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。