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[snappyHexMesh] Problem with snappyHexMesh

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Old   March 7, 2014, 04:26
Default Problem with snappyHexMesh
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Hello to all,
I have a strange problem in the generation of the mesh with snappyHexMesh. When I created it, after the snap step, seems that some cells near the boundary are loss or not follows the boundary. I know that there are some thread about this problem but the solutions presented in their don't work. During the snap step appears this warming:

FOAM Warning : Displacement (-4.016316e-07 1.993513e-06 5.287614e-08) at mesh point 14338 coord (0.009952381 0.04995016 -0.0009597589) points through the surrounding patch faces
Smoothing displacement
Displacement smoothed in = 8.69 s
Moving mesh ...

Is this warming related to the error?

My geometry is very simple: a rectangular with a cylinder inside.
I attach some pictures related to the error.

Someone know what is the problem?
Thanks to all for the willingness
Attached Images
File Type: jpg 3.jpg (12.8 KB, 64 views)
File Type: jpg 35.jpg (78.6 KB, 68 views)
File Type: jpg 35-2.jpg (48.8 KB, 59 views)
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Old   March 11, 2014, 07:05
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Hi giack,

I too faced the same problem.
To solve it I increased my edge feature refinement level and max refinement in surfaceRefinement.
Still the warning showed up. But this time I didn't get any error.
I checked it with CheckMesh and it seems fine.

When I very high refined blockMesh at start. and It didn't showed any warning at that time.

Hence it must be related to refinement.

I am attaching snaps of my mesh with FOAM warning
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File Type: jpg trailingpins.jpg (99.4 KB, 74 views)
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Old   September 18, 2014, 10:03
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if you solve problem, can you explain me ? I have same problem. I havent been solved this problem what ı do .
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snappyhexmesh, snappyhexmesh 3d

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