## 留言板

 引用本文: 王晓军, 王磊, 马丽红, 等 . 不确定初始几何缺陷杆动态屈曲失效分析[J]. 北京航空航天大学学报, 2011, 37(12): 1484-1489,1509.
Wang Xiaojun, Wang Lei, Ma Lihong, et al. Dynamic buckling failure analysis of rod with uncertain initial geometrical imperfection[J]. Journal of Beijing University of Aeronautics and Astronautics, 2011, 37(12): 1484-1489,1509. (in Chinese)
 Citation: Wang Xiaojun, Wang Lei, Ma Lihong, et al. Dynamic buckling failure analysis of rod with uncertain initial geometrical imperfection[J]. Journal of Beijing University of Aeronautics and Astronautics, 2011, 37(12): 1484-1489,1509. (in Chinese)

## 不确定初始几何缺陷杆动态屈曲失效分析

###### 作者简介:王晓军(1978-),男,陕西岐山人,副教授,XJWang@buaa.edu.cn.
• 中图分类号: O 344.1

## Dynamic buckling failure analysis of rod with uncertain initial geometrical imperfection

• 摘要: 由初始几何缺陷所引起的结构屈曲载荷降低最高可达70%.由于制造误差等原因使得结构初始几何缺陷往往具有不确定性,而这种不确定性又必然会导致结构屈曲荷载与动态屈曲响应的不确定性.研究了动载作用下含有不确定初始几何缺陷杆的动态屈曲失效问题.基于积分挠度定义了动态屈曲安全因子.采用区间分析方法和凸模型方法,给出了具有不确定初始几何缺陷杆的基于积分位移的动态屈曲安全因子的最不利估计,其结果为判断具有不确定初始几何缺陷杆结构的动态屈曲失效分析提供了重要依据.

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##### 出版历程
• 收稿日期:  2010-06-25
• 刊出日期:  2012-12-30

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