根据某雷达天线座的结构及受力情况，在用Ｉ—ＤＥＡＳ软件对其主要运动和受力件进行有限元分析的基础上，应用疲劳理论讨论了关键件的优化设计问题

This paper discusses the optimization design of a key part of radar antenna pedestal according to its structure and the force exerted on it, and the results of the finite element analysis of important parts of pedestal which use the I-DEAS software are given.

TN957.2 TN820.82