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Note: This discussion is about an older version of the COMSOL Multiphysics® software. The information provided may be out of date.

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Why refine mesh does not work

Posted 2011年5月4日 GMT-4 09:54 Version 3.5a 3 Replies

Tingting Yang
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I am working on solving couples of equations in PDE time dependent, general form with COMSOL 3.5A. When I used initialize mesh, it worked very well. However when I use refine mesh or define a free mesh parameters, it can not run completely. I suppose the refine mesh only accurate the results, why it would influence the process, and what should I do if I want to refine mesh? Thank you for your attention.
3 Replies Last Post 2011年5月4日 GMT-4 23:07
Edgar Kaiser
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Posted: 1 decade ago 2011年5月4日 GMT-4 10:07
Hi,

maybe your machine is just running out of memory with the fine mesh.

Regards
Edgar
Hi, maybe your machine is just running out of memory with the fine mesh. Regards Edgar
Tingting Yang
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Posted: 1 decade ago 2011年5月4日 GMT-4 10:22
Thank you for your reply. However, I have checked it, acturally it was not out of memory, so I am wondering the reason.
Thank you for your reply. However, I have checked it, acturally it was not out of memory, so I am wondering the reason.
Jim Freels mechanical side of nuclear engineering, multiphysics analysis, COMSOL specialist
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Posted: 1 decade ago 2011年5月4日 GMT-4 23:07
Perhaps you are refining the mesh in the wrong places. How are you refining ? Have you tried the automatic mesh refinement and let comsol refine for you ? This only works for free mesh, but it does a great job of it !
Perhaps you are refining the mesh in the wrong places. How are you refining ? Have you tried the automatic mesh refinement and let comsol refine for you ? This only works for free mesh, but it does a great job of it !

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