In this paper, the nonlinear FEM is used to analyze the general stability of torsional shell and torsional reticulated shell with original imperfections.
本文应用非线性有限元法，对考虑初始缺陷的扭壳、扭网壳进行整体稳定分析，获得了临界状态时的失稳模态和临界荷载。
Torsional vibration of a circular piezoelectric shell of polarized ceramics mounted on a rotationally vibrating base was analyzed.
以线性压电理论为基础，分析了压电陶瓷圆柱壳的扭转振动问题。
The linear dynamic torsional buckling equations for the rigid plastic shell is drived, and the critical impact velocity is given.
文中推导了圆柱壳塑性动力扭转屈曲线性方程，获得了临界冲击速度。
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