Energy-absorbing structures based on staggered composite cutting rings: Crashworthiness and railway applications

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成果类型：

期刊论文

作者：

Wang, Hao;Xie, Suchao;Feng, Zhejun;Li, Xiang;Zhou, Hui

通讯作者：

Xie, SC

作者机构：

[Xie, SC; Xie, Suchao; Feng, Zhejun; Li, Xiang; Wang, Hao] Cent South Univ, Sch Traff & Transportat Engn, Key Lab Traff Safety Track, Minist Educ, Changsha 410075, Peoples R China.

[Xie, Suchao; Feng, Zhejun; Li, Xiang; Wang, Hao] Joint Int Res Lab Key Technol Rail Traff Safety, Changsha, Peoples R China.

[Xie, Suchao; Feng, Zhejun; Li, Xiang; Wang, Hao] Natl & Local Joint Engn Res Ctr Safety Technol Rai, Changsha, Peoples R China.

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

通讯机构：

[Xie, SC ] C

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

语种：

英文

关键词：

Mechanical properties;composite structures;energy absorption;crashworthiness analyses;railway vehicles

期刊：

Mechanics Based Design of Structures and Machines

ISSN：

1539-7734

年：

2024

DOI：

10.1080/15397734.2025.2498087

基金类别：

Central South University, China; National Natural Science Foundation of China [52202455]; Science and Technology Innovation Program of Hunan Province [2024RC1019]; Natural Science Foundation of Hunan Province [2023JJ31015]; China Scholarship Council [202406370213]; Shenghua Yu-ying Talents Program of Central South University

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：

The aim of this study was to develop a high-performance energy-absorbing device with both high energy absorption and smooth energy dissipation. Drawing upon the concept of exploiting temporal misalignment of impact force, a novel composite energy-absorbing device with staggered combination of cutting rings (CECR) was investigated. Dynamic impact tests were conducted using a drop hammer system, and a finite element model of CECR was built to study its application in railway vehicles. The study showed that the cutting rings fail into filamentous ...

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