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August 24, 2009, 09:54 |
Edge Params
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#1 |
New Member
Andrej Hoyningen
Join Date: Jul 2009
Posts: 22
Rep Power: 16 |
Hello,
Icem is always copying the settings to all parallel edges even so I have not clicked the item. Moreover the other edges are not parallel but heading only in the same direction and have a much higher distance in space than every tolerance criteria. How can this happen? How can I delete the connection between edges or adjust that edges are not parallel? The Blocking index and copying only to visible edges does not help either Thanks for your replies andrej |
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August 27, 2009, 13:46 |
Picture is worth a 1k words.
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#2 |
Senior Member
Simon Pereira
Join Date: Mar 2009
Location: Ann Arbor, MI
Posts: 2,663
Blog Entries: 1
Rep Power: 47 |
Do you mean it always copies the entire distribution or it always copies the mesh counts... Maybe attach an image so we can better understand what you are seeing.
You can adjust it to not copy the distribution or have it copy the distribution to visible edges... But the count (number of nodes) always has to go thru. You can also prevent edges from being parallel, say across a hole, by deleting the block in the hole permanently. Anyway, I am sure we can sort you out, but I am not sure we understand the problem. |
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August 28, 2009, 10:20 |
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#3 |
New Member
Andrej Hoyningen
Join Date: Jul 2009
Posts: 22
Rep Power: 16 |
You understood what i have ment. But what is the reason for copying the count?
Is there anyway to supress it, because my problem is, that the parallel edges have different length and I donot want to cut the longer edge in two blocks. Thank you very much Simon |
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August 28, 2009, 12:45 |
nature of the beast.
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#4 |
Senior Member
Simon Pereira
Join Date: Mar 2009
Location: Ann Arbor, MI
Posts: 2,663
Blog Entries: 1
Rep Power: 47 |
The reason is that you are working with mapped blocks... by definition, the node counts on opposite sides of a mapped block must match (or it is not mapped). If you create a series of mapped blocks, each with this internal constraint and each connected, your end result is that all parallel connected blocks have equal counts.
If you want to break this chain, you can turn one of the blocks into a swept or unstructured block... Or use a topology trick such as a Quarter Ogrid... I did this recently for another user with a similar problem... I will come back in a minute with that link. |
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August 28, 2009, 12:48 |
Try reading this thread.
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#5 |
Senior Member
Simon Pereira
Join Date: Mar 2009
Location: Ann Arbor, MI
Posts: 2,663
Blog Entries: 1
Rep Power: 47 |
Check out this thread for info on how to use a quarter ogrid to solve your problem...
http://www.cfd-online.com/Forums/ansys-meshing/67418-please-suggest-blocking-stretagy.html |
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