An axisymmetric shell element for both mid-thick and thin shells are presented. 推导了一种中厚壳和薄壳都运用的轴对称壳单元。
The nonlinear prebuckling deformations and initial geometric imperfections of the shell were both taken into account. 壳体屈曲的边界层理论被推广用于湿热环境的情况，相应的奇异摄动法用于确定层合圆柱薄壳的屈曲荷载和后屈曲平衡路径。
