Comparative analysis of energy absorption capacity of polygonal tubes, multi-cell tubes and honeycombs by utilizing key performance indicators

被引：127

作者：

Xiang, Yanfei ^{[1
]}

Yu, Tongxi ^{[1
,2
]}

Yang, Liming ^{[1
]}

机构：

[1] Ningbo Univ, Mech & Mat Sci Res Ctr, Ningbo 315211, Zhejiang, Peoples R China

[2] Hong Kong Univ Sci & Technol, Dept Mech & Aerosp Engn, Kowloon, Hong Kong, Peoples R China

来源：

MATERIALS & DESIGN | 2016年 / 89卷

基金：

中国国家自然科学基金;

关键词：

Energy absorption; Key performance indicators (KPIs); Polygonal tubes; Multi-cell tubes; Honeycombs; THIN-WALLED TUBES; CRUSH RESISTANCE; FINITE-ELEMENT; FILLED SINGLE; STEEL TUBES; FOAM; CELL; SIMULATION; BEHAVIOR; COLUMNS;

D O I：

10.1016/j.matdes.2015.10.004

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

With the excellent energy absorption of tubular structures, the axial crushing behavior of tubes of various section shapes has been extensively investigated, while multi-cell tubes and honeycombs structures have been designed to further improve their energy absorption performance. However, there is lack of unified criterion to appropriately evaluate the energy absorption capacity of tubular structures. In this paper, a carefully designed set of key performance indicators (KPIs) is utilized to assess and compare the energy absorbing performance of polygonal tubes, multi-cell tubes and honeycombs. A series of diagrams related to the KPIs with non-dimensional parameters of various tubes are presented to demonstrate the influence of sectional configuration on the performance of polygonal tubes, as well as the effect of the cell number on that of multi-cell tubes and the effect of the cell package on that of honeycombs. The work is valuable to engineering designs and applications, as well as to the further studies of energy absorbers of other configurations. (C) 2015 Elsevier Ltd. All rights reserved.

引用

页码：689 / 696

页数：8

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