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November 22, 2004, 11:37 |
Cracks
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#1 |
Guest
Posts: n/a
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Dear all,
I have inherited a few grids that I need to solve, and I've got cracks in the grids and am having trouble correcting. Often I've created two new shell cell types, and assigned the offending cells to be one of the new shell types. Then selected them and used the line: cshell,shell type, cset to make a master and slave set. Then used : cpcreate, shell, master shells, slave shells. This has generally worked, but not in this case. Has anyone, got any other useful/good techniques for getting rid of cracks in their models. Thanks in advance for any assistance, Dave |
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November 22, 2004, 21:09 |
Re: Cracks
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#2 |
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Dear Dave,
When I have two large surfaces that I need to cpmatch, I also create two different shell types and use the cpar command. (Sorry I can not give the full command but I do not want to give you something wrong) If your cracks are random, I would first try merging out any vertices. cset news fluid vset news cset vmerge vset,,.001 vmerge vset,,.01 (The number depends on your cell size, make it much smaller than your smallest cell) You can also try this,------------------------------- cset news fluid live surf create scheck,cset,,mani,news ctab 99 shell 6 cmod cset (Now you know where the cracks are) grow (vset news cset;cset add vset any) grow cset subs fluid cpset news cset any cset add cpset cpmatch cset Sometimes the command cpmatch cset creates couples that are not wanted, so be sure to cpcheck,,all,,,news,,fix you can put in a tolerance, for example lets say you are O.K. with 15% uncovered, cpcheck,,all,,,news,.15,fix |
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November 23, 2004, 04:20 |
Re: Cracks
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#3 |
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Kevin, thanks very much for your suggestions. I'll give them a go.
Cheers, Dave |
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