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[snappyHexMesh] Add Layers in snappyHexMesh

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Old   December 9, 2010, 11:29
Default Add Layers in snappyHexMesh
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Mihails Ščepanskis
Join Date: Jul 2009
Posts: 36
Rep Power: 16
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Hi,
I have the problem with adding layers in snappyHexMesh.
My geometry is:
Code:
geometry
{
    topSurfFlat.stl
    {
        type triSurfaceMesh;
        name topSurf;
    }

    sideWall.stl
    {
        type triSurfaceMesh;
        name sideWall;
    }

    botWall.stl
    {
        type triSurfaceMesh;
        name botWall;
    }
};
And I try to add layer:

Code:
addLayersControls
{
    relativeSizes true;
    layers
    {
        sideWall
        {
            nSurfaceLayers 1;
        }
    }
    expansionRatio 1.0;
    finalLayerThickness 1.0;
    minThickness 0.9;
    nGrow 1;
    featureAngle 60;
    nRelaxIter 5;
    nSmoothSurfaceNormals 1;
    nSmoothNormals 3;
    nSmoothThickness 10;
    maxFaceThicknessRatio 0.5;
    maxThicknessToMedialRatio 0.3;
    minMedianAxisAngle 130;
    nBufferCellsNoExtrude 0;
    nLayerIter 50;
}
But no layer is created:

Quote:
No layers to generate ...
Layer mesh : cells:835968 faces:2744876 points:1073627
Cells per refinement level:
0 163968
1 120336
2 551664
Writing mesh to time 10.015
Written mesh in = 69.17 s.
Finished meshing in = 403.37 s.
End
What should I do?
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Mihails Ščepanskis
Laboratory for Mathematical Modelling of Environmental and Technological Processes
University of Latvia
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