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August 8, 2012, 04:49 |
Block refinement button
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#1 |
Senior Member
Meimei Wang
Join Date: Jul 2012
Posts: 494
Rep Power: 15 |
Hi,
May I ask a question about the ICEM button 'Blocking -> Pre-Mesh Params -> Refinement'? I'd like to use this button to coarsen my mesh. The ICEM help tells ' A Level value greater than 1 will result in refinement, while a Level value less than 1 will result in coarsening of the pre-mesh. ' But when I set the level as the value as 0.8 or 0.5, it doesn't work. ( see the attached picture ) But actually I did put positive values there. ( like 0.5 and 0.8 are positive ) Could you please tell me how to solve this problem?
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Best regards, Meimei |
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August 8, 2012, 05:25 |
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#3 | |
Senior Member
Meimei Wang
Join Date: Jul 2012
Posts: 494
Rep Power: 15 |
Quote:
But may that reduce my pre-mesh quality?
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Best regards, Meimei |
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August 8, 2012, 12:36 |
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#4 | |
Super Moderator
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may be, but it depends upon ur solver. For example "Fluent requires 2:1 refinement or vice-versa and CFX requires 3:1 refinement". You can later edit this is edit mesh menu so that you have 1:1 after refinments
From ICEM Help Quote:
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August 11, 2012, 13:41 |
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#5 |
Senior Member
Meimei Wang
Join Date: Jul 2012
Posts: 494
Rep Power: 15 |
Doesn't this block refinement button always work very badly? I use non-uniform mesh. Sometimes 1/10 gives finer mesh than 1/3. And sometimes the mesh at some areas even disappear. Sometimes all the mesh disappear. Is there a better way to do the mesh coarsening instead of this button? What about the mesh refinement button 'edit mesh -> adjust mesh density' ?
__________________
Best regards, Meimei |
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August 11, 2012, 13:45 |
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#6 | |
Super Moderator
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Quote:
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