Balancing lightweight design and crashworthiness in NPR sandwich structures: A multi-objective optimization approach for enhanced crashworthiness

被引:2
作者
Tian, Ali [1 ,4 ]
Zou, Jinhao [1 ,2 ]
Mingchao, Xu [1 ]
Li, Haoyun [1 ]
Guo, Jiaming [1 ]
Ye, Renchuan [3 ]
Peng, Ren [1 ]
机构
[1] Jiangsu Univ Sci & Technol, Sch Naval Architecture & Ocean Engn, Zhenjiang, Peoples R China
[2] Guo Guang Elect Co Ltd, Guangzhou, Peoples R China
[3] Jiangsu Univ Sci & Technol, Ocean Coll, Zhenjiang, Peoples R China
[4] Jiangsu Univ Sci & Technol, Sch Naval Architecture & Ocean Engn, 666 Changhui Rd, Zhenjiang, Jiangsu, Peoples R China
基金
中国国家自然科学基金;
关键词
Negative Poisson's ratio; crashworthiness; optimization; sandwich structure; SHIP COLLISION; CRASH BOX;
D O I
10.1177/10996362231222553
中图分类号
TH [机械、仪表工业];
学科分类号
0802 ;
摘要
Aiming to address the multi-objective cooperative optimization problem of ship structure lightweight and crashed-resistance, this study proposed a concave reentrant honeycomb-based negative Poisson's ratio (NPR) sandwich structure to replace the stiffened plate. The feasibility of using the sandwich structure to improve ship crashworthiness is demonstrated through finite element analysis. An intelligent optimization method is established to address the issues of multiple parameters and complex effects associated with composite structures and optimize the crashworthiness of the sandwich structure. The effectiveness of the optimization method and the feasibility of the NPR sandwich structure in ship crashworthiness have been validated, providing a reference for the design of new multi-functional ship structures.
引用
收藏
页码:472 / 489
页数:18
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