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

被引：0
作者：
Xiaolin Deng
Fuyun Liu
Libo Cao
Guangwen Huang
Jiale Huang
机构：
[1] Wuzhou University,School of Electronics and Information Engineering
[2] Guilin University of Electronic Technology,School of Mechanical and Electrical Engineering
[3] Hunan University,State Key Laboratory of Advanced Design and Manufacturing for Vehicle Body
[4] South China Agricultural University,College of Engineering
[5] Guangzhou University,School of Mechanical and Electrical Engineering
来源：
Journal of the Brazilian Society of Mechanical Sciences and Engineering | 2022年 / 44卷
关键词：
Sandwich corrugated square tube; Coupling effect; Crashworthiness; Energy absorption; Axial crushing;
D O I：
暂无
中图分类号：
学科分类号：
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 Fmax 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.
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