The design of circular tubes with stepped varying thicknesses and their synergistic multi-tube combination

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作者信息关键词期刊信息基础信息归属信息摘要

成果类型：

期刊论文

作者：

Xie, Suchao;Zheng, Shiwei;Zhang, Jing;Liu, Zinan;Zhou, Hui

通讯作者：

Xie, SC

作者机构：

[Zhang, Jing; Xie, SC; Xie, Suchao; Liu, Zinan; Zheng, Shiwei] Cent South Univ, Key Lab Traff Safety Track, Minist Educ, Changsha 410075, Peoples R China.

[Zhang, Jing; Xie, Suchao; Liu, Zinan; Zheng, Shiwei] Cent South Univ, Joint Int Res Lab Key Technol Rail Traff Safety, Changsha 410075, Peoples R China.

[Zhang, Jing; Xie, Suchao; Liu, Zinan; Zheng, Shiwei] Cent South Univ, Sch Traff & Transportat Engn, Changsha 410075, Peoples R China.

[Zhou, Hui] Cent South Univ Forestry & Technol, Sch Logist & Transportat, Changsha 410004, Peoples R China.

通讯机构：

[Xie, SC ] C

Cent South Univ, Key Lab Traff Safety Track, Minist Educ, Changsha 410075, Peoples R China.

语种：

英文

关键词：

Stepped wall thickness tube;Combined design;Crashworthiness;Impact force;Finite element analysis

期刊：

Structures

ISSN：

2352-0124

年：

2023

卷：

页码：

105125

DOI：

10.1016/j.istruc.2023.105125

基金类别：

The effects of the factors on the crashworthiness and curve phase were investigated by studying the step number and step thickness variation parameters of a single STVT. To produce superior multi-STVT combinations, the regulation of curve phase variation was attained.

机构署名：

本校为其他机构

院系归属：

交通运输与物流学院

摘要：

A stepped wall circular tube with varying thickness (STVT) and its multi-tube synergistic combination energy absorption structure were developed to address the shortcomings of the high initial peak force of thin-walled metal tubes and the significant load fluctuation of conventional multi-tube combination structures. The STVT was designed with different thickness variations, and its crashworthiness was evaluated numerically and experimentally. An analysis was done on the influences of various characteristics, such as the number of steps and thickness variation, on the crashworthiness of STVTs....

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The design of circular tubes with stepped varying thicknesses and their synergistic multi-tube combination

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