CFD Online Discussion Forums - [snappyHexMesh] snappyHexMesh refinement issue

Hi everyone, I am using SHM to mesh an stl file I generated. After running snappy I dont get the meshing I expected.

As you see in the picture below some cells are coarser than the others. I want all of it to be same
Attachment 72654

My snappyHexMeshDict is as below:
Code:
/*--------------------------------*- C++ -*----------------------------------*\

| =========                 |                                                 |

| \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox           |

|  \\    /   O peration     | Version:  4.1                                   |

|   \\  /    A nd           | Web:      www.OpenFOAM.org                      |

|    \\/     M anipulation  |                                                 |

\*---------------------------------------------------------------------------*/

FoamFile

{

    version     2.0;

    format      ascii;

    class       dictionary;

    object      snappyHexMeshDict;

}

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



// Which of the steps to run

castellatedMesh true;

snap            true;

addLayers       false;



geometry

{

    baffle03.stl

    {

        type triSurfaceMesh;

        name baffle;

    }

};





castellatedMeshControls

{

    maxLocalCells 300000;



    maxGlobalCells 5000000;



    minRefinementCells 0;



    maxLoadUnbalance 0.10;



    nCellsBetweenLevels 2;



    features

    (

        {

                file "baffle03.eMesh";

                level 5;

        }

    );



    refinementSurfaces

    {

        baffle

        {

            level (5 5);

            patchInfo

            {

                type wall;

            }

        }

    }



    resolveFeatureAngle 30;



    refinementRegions

    {

    }



    locationInMesh (0.001 -0.001 0.001);



    allowFreeStandingZoneFaces true;

}



snapControls

{



    nSmoothPatch 3;



    tolerance 2.0;



    nSolveIter 300;



    nRelaxIter 5;



        nFeatureSnapIter 10;



        implicitFeatureSnap true;



        explicitFeatureSnap false;



        multiRegionFeatureSnap false;

}



addLayersControls

{



    relativeSizes true;



    layers

    {



    }



    expansionRatio 1.0;



    finalLayerThickness 0.5;



    minThickness 0.2;



    nGrow 0;



    featureAngle 30;



    slipFeatureAngle 30;



    nRelaxIter 5;



    nSmoothSurfaceNormals 1;



    nSmoothNormals 3;



    nSmoothThickness 10;



    maxFaceThicknessRatio 0.5;



    maxThicknessToMedialRatio 0.3;



    minMedianAxisAngle 90;



    nBufferCellsNoExtrude 0;



    nLayerIter 50;

}



meshQualityControls

{



    maxNonOrtho 65;



    maxBoundarySkewness 20;



    maxInternalSkewness 4;



    maxConcave 80;



    minFlatness 0.5;



    minVol 1e-13;



    minTetQuality 1e-30;



    minArea -1;



    minTwist 0.02;



    minDeterminant 0.001;



    minFaceWeight 0.02;



    minVolRatio 0.01;



    minTriangleTwist -1;



    nSmoothScale 4;



    errorReduction 0.75;

}



writeFlags

(

    layerSets

);



mergeTolerance 1e-6;





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