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flowwolf
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So wrinkling happens in static analysis for membranes? OK - I got no idea. What I remember is that I tried a full 3d model but the results were essentially the same. The 3d model wasn't very detailed though, and it should probably have some irregul…
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I run a dozen of tests a few years ago but I can't remember if Z88 stopped at the same deflection as CCX, if stopped. Generally, the pardiso solver can solve some of those problems with a large number of increments. I also tried to compile the intel…
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Hi, Sorry for the delay, it's been years. I didn't forget to answer I just tried to look for the possible options. We switched to Z88 to solve this kind of problem, it has the pardiso solver and that usually solves this kind of problem well. Z88 a…
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Hi, I can't tell. According to the guy, who makes builds, his build worked correctly on Windows. I think it's caused by something that is messed up in wine. I don't really want to comment it further, as this is related to CalculiX, not Mecway. The '…
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Yes, It is rotated by one segment. The rotation is go away if I change the line feed from 'lf' to 'crlf' (.msh files). 'crlf' feeds should by used for Windows inp files. Although there are rounding errors (differences in the mantissa), only small v…
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Hi, In respect to running ccx.exe on Linux (wine). The picture below shows the results of the lavffcyc compressor example stress distribution, but the left image is evaluated by the Windows version on Linux (wine), while the right was done by the …
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Alright, thank you very much for the help. I'll look more into the things that you've listed, and maybe return If I find out something about this. ps. I've read about the arc-length method, maybe it wouldn't be a bad idea to compare the results to…
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I may have found some information about this: "Buckling (often referred to as loss of stability) refers to a large increase in displacement when there is a small increment in load." "In most structures the displacements increase gradually with inc…
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I gave a try to a cyclic symmetry model with manual expansion. I doesn't work either. I tried expansion angles of 0.125, 0.5, 2.0 and 8.0 degree, neither works. The cyclic symmetry model works for a thicker model and virtually gives the same result…
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Here it is. I've also tried to apply the force and the constrain on one node only, no success.
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Thank you Victor very much for your answer. According to a reaction force vs displacement curve I saw, this is not abnormal. It seems the suspension in a non-linear analysis can become much more compliant after a certain (small) displacement, and i…
