The results indicate that dynamic characteristics of upper layer soil are major factors that affect the complexstiffness of pile.
通过参数影响分析研究发现，成层土中桩顶复刚度主要受上部土层动力特性及性质影响；
2
The complexstiffness method is adopted to carry out the analysis of surface damping treatment for the support of life winch of a certain typed helicopter.
采用复刚度法对某型直升机救生绞车支架进行表面阻尼处理的分析。
3
The dynamics equations of air spring system with auxiliary chamber were established, and the complexstiffness model of the system was deduced according to the equations being linearly processed.