Hierarchical multi-cell hexagonal tubes under oblique crushing

被引：0
|
作者：
Gao, Zhipeng [1 ]
Xia, Fukun [2 ]
Li, Jiahui [2 ]
Ruan, Dong [2 ]
机构：
[1] School of Mechanical and Electrical Engineering, Lanzhou University of Technology, Lanzhou,730050, China
[2] School of Engineering, Swinburne University of Technology, Hawthorn,VIC,3122, Australia
来源：
Structures | 2025年 / 71卷
关键词：
Crashworthiness;
D O I：
10.1016/j.istruc.2024.107984
中图分类号：
学科分类号：
摘要：
Bio-inspired structures have been extensively studied under axial compression; however, limited studies investigating their crushing performance under oblique compression. In this paper, the oblique crushing performance of three types of hierarchical hexagonal tubes, bio-inspired hierarchical multi-cell hexagonal tubes (BHMH), hierarchical multi-cell hexagonal tubes (HMHA and HMHB) have been investigated. The effects of loading angle and hierarchical order are investigated. It has been found that BHMH tubes display the superior energy absorption performance compared with HMHA and HMHB tubes. In addition, BHMH, HMHA and HMHB tubes show the excellent crushing performance than that of single tubes. For example, the SEA of BHMH-3 tube at angles of 0°, 10°, 20° and 30° is 146 %, 116 %, 75 % and 42 % higher than that of single ones. © 2024 Institution of Structural Engineers
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