;
    }

    innerInlet.obj
    {
        type        triSurfaceMesh;
        name        innerInlet;
    }

    outerInlet.obj
    {
        type        triSurfaceMesh;
        name        outerInlet;
    }

    innerOutlet.obj
    {
        type        triSurfaceMesh;
        name        innerOutlet;
    }

    outerOutlet.obj
    {
        type        triSurfaceMesh;
        name        outerOutlet;
    }

    rotorBlades.obj
    {
        type        triSurfaceMesh;
        name        rotorBlades;
    }

    shaft.obj
    {
        type        triSurfaceMesh;
        name        shaft;
    }

    statorBlades.obj
    {
        type        triSurfaceMesh;
        name        statorBlades;
    }

    wall.obj
    {
        type        triSurfaceMesh;
        name        walls;
    }
}

castellatedMeshControls
{
    maxLocalCells 100000;
    maxGlobalCells 2000000;
    minRefinementCells 0;
    maxLoadUnbalance 0.10;
    nCellsBetweenLevels 2;

    features
    (
        {
            file        "AMI.eMesh";
            level       2;
        }
        {
            file        "rotorBlades.eMesh";
            level       2;
        }
        {
            file        "shaft.eMesh";
            level       1;
        }
        {
            file        "statorBlades.eMesh";
            level       2;
        }
        {
            file        "wall.eMesh";
            level       1;
        }
    );

    refinementSurfaces
    {
        AMI
        {
            level           (2 2);
            faceZone        rotatingZone;
            cellZone        rotatingZone;
            cellZoneInside  insidePoint;
            insidePoint     (-0.0295299 0.00662614 0.1);
        }

        innerInlet
        {
            level       (1 1);
            patchInfo
            {
                type patch;
                inGroups (inlet);
            }
        }

        outerInlet
        {
            level       (1 1);
            patchInfo
            {
                type patch;
                inGroups (inlet);
            }
        }

        innerOutlet
        {
            level       (1 1);
            patchInfo
            {
                type patch;
                inGroups (outlet);
            }
        }

        outerOutlet
        {
            level       (1 1);
            patchInfo
            {
                type patch;
                inGroups (outlet);
            }
        }

        rotorBlades
        {
            level       (2 2);
            patchInfo
            {
                type wall;
                inGroups (movingWalls);
            }
            faceZone rotorBlades;
            faceType baffle;
        }

        shaft
        {
            level       (1 1);
            patchInfo
            {
                type wall;
                inGroups (movingWalls);
            }
        }

        statorBlades
        {
            level       (2 2);
            patchInfo
            {
                type wall;
                inGroups (staticWalls);
            }
            faceZone statorBlades;
            faceType baffle;
        }

        walls
        {
            level       (1 1);
            patchInfo
            {
                type wall;
                inGroups (staticWalls);
            }
        }
    }

    resolveFeatureAngle 30;

    refinementRegions
    {
    }

    locationInMesh (0.035 0.043 0.017);

    allowFreeStandingZoneFaces true;
}

snapControls
{
    nSmoothPatch 3;
    tolerance 1.0;
    nSolveIter 100;
    nRelaxIter 5;
    nFeatureSnapIter 5;
}

addLayersControls
{
    relativeSizes true;
    layers
    {
    }
    expansionRatio 1.0;
    finalLayerThickness 0.3;
    minThickness 0.1;
    nGrow 0;
    featureAngle 30;
    nRelaxIter 3;
    nSmoothSurfaceNormals 1;
    nSmoothNormals 3;
    nSmoothThickness 10;
    maxFaceThicknessRatio 0.5;
    maxThicknessToMedialRatio 0.3;
    minMedialAxisAngle 90;
    nBufferCellsNoExtrude 0;
    nLayerIter 50;
}

meshQualityControls
{
    maxNonOrtho 65;

    maxBoundarySkewness 20;
    maxInternalSkewness 4;

    maxConcave 80;
    minVol 1e-13;
    minTetQuality -1;
    minArea -1;
    minTwist 0.01;
    minDeterminant 0.001;
    minFaceWeight 0.05;
    minVolRatio 0.01;
    minTriangleTwist -1;
    nSmoothScale 4;
    errorReduction 0.75;
    relaxed
    {
        maxNonOrtho 75;
    }
}

mergeTolerance 1e-6;

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