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Citation:
　Jian Zhang,Shengqiu Li,Weicheng Cui,et al.Buckling of Multiple Intersecting Spherical Shells[J].Journal of Marine Science and Application,2020,(4):634-641.[doi:10.1007/s11804-020-00168-w]
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Buckling of Multiple Intersecting Spherical Shells

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Title:
Buckling of Multiple Intersecting Spherical Shells
Author(s):
Jian Zhang1;  Shengqiu Li1;  Weicheng Cui2;  Kai Xiang1;  Fang Wang3;  Wenxian Tang1
Affilations:
Author(s):
Jian Zhang1;  Shengqiu Li1;  Weicheng Cui2;  Kai Xiang1;  Fang Wang3;  Wenxian Tang1
1 School of Mechanical Engineering, Jiangsu University of Science and Technology, Zhenjiang 212003, China;
2 School of Engineering, Westlake University, Hangzhou 310024, China;
3 Shanghai Engineering Research Center of Hadal Science and Technology, Shanghai Ocean University, Shanghai 201306, China
Keywords:
Multi-segment spherical shell; Cylindrical shell; External pressure; Buckling
分类号:
-
DOI:
10.1007/s11804-020-00168-w
Abstract:
This study explored the buckling of multiple intersecting spherical shells. A three-segment spherical shell was designed using the theory of deformation coordination; the design was compared with that of a volume-equivalent cylindrical shell and ring-ribbed cylindrical shell. The numerical results indicated that the buckling capacity of the three-segment spherical shell was superior to those of the other two cylindrical shells. To validate our numerical approach, three laboratory-scale shell models were fabricated. Each model was accurately measured and slowly tested in a pressure chamber; thus, the tested shells were studied numerically. The experimental collapse modes agreed well with numerical results, and the collapse load of the three-segment pressure shell was considerably higher than that of the two cylindrical shells.

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Memo

Memo:
Received date:2019-11-21;Accepted date:2020-07-27。
Foundation item:This study was supported by the National Natural Science Foundation of China (Grant numbers 51709132 and 51679133), Jiangsu Provincial Government Scholarship Programme, and the “Construction of a Leading Innovation Team” project by Hangzhou City Government.
Corresponding author:Weicheng Cui,wccui@sjtu.edu.cn
Last Update: 2021-04-07