Buckling performance of stiffened polymer composite cylindrical shell

被引:8
|
作者
Zhu, Yongmei [1 ]
Guan, Wei [1 ]
Wang, Weili [1 ]
Dong, Cunhao [1 ]
Zhang, Jian [1 ]
机构
[1] Jiangsu Univ Sci & Technol, Zhenjiang 212003, Jiangsu, Peoples R China
基金
中国国家自然科学基金;
关键词
Composite; Cylindrical shell; Stiffened ribs; Buckling; External pressure; PRESSURE; STRENGTH;
D O I
10.1016/j.engstruct.2023.116848
中图分类号
TU [建筑科学];
学科分类号
0813 ;
摘要
The buckling of carbon fiber composite cylindrical shells (CF-CCSs) with annular ribs under external pressure was investigated numerically and experimentally. The effects of rib cross-sections, rib geometry and distribution on buckling load and buckling mode were analyzed numerically. In addition, the ribbed polymer composite cylindrical shell was fabricated and tested. The geometry, thickness, buckling load and final collapse mode of the ribbed polymer composite cylindrical shell were measured. Finally, a nonlinear buckling analysis with geometrical imperfections was carried out based on the measured data; the numerical results were in agreement with the experimental results. The results show that different rib cross-sections have limited influence on the load carrying capacity of CF-CCSs, but the distribution of the ribs and the geometry of the ribs have a greater influence on CF-CCSs.
引用
收藏
页数:12
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