openfoam/tutorials/mesh/cvMesh/flange/system/cvMeshDict

/*--------------------------------*- C++ -*----------------------------------*\
| =========                 |                                                 |
| \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox           |
|  \\    /   O peration     | Version:  dev                                   |
|   \\  /    A nd           | Web:      www.OpenFOAM.org                      |
|    \\/     M anipulation  |                                                 |
\*---------------------------------------------------------------------------*/

FoamFile
{
    version         2.0;
    format          ascii;

    root            "";
    case            "";
    instance        "";
    local           "";

    class           dictionary;
    object          cvMeshDict;
}

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

// Any scalar with a name <name>Coeff specifies a value that will be implemented
// as a faction of the local target cell size

geometry
{
    flange.obj
    {
        type triSurfaceMesh;
    }
}


backgroundMeshDecomposition
{
    minLevels 1;
    sampleResolution 4;
    spanScale 5;
    maxCellWeightCoeff 10;
}


surfaceConformation
{
    locationInMesh                      (0 0 0);

    pointPairDistanceCoeff              0.1;

    mixedFeaturePointPPDistanceCoeff    5.0;

    featurePointExclusionDistanceCoeff  0.7;

    featureEdgeExclusionDistanceCoeff   0.7;

    surfaceSearchDistanceCoeff          5;

    maxSurfaceProtrusionCoeff           0.1;

    maxQuadAngle                        125;

    surfaceConformationRebuildFrequency 10;

    specialiseFeaturePoints             on;

    conformationControls
    {
        edgeSearchDistCoeff             5;
        surfacePtReplaceDistCoeff       0.5;
        surfacePtExclusionDistanceCoeff 0.5;

        maxIterations                   15;

        iterationToInitialHitRatioLimit 0.0001;
    }

    geometryToConformTo
    {
        flange.obj
        {
            featureMethod    extendedFeatureEdgeMesh;
            extendedFeatureEdgeMesh  "flange.extendedFeatureEdgeMesh";
        }
    }

    additionalFeatures
    {
    }
}


initialPoints
{
    minimumSurfaceDistanceCoeff 0.55;

    initialPointsMethod         autoDensity;
    //initialPointsMethod         pointFile;

    autoDensityCoeffs
    {
        minLevels 1;
        maxSizeRatio 3.0;
        sampleResolution 4;
        surfaceSampleResolution 5;
    }

    pointFileCoeffs
    {
        pointFile              "constant/internalDelaunayVertices";
    }
}


motionControl
{
    defaultCellSize     0.001;

    //cellShapeControl    constantControl;
    //cellShapeControl    fileControl;
    cellShapeControl    surfaceControl;

    constantControlCoeffs
    {
        cellSize      0.05;
        cellAlignment (1 1 0 0 1 0 0 1 1);
    }

    fileControlCoeffs
    {
        pointFile       "";
        sizesFile       "";
        alignmentsFile  "";
    }

    surfaceControlCoeffs
    //cellSizeControlGeometry
    {
        flange.obj
        {
            priority            1;
            mode                inside;
            surfaceCellSizeFunction uniformValue;
            uniformValueCoeffs
            {
                surfaceCellSize     0.001;
            }

            cellSizeFunction    uniform;
            uniformCoeffs{}
        }
    }

    cellAspectRatioControl
    {
        aspectRatio                 1.0;
        aspectRatioDirection        (0 0 0);
    }

    relaxationModel     adaptiveLinear;

    adaptiveLinearCoeffs
    {
        relaxationStart 1.0;
        relaxationEnd   0.0;
    }

    objOutput                   no;

    timeChecks                  no;

    maxLoadUnbalance            0.05;

    alignmentSearchSpokes       36;

    alignmentAcceptanceAngle    48;

    sizeAndAlignmentRebuildFrequency 20;

    pointInsertionCriteria
    {
        cellCentreDistCoeff     1.75;
        faceAreaRatioCoeff      0.0025;
        acceptanceAngle         21.5;
    }

    pointRemovalCriteria
    {
        cellCentreDistCoeff  0.65;
    }

    faceAreaWeightModel piecewiseLinearRamp;

    piecewiseLinearRampCoeffs
    {
        lowerAreaFraction       0.5;
        upperAreaFraction       1.0;
    }
}


polyMeshFiltering
{
    filterEdges                 on;
    filterFaces                 on;
    writeTetDualMesh            false;
}


meshQualityControls
{
    #include "meshQualityDict"
}


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