根据旋转波纹管的特点，用两节点旋转锥壳单元将波纹管离散化，单元与单元之间以节点圆相连接。
Considering the structural characteristics, the bellows was idealized as a series of conical frusta elements with two nodes, joined at nodal circles.
板锥网壳结构是一种新型的空间结构 ，它是在板锥单元和常规的双层网壳结构的基础上 ，组合形成的一种新型半连续化、半格构化的结构形式。
In this dissertation, a continuum analogy method for plate cone reticulated shell which is equivalent to the three layer shell analogy method is put forward.
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