The energy absorption characteristics of combined tubes based on structural differentiated design: Height difference and variable fold distributions

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成果类型：

期刊论文

作者：

Feng, Zhejun;Xie, Suchao;Yang, Shichen;Yan, Hongyu;Zhou, Hui

通讯作者：

Suchao Xie

作者机构：

[Yan, Hongyu; Xie, Suchao; Feng, Zhejun; Yang, Shichen] Cent South Univ, Key Lab Traff Safety Track, Minist Educ, Changsha, Peoples R China.

[Yan, Hongyu; Xie, Suchao; Feng, Zhejun; Yang, Shichen] Cent South Univ, Joint Int Res Lab Key Technol Rail Traff Safety, Changsha, Peoples R China.

[Yan, Hongyu; Xie, Suchao; Feng, Zhejun; Yang, Shichen] Cent South Univ, Sch Traff & Transportat Engn, Changsha, Peoples R China.

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

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

通讯机构：

[Suchao Xie] K

Key Laboratory of Traffic Safety on Track, Ministry of Education, Central South University, Changsha, China<&wdkj&>Joint International Research Laboratory of Key Technology for Rail Traffic Safety, Central South University, Changsha, China<&wdkj&>School of Traffic & Transportation Engineering, Central South University, Changsha, China

语种：

英文

关键词：

Structural differentiated design;multitube combined;height difference;fold distribution;load fluctuation

期刊：

Mechanics of Advanced Materials and Structures

ISSN：

1537-6494

年：

2023

DOI：

10.1080/15376494.2023.2168805

基金类别：

This research was undertaken at Key Laboratory of Traffic Safety on Track (Central South University), Ministry of Education, China. The authors gratefully acknowledge the support from the National Natural Science Foundation of China (Grant No. 52202455). This paper also supported by the Nature Science Foundation for Excellent Youth Scholars of Hunan Province (Grant No. 2019JJ30034), Hunan Postgraduate Research and Innovation Project (Grant No. CX20210124), and the Fundamental Research Funds for the Central Universities of Central South University (Grant No. 2021zzts0161).

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：

To achieve the goals of high energy dissipation, a low initial peak, and small load fluctuation, a differentiated combination design of multitube combined structure was developed. Based on a combination of experiment, simulation, and theory, the influences of height and fold distribution on the peak-formation time sequence were investigated, and the combined method of two configurations in the multitube combination was determined. The results show that the initial peak and load fluctuation of the combined structure with variable tube heights and different fold distributions are reduced by 18.4...

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The energy absorption characteristics of combined tubes based on structural differentiated design: Height difference and variable fold distributions

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