Buckling Reliability Analysis for the Cylindrical Shell with Initial Defects

被引：0
|
作者：
An, Hai [1 ]
An, Weiguang [1 ]
Gao, Yuanyin [2 ]
Song, Xianghua [1 ]
机构：
[1] Harbin Engn Univ, Coll Aerosp & Civil Engn, Harbin 150001, Heilongjiang, Peoples R China
[2] Technol Res Econ Dev Inst, CSSC, Beijing 100081, Peoples R China
来源：
ADVANCES IN FRACTURE AND DAMAGE MECHANICS XI | 2013年 / 525-526卷
关键词：
buckling reliability analysis; local axial symmetry initial defects; buckling critical load coefficient; AFOSM;
D O I：
10.4028/www.scientific.net/KEM.525-526.101
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
In this paper, the asymptotic expression of the buckling critical load coefficient of the thin cylindrical shell with local axial symmetry initial defects under the axial loads is deduced by used the Kannan-Donnel Equation. The buckling safety margin equation of the cylindrical shell with initial defects is constructed. Furthermore, the buckling reliability index is solved by used AFOSM (Advanced First-Order Second Moment) method. In the end, a numerical example is given to analyze the influence of the band width and amplitude of local axial symmetry initial defects on the structural buckling reliability index.
引用
收藏
页码：101 / +
页数：2
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