Energy-absorption characteristics of sandwich corrugated square tubes under axial crushing

被引：11

作者：

Deng, Xiaolin ^{[1
,2
]}

Liu, Fuyun ^{[2
]}

Cao, Libo ^{[3
]}

Huang, Guangwen ^{[4
]}

Huang, Jiale ^{[5
]}

机构：

[1] Wuzhou Univ, Sch Elect & Informat Engn, Wuzhou 543002, Guangxi, Peoples R China

[2] Guilin Univ Elect Technol, Sch Mech & Elect Engn, Guilin, Peoples R China

[3] Hunan Univ, State Key Lab Adv Design & Mfg Vehicle Body, Changsha 410082, Hunan, Peoples R China

[4] South China Agr Univ, Coll Engn, Guangzhou, Peoples R China

[5] Guangzhou Univ, Sch Mech & Elect Engn, Guangzhou, Peoples R China

来源：

JOURNAL OF THE BRAZILIAN SOCIETY OF MECHANICAL SCIENCES AND ENGINEERING | 2022年 / 44卷 / 10期

基金：

中国国家自然科学基金;

关键词：

Sandwich corrugated square tube; Coupling effect; Crashworthiness; Energy absorption; Axial crushing; MULTIOBJECTIVE OPTIMIZATION; CRASHWORTHINESS ANALYSIS; BEHAVIOR; DESIGN; COMPRESSION; COLUMNS;

D O I：

10.1007/s40430-022-03704-7

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

Sandwich thin-walled tubes can significantly improve the overall energy absorption due to the coupling effect. In this paper, a novel sandwich corrugated square tube (SCST), where corrugated square tubes were placed between inner square tube and outer square tube, was proposed. The crashworthiness analysis and coupling effect of the SCSTs were studied using Abaqus/Explicit. Results show that the energy absorption of SCSTs increases with the increase in amplitude and number of corrugations. The highest increase in EA, SEA, CFE reached 77.74%, 77.68%, 113.99%, respectively, while the largest decrease in F-max reached by 20.17% compared to the linear sum of the three standalone structures in the SCSTs. Finally, parameterization study of SCSTs was system carried out.

引用

页数：27

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