Buckling behavior analysis of corrugation reinforced composite pressure shell: Analysis of the influence of corrugation structural parameters

被引：1
|
作者：
Wu, Runze [1 ]
Sun, Jianliang [1 ]
Zhang, Xu [1 ]
Shan, Cunyao [1 ]
机构：
[1] Yanshan Univ, Natl Engn Res Ctr Equipment & Technol Cold Strip R, Sch Mech Engn, Qinhuangdao 066004, Peoples R China
来源：
OCEAN ENGINEERING | 2024年 / 311卷
基金：
中国国家自然科学基金;
关键词：
CFRP; Circumferential corrugation pressure shell; Nonlinear buckling simulation; Corrugation structure parameter; Critical buckling load; PROGRESSIVE FAILURE ANALYSIS; CYLINDRICAL-SHELLS; DAMAGE; CYLINDERS;
D O I：
10.1016/j.oceaneng.2024.118985
中图分类号：
U6 [水路运输]; P75 [海洋工程];
学科分类号：
0814 ; 081505 ; 0824 ; 082401 ;
摘要：
Based on CFRP(Carbon Fiber Reinforced Plastics) cylindrical pressure shell, the CFRP circumferential corrugation pressure shell is proposed in this study. The structure can further improve the buckling resistance capacity of CFRP pressure shell. Five CFRP circumferential corrugation pressure shells with varying corrugation structure parameters are designed and compared with CFRP cylindrical pressure shell. The buckling behaviors of the shells are analyzed in detail by nonlinear finite element method. The result show that reasonable corrugation structure can significantly improve the resist buckling capacity of CFRP cylindrical pressure shell. However, the increase of corrugation structure parameters will exacerbate the damage to the CFRP layers outside the pressure shell. Ultimately, pressure shell N2 with the best buckling resistance capacity is selected for hydrostatic pressure test, and the experimental results are found to align with the numerical simulation results. This study offers a novel approach for the design of deep-sea pressure shell structures.
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收藏
页数：11
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