By using multilevel substructure analysis and finite element displacement method, this system is suitable for various linear static analysis of aeronautical structures.
这一系统采用多级子结构分析技术，可以适应各种类型航空结构的线性静力分析。
In this paper, on the basis of non linear analysis of the flexible pier's critical load, the influence of nonlinear phase displacement of pier top on pier's stability is discussed.
轻型桥墩是桥梁工程中常用到的一种桥墩，本文利用柔性墩失稳临界荷载非线性分析原理，分析了墩顶位移在非线性阶段对桥墩稳定性的影响。
The linear fields of moment and displacement are used in the finite element analysis. The results of calculation show that the method proposed is simple and reliable.
在有限元分析中采用了线性的力矩场和挠度场，实际计算表明，本文使用的方法是简单、可靠的。
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