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snappyHexMesh problems 1.5->1.6

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Old   August 24, 2009, 10:54
Default snappyHexMesh problems 1.5->1.6
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Gavin Tabor
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Hi. I have a snappyHexMesh case which worked fine with 1.5 but upgrading to 1.6, I get the following error message:

Shell refinement iteration 0
----------------------------

Marked for refinement due to refinement shells : 0 cells.
Determined cells to refine in = 1.52 s
Selected for internal refinement : 13280 cells (out of 138087)
hexRef8 : Dumping cell as obj to "/home/gavin/OpenFOAM/gavin-1.6/run/shuttleSnappy/cell_106631.obj"


cell 106631 of level 3 uses more than 8 points of equal or lower level
Points so far:8(21039 32067 37690 37691 49159 152912 154100 155267)#0 Foam::error:rintStack(Foam::Ostream&) in "/opt/foam/OpenFOAM/OpenFOAM-1.6/lib/linuxGccDPOpt/libOpenFOAM.so"

... it then gives me a long stack trace which I won't reproduce unless someone thinks its important. Can anyone suggest what might be causing this problem or what it means?

Gavin
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Old   August 24, 2009, 13:34
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Mattijs Janssens
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Hi Gavin,

did you remove any left-over files (foamClearPolyMesh)? If the problem persists in 1.6.x feel free to report a bug.
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Old   August 24, 2009, 16:27
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Gavin Tabor
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Hi Mattijs,

I didn't try that - but just have and it made no difference.

By 1.6.x - is there a bug-fixed version of 1.6 now? (I've been away on holiday for a few weeks). If so I will try with that before posting a bug report; if you think its likely to be a bug.

Gavin
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Old   May 24, 2011, 06:58
Default Same problem here!
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Hannes
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Same problem here! And absolutely no idea how to get or even search for a solution. Any help is very appreciated.
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Old   June 22, 2011, 08:51
Default problem solved for hexRef8 problem:
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TCH
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Quote:
Originally Posted by Hanno View Post
Same problem here! And absolutely no idea how to get or even search for a solution. Any help is very appreciated.
you should first run
> foamCleanTutorials
as the snappyHexMesh has create several time folders for saving the iteration data of HexMeshes
not just
> foamCleanPolyMesh

Good luck!
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Old   May 18, 2012, 03:00
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I had the same problem and it was caused by locationInMesh that was close to the surface of the object. In my case, it was not caused by the upgrade though, but same error message none the less.

Here is the original thread: Wing - internal flow

If any of you still have this problem, you might want to try to move the point further away from the surface.
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