/*--------------------------------*- C++ -*----------------------------------*\
| =========                 |                                                 |
| \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox           |
|  \\    /   O peration     | Version:  2.2.0                                 |
|   \\  /    A nd           | Web:      www.OpenFOAM.org                      |
|    \\/     M anipulation  |                                                 |
\*---------------------------------------------------------------------------*/
FoamFile
{
    version     2.0;
    format      ascii;
    class       dictionary;
    object      snappyHexMeshDict;
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //


castellatedMesh true;    
snap            true;    
addLayers       false;  


geometry 
{
	Fluid.stl 
	{
		type triSurfaceMesh; 
		name Fluid;
	}
	Rohr.stl
	{
		type triSurfaceMesh;
		name Rohr;
	}
};

castellatedMeshControls
{
    maxLocalCells 1000000;
    maxGlobalCells 2000000;
    minRefinementCells 10;
    nCellsBetweenLevels 1;

    features
    (
	{
		file 	"Fluid.eMesh";
		level 	1;
	}
	{
		file	"Rohr.eMesh";
		level	1;
	}
    );

    refinementSurfaces
    {
	Fluid 
	{
	  level (1 1);
          cellZone Fluid;
          cellZoneInside inside;
	}
	Rohr
	{
		level (1 1);
		cellZone Rohr;
		cellZoneInside inside;
	}
    }  


    resolveFeatureAngle 30;

    refinementRegions 
    {
	
    }

    locationInMesh (0.001 0.001 0.01);
    allowFreeStandingZoneFaces false;
}

snapControls
{
    nSmoothPatch 3;
    tolerance 4.0;
    nSolveIter 30;
    nRelaxIter 5;
    nFeatureSnapIter 15;

	implicitFeatureSnap false;
	explicitFeatureSnap true;
	multiRegionFeatureSnap true;
}

addLayersControls
{
   
	relativeSizes true; 

    layers
    {

    }

    expansionRatio 1.2;
    finalLayerThickness 0.3;
    minThickness 0.1;
    nGrow 1; 

    featureAngle 90;
    nRelaxIter 3;
    nSmoothSurfaceNormals 1; 
    nSmoothNormals 3;
    nSmoothThickness 10; 
    maxFaceThicknessRatio 0.5;
    maxThicknessToMedialRatio 1;
    minMedianAxisAngle 90;
    nBufferCellsNoExtrude 0;
    nLayerIter 50;

}

meshQualityControls
{
    maxNonOrtho 65;
    maxBoundarySkewness 20;
    maxInternalSkewness 4;
    maxConcave 80;
    minFlatness 0.5;
    minVol 1e-13;
    minTetQuality 1e-9;
    minArea -1;
    minTwist 0.02;
    minDeterminant 0.001;
    minFaceWeight 0.02;
    minVolRatio 0.01;
    minTriangleTwist -1;

    nSmoothScale 4;
    errorReduction 0.75;
}

debug 0;

mergeTolerance 1E-6;


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