[ICEM] Why the mesh changes after I save and open the project again

lnk · July 19, 2012, 10:28

Hi,

I made mesh for a complex geometry by ICEM. After I improve my mesh quality, I save it. Then I open that project and check the mesh quality right afterwards. The mesh quality becomes bad.(By slightly changing it, it will be good again.) May I ask that's why and how to avoid this problem? After I improve the quality, if I export that mesh to CFX, am I exporting the good mesh or the bad one?

Best regards and many thanks,
lnk

Far · July 23, 2012, 19:15

can you please be more specific?

CFD-Cat · October 26, 2012, 13:22

hey, I have exactly the same problem. Is someone able to explain me what I've done wrong or if it's a bug?
I produce my block mesh or unstructured, it doesn't matter, then i use the command smooth mesh globally (that works on the unstructured mesh) to gain a good quality, I save the project and close Icem. When i open the saved project and i check the mesh quality I get a really bad histogram worst than the one that I had before smoothing. It doesn't happen with all the project I've done but with most of them. I forgot to say that all the projects are based on the same geometry.

Thank you very much, regards

nitinbansal184 · October 29, 2012, 00:31

Quote:

Originally Posted by lnk

Hi,

I made mesh for a complex geometry by ICEM. After I improve my mesh quality, I save it. Then I open that project and check the mesh quality right afterwards. The mesh quality becomes bad.(By slightly changing it, it will be good again.) May I ask that's why and how to avoid this problem? After I improve the quality, if I export that mesh to CFX, am I exporting the good mesh or the bad one?

Best regards and many thanks,
lnk

Sometimes it happens to me....After conversion of premesh to unstructured mesh...Check quality several times

CFD-Cat · October 29, 2012, 03:29

Nice I'm not alone!

Anyone is able to give us an explanation?

July 19, 2012, 10:28	Why the mesh changes after I save and open the project again	#1
lnk Senior Member lnk Join Date: Feb 2011 Location: Switzerland Posts: 118 Rep Power: 16	Hi, I made mesh for a complex geometry by ICEM. After I improve my mesh quality, I save it. Then I open that project and check the mesh quality right afterwards. The mesh quality becomes bad.(By slightly changing it, it will be good again.) May I ask that's why and how to avoid this problem? After I improve the quality, if I export that mesh to CFX, am I exporting the good mesh or the bad one? Best regards and many thanks, lnk

October 26, 2012, 13:22	Why the mesh changes after I save and open the project again	#3
CFD-Cat New Member Join Date: Oct 2012 Posts: 19 Rep Power: 15	hey, I have exactly the same problem. Is someone able to explain me what I've done wrong or if it's a bug? I produce my block mesh or unstructured, it doesn't matter, then i use the command smooth mesh globally (that works on the unstructured mesh) to gain a good quality, I save the project and close Icem. When i open the saved project and i check the mesh quality I get a really bad histogram worst than the one that I had before smoothing. It doesn't happen with all the project I've done but with most of them. I forgot to say that all the projects are based on the same geometry. Thank you very much, regards Last edited by CFD-Cat; October 26, 2012 at 13:23. Reason: error

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July 23, 2012, 19:15		#2
Far Senior Member Sijal Join Date: Mar 2009 Location: Islamabad Posts: 4,565 Blog Entries: 6 Rep Power: 55	can you please be more specific?

October 29, 2012, 03:29		#5
CFD-Cat New Member Join Date: Oct 2012 Posts: 19 Rep Power: 15	Nice I'm not alone! Anyone is able to give us an explanation?