圆柱薄壳在外压作用下屈曲的边界层理论

沈惠申; 陈铁云

圆柱薄壳在外压作用下屈曲的边界层理论

上海交通大学

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出版历程
- 收稿日期: 1985-09-30
- 刊出日期: 1988-06-15

A Boundary Layer Theory for the Buckling of Thin Cylindrical Shells under External Pressure

Shanghai Jiaotong University, Shanghai

摘要

摘要: 本文依据文[14]提供的圆柱薄壳屈曲的边界层理论,以挠度为摄动参数,采用奇异摄动方法,研究了固支圆柱薄壳在侧向外压和静水外压作用下的屈曲和后屈曲性态.本文同时考虑了初始几何缺陷的影响.计算结果与实验结果的比较表明二者是一致的.

Abstract: Based on the boundary layer theory for the buckling of thin elastic shells-suggested in ref. [14], the buckling and postbuckling behavior of clamped circular cylindrical shells under lateral or hydrostatic pressure is studied applying singular perturbation method by taking deflection as perturbation parameter. The effects of initial geometric imperfection are also considered. Some numerical results for perfect and imperfect cylindrical shells are given. The analytical results obtained are compared with some experimental data in detail, which shows that both are rather coincident.

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参考文献(22)

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