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发表于 2010-12-16 18:40:55
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来自 大连理工大学
1# zzjo
Is it possible that in Ansys you are using reduced integration scheme?
You might just take one element and make a comparison of element stiffness matrix between yours and Ansys.
tonnyw 发表于 2010-12-15 13:45
I don't use educed integration scheme,but I don't know whether it is used in Ansys.When I use Ansys,all the selection is default.
I have made a comparison of element stiffness matrix, a part of them is the same,such as row w<-to-> line w, the other is different,such as row Rotx<-to-> line Rotx.
I have a question, whether the element stiffness matrix ( mine and Ansys)must be all the same. |
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