[snappyHexMesh] snappyHexMesh problems 1.5->1.6

grtabor · August 24, 2009, 10:54

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

mattijs · August 24, 2009, 13:34

Hi Gavin,

did you remove any left-over files (foamClearPolyMesh)? If the problem persists in 1.6.x feel free to report a bug.

grtabor · August 24, 2009, 16:27

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

Hanno · May 24, 2011, 06:58

Same problem here! And absolutely no idea how to get or even search for a solution. Any help is very appreciated.

Solarberiden · June 22, 2011, 08:51

Quote:

Originally Posted by Hanno

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!

Antti · May 18, 2012, 03:00

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: http://www.cfd-online.com/Forums/ope...rnal-flow.html

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

August 24, 2009, 10:54	snappyHexMesh problems 1.5->1.6	#1
grtabor Senior Member Gavin Tabor Join Date: Mar 2009 Posts: 181 Rep Power: 17	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

May 24, 2011, 06:58	Same problem here!	#4
Hanno New Member Hannes Join Date: Dec 2010 Location: Oldenburg, Germany Posts: 17 Rep Power: 15	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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August 24, 2009, 13:34		#2
mattijs Senior Member Mattijs Janssens Join Date: Mar 2009 Posts: 1,419 Rep Power: 26	Hi Gavin, did you remove any left-over files (foamClearPolyMesh)? If the problem persists in 1.6.x feel free to report a bug.

August 24, 2009, 16:27		#3
grtabor Senior Member Gavin Tabor Join Date: Mar 2009 Posts: 181 Rep Power: 17	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

May 18, 2012, 03:00		#6
Antti New Member Join Date: Feb 2012 Posts: 4 Rep Power: 14	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: http://www.cfd-online.com/Forums/ope...rnal-flow.html If any of you still have this problem, you might want to try to move the point further away from the surface.