Stress concentration at the edge of the hole results in the reduction of the shell buckling load and the ultimate load-carrying capacity, as the discontinuity of the opening leads to the local disturbing in the displacement field and stress field.
开孔的不连续性引起壳体位移场和应力场的局部扰动，在孔边产生应力集中从而导致壳体屈曲荷载下降和极限承载能力降低。
参考来源 - 轴压作用下矩形开孔圆柱壳的稳定性能研究·2,447,543篇论文数据，部分数据来源于NoteExpress
Discuss respectively cylindrical shell buckling characteristic with internal or external pressure.
分别讨论均布径向外压和内压对圆柱壳动态屈曲特性的影响。
The character of unequal-thickness was considered as geometrical defect, which decreases the critical stress of classical shell buckling to some extent.
提出多层不等厚可看成是圆柱壳壳壁上的几何缺陷，在一定程度上会减弱经典圆柱壳的屈曲临界应力水平。
Three difference buckling modes of delaminated shell were considered. The influence of boundary condition, length and depth of delamination on buckling load was analyzed.
考虑脱层壳的三种不同屈曲模态，分析了边界条件、脱层长度、深度对脱层壳屈曲载荷的影响；
应用推荐