在对工程上常用的三杆桁架结构的设计中，利用大型有限元分析软件ANSYS6。
In the design of three-bar truss structure commonly used for engineering, the optimization analysis is carried out for the structure by finite element software ANSYS6.
本文利用空间杆系有限元法，对采用边桁架支撑的单层柱面正交异型网壳进行内力分析；
Using finite element method, this paper investigates the static behavior of cylindrical orthogonal single-layer lattice shell structures supported by fringe truss.
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