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

#includeEtc "caseDicts/mesh/generation/snappyHexMeshDict.cfg"

castellatedMesh on;
snap            on;
addLayers       off;

geometry
{
    pipe
    {
        type closedTriSurfaceMesh;
        file "pipe.obj";
    }

    pipeWall
    {
        type closedTriSurfaceMesh;
        file "pipeWall.obj";
    }
};

castellatedMeshControls
{
    features
    (
        {
           file "pipe.eMesh";
           levels ((1 1));
        }
    );

    refinementSurfaces
    {
        pipe
        {
            level (1 1);
            patchInfo
            {
                type wall;
            }
        }
    }

    refinementRegions
    {
        pipeWall
        {
            mode    insideSpan;
            level   (1000 2);
            cellsAcrossSpan 40;
        }
    }

    insidePoint (1e-5 1e-5 1e-5);
}

snapControls
{
    // Number of patch smoothing iterations before finding correspondence
    // to surface
    nSmoothPatch 3;

    // Maximum relative distance for points to be attracted by surface.
    // True distance is this factor times local maximum edge length.
    // Note: changed(corrected) w.r.t 17x! (17x used 2* tolerance)
    tolerance 3.0;

    // Number of mesh displacement relaxation iterations.
    nSolveIter 30;

    // Maximum number of snapping relaxation iterations. Should stop
    // before upon reaching a correct mesh.
    nRelaxIter 5;

    // Feature snapping

        // Number of feature edge snapping iterations.
        // Leave out altogether to disable.
        nFeatureSnapIter 15;

        // Detect (geometric only) features by sampling the surface
        // (default=false).
        implicitFeatureSnap false;

        // Use castellatedMeshControls::features (default = true)
        explicitFeatureSnap true;

        // Detect features between multiple surfaces
        // (only for explicitFeatureSnap, default = false)
        multiRegionFeatureSnap false;
}

addLayersControls
{
    layers
    {
    }

    relativeSizes       true;
    expansionRatio      1.2;
    finalLayerThickness 0.5;
    minThickness        1e-3;
}

writeFlags
(
);

mergeTolerance 1e-6;

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