Crashworthiness analysis and optimization of lotus-inspired bionic multi-cell circular tubes

被引：17
|
作者：
Gong, Chao [1 ,2 ]
Hu, Yong [3 ]
Bai, Zhonghao [1 ]
机构：
[1] Hunan Univ, State Key Lab Adv Design & Mfg Vehicle Body, Changsha, Hunan, Peoples R China
[2] Hefei Univ Technol, Sch Automot & Transportat Engn, Hefei, Peoples R China
[3] China Qual Certificat Ctr, Wuhan Branch, Wuhan, Peoples R China
来源：
MECHANICS OF ADVANCED MATERIALS AND STRUCTURES | 2023年 / 30卷 / 24期
基金：
中国国家自然科学基金;
关键词：
Bionic design; energy absorption; multi-cell; crashworthiness; multi-objective optimization; THIN-WALLED TUBES; ENERGY-ABSORPTION; MULTIOBJECTIVE OPTIMIZATION; SANDWICH STRUCTURE; DESIGN; BEHAVIOR; SQUARE;
D O I：
10.1080/15376494.2022.2111622
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
In this paper, inspired by the structural characteristics of lotus, a lotus-inspired bionic multi-cell tube (LBMT) is proposed. The theoretical model of is devised to predict the mean crushing force of LBMT. Moreover, finite element model is established and validated with experimental test. The results indicate that LBMT exhibit superior energy absorption behavior than that of traditional multi-cell tubes. Furthermore, the effect of geometric parameters mu on crashworthiness behavior has been investigated. Finally, a multi-objective optimization is conduct to obtain the Pareto front. The findings of this investigation offer a novel route of designing energy-absorbing device with excellent crashworthiness behavior.
引用
收藏
页码：4996 / 5014
页数：19
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