轴压加筋圆柱壳Koiter-边界层奇异摄动法

孙海虹; 陈铁云

轴压加筋圆柱壳Koiter-边界层奇异摄动法

孙海虹¹,
陈铁云²

1.
武汉交通科技大学, 武汉 430063;
2.
上海交通大学, 上海 200030

详细信息

中图分类号: O34
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- 被引次数: 0
出版历程
- 收稿日期: 1995-10-06
- 修回日期: 1996-10-05
- 刊出日期: 1997-05-15

Koiter-Boundary Layer Singular Perturbtion Method forAxial Compressed Stiffened Cylindrical Shells

Sun Haihong¹,
Chen Tieyun²

1.
Wuhan Transportation University. Wuhan 430063, P. R. China;
2.
Shanghai Jiaotong University, Shanghai 200030, P. R. China

摘要

摘要: 将Koiter理论和奇异摄动理论中的边界层法相结合,处理加筋圆柱壳无因次化非线性边界层型Karman－Donnell方程由分支点和边界层导致的双重奇异性,提出轴压加筋圆柱壳Koiter-边界层奇异摄动法.对AS－2壳分析表明,本方法具有很好的计算效率和计算精度,与数值解相比更能揭示其内在的影响规律.
- 奇异摄动理论 /
- 加筋圆柱壳 /
- 屈曲和后屈曲
Abstract: The double singularities induced by bifurcation point and boundary layer in nondimensionalized nonlinear boundary-layer Karman-Donnell equations for axiallycompressed stiffened cylindrical shells can be treated by Koiter-boundary layersingular perturbation method in this paper.Based on the analysis of AS-2 shell,it is demonstrated that the method hashigh computing efficiency and accuracy and some new conclusions can be directiy obtained from the perturbation formulas.
- singular perturbation theory /
- stiffened cylindrical shells /
- buckling and postbuckling

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参考文献(14)

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