Analysis and optimisation of parameters influencing the out-of-plane energy absorption of an aluminium honeycomb

被引：61
|
作者：
Xie, Suchao [1 ,2 ]
Zhou, Hui [1 ,2 ,3 ]
机构：
[1] Cent S Univ, Key Lab Traff Safety Track, Minist Educ, Changsha 410075, Hunan, Peoples R China
[2] Cent S Univ, Sch Traff & Transportat Engn, Changsha 410075, Hunan, Peoples R China
[3] Cent South Univ Forestry & Technol, Sch Traff & Logist, Changsha 410004, Hunan, Peoples R China
来源：
THIN-WALLED STRUCTURES | 2015年 / 89卷
基金：
中国国家自然科学基金;
关键词：
Aluminium honeycomb; Equivalent model; Numerical simulation; Compression test; Optimisation; STATIC CRUSH BEHAVIOR; MULTIOBJECTIVE OPTIMIZATION; VEHICLE CRASHWORTHINESS; STRUCTURAL OPTIMIZATION; ELASTIC PROPERTIES; OPTIMAL-DESIGN; SANDWICH; TUBES; SPECIMENS;
D O I：
10.1016/j.tws.2014.12.024
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
To improve the efficiency of the numerical simulation of the crushing of a honeycomb structure, the equivalent solid model of an aluminium honeycomb core was established. Comparison between the numerical simulation results and experimental evidence revealed that the numerical model of the honeycomb structure was effectively verified as representative. Secondly, the response surfaces for the variation of specific energy absorption (SEA) with side length l and thickness t of the aluminium foil were constructed by surrogate models. Then the relationship between SEA variation and the length l and thickness t of the aluminium foil was investigated. Results indicated that SEA increased with increasing t and decreased with increasing l. The optimum SEA and associated structural parameters (l=1.0 mm, and t=0.16 mm) of an aluminium honeycomb were obtained. (C) 2015 Elsevier Ltd. All rights reserved.
引用
收藏
页码：169 / 177
页数：9
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