Sandwich structures with tapered tubes as core: A quasi-static investigation

被引：6

作者：

Xiang, Xinmei ^{[1
]}

Shao, Dehua ^{[1
]}

Zhang, Xin ^{[2
]}

Sharif, Umer ^{[1
]}

Ha, Ngoc San ^{[3
]}

Xiang, Li ^{[4
]}

Zhang, Jing ^{[1
]}

Yi, Jiang ^{[1
]}

机构：

[1] Guangzhou Univ, Sch Civil Engn, Guangzhou, Peoples R China

[2] Southern Univ Sci & Technol, Dept Mech & Aerosp Engn, Shenzhen, Guangdong, Peoples R China

[3] RMIT Univ, Ctr Innovat Struct & Mat, Sch Engn, Melbourne, Australia

[4] China Southern Airlines Co Ltd, Shenzhen Branch, Shenzhen 518000, Peoples R China

来源：

DEFENCE TECHNOLOGY | 2024年 / 33卷

基金：

中国国家自然科学基金;

关键词：

Sandwich structure; Corrugated tube; Tapered tube; Quasi-static; Energy absorption; ENERGY-ABSORPTION; CRASHWORTHINESS ANALYSIS; COLLAPSE BEHAVIOR; IMPACT BEHAVIOR; OPTIMIZATION; COLUMNS; DESIGN; PLATES; PANELS;

D O I：

10.1016/j.dt.2023.07.011

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

In this article, the experimental and finite element analysis is utilized to investigate the quasi-static compression features of sandwich constructions built with tapered tubes. 3D printing technology was utilized to create the hollow centers of the tapering tubes, with and without corrugations. The results demonstrate that the energy absorption (EA) and speci fic energy absorption (SEA) of the single corrugated tapered tube sandwich are 51.6% and 19.8% higher, respectively, than those of the conical tube sandwich. Furthermore, the results demonstrate that energy absorbers can bene fit from corrugation in order to increase their ef ficiency. Additionally, the tapered corrugated tubes ' resistance to oblique impacts was studied. Compared to a straight tube, the tapered tube is more resistant to oblique loads and has a lower initial peak crushing force (PCF), according to numerical simulations. After conducting a parametric study, it was discovered that the energy absorption performance of the sandwich construction is signi ficantly affected by the amplitude, number of corrugations, and wall thickness. EA and SEA of DTS with corrugation number of 8 increased by 17.4% and 29.6%, respectively, while PCF decreased by 9.2% compared to DTS with corrugation number of 10. (c) 2023 China Ordnance Society. Publishing services by Elsevier B.V. on behalf of KeAi Communications Co. Ltd. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/ licenses/by-nc-nd/4.0/).

引用

页码：447 / 462

页数：16

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