| 有随机初始缺陷的轴压圆柱薄壳的动力稳定性分析 |
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| 引用本文： | 曾潇,卓曙君.有随机初始缺陷的轴压圆柱薄壳的动力稳定性分析[J].昆明理工大学学报(理工版),1996(Z1). |
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| 作者姓名： | 曾潇 卓曙君 |
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| 作者单位： | 云南工业大学电子工程学院，国防科技大学航天技术系 |
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| 摘 要： | 基于非线性大挠度壳体理论对有初始几何缺陷的轴压圆柱壳导出了Ｄｏｎｎｅｌｌ型偏微分方程；应用Ｒｉｔｚ－Ｇａｌｅｒｋｉｎ法和动力屈曲准则对圆柱薄壳进行了动力稳定性分析．进一步，为了探索把缺陷敏感理论结合到工程实际中去的途径，应用ＭｏｎｔｅＣａｒｌｏ法对带有随机初始几何缺陷的轴压圆柱薄壳的动力稳定性进行了可靠性分析．
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| 关 键 词： | 轴压圆柱薄壳 初始缺陷 动力稳定性 随机 可靠性 |
Dynamic Stability Analysis of Axially Compressed Cylindrical Shell With Random Initial Geometric Imperfections |
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| Zeng Xiao.Dynamic Stability Analysis of Axially Compressed Cylindrical Shell With Random Initial Geometric Imperfections[J].Journal of Kunming University of Science and Technology(Natural Science Edition),1996(Z1). |
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| Authors: | Zeng Xiao |
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| Abstract: | ased on nonlinear large-deflection shell theory, this paper has deduced partial equations of the Donned type for axially compressed cylindrical shells with initial imprefections. Using Ritz-Galerkin method and dynamic bucking criterion, the dynamic stability of axially compressed shells is investigated. Futher, in order to seek the way combining the imperfect sensitivity theory with engineering practice, we apply the Monte Carlo method to study the reliability of dynamic stability of axially compressed cylindrical shells with random initial imperfections. |
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| Keywords: | axially compressed cylindrical thin shell intial imperfection dynamic stability random reliability |
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