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发表于 2010-11-5 19:47:06
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来自 浙江杭州
梁单元一般需要3个节点定义,第3个节点用来定义梁的方向。。
*ELEMENT_BEAM中的N1、N2、N3在关键字*NODE中定义。。
N1=Nodal point 1.
N2=Nodal point 2. This node is optional for the spot weld, beam type 9, since if it not defined it will be created automatically and given a nonconfliciting nodal point ID. Nodes N1 and N2 are automatically positioned for the spot weld beam element.
N3=Nodal point 3, the third node, N3, is optional for beam type 3,6,7,8,and 9, if the latter, type 9, has a non-circular cross section. The third node is used for the discrete beam, type 6, if and only if SCOOR is set to 2.0 in the *SECTION_BEAM input, but even in this case it is optional. |
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