Then this paper introduces the principle and method of finite element dynamic analysis of spatial composite structure like gate.
介绍了闸门这类复杂空间组合结构有限元动力分析的原理和方法。
Researches represented in this paper are the modal analysis and experimental modeling of the composite beam, and its static and dynamic stability.
本文研究了复合梁的模态分析结合实验建模方法，及其静力与动力稳定性问题。
In this paper, the authors first review advances in research of anti-liquefaction mechanism, assessment methods for anti-liquefaction and dynamic analysis of stone column composite foundation.
从碎石桩复合地基的抗液化机理、抗液化性能判别方法、动力分析方法等方面入手，对国内外研究现状做了简要介绍和分析。
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