Experimental and numerical studies on multi-layered corrugated sandwich panels under crushing loading

被引：111
|
作者：
Hou, Shujuan [1 ,2 ]
Shu, Chengfu [1 ,2 ]
Zhao, Shuyun [1 ,2 ]
Liu, Tangying [1 ,2 ]
Han, Xu [1 ,2 ]
Li, Qing [3 ]
机构：
[1] Hunan Univ, State Key Lab Adv Design & Mfg Vehicle Body, Changsha 410082, Hunan, Peoples R China
[2] Hunan Univ, Coll Mech & Vehicle Engn, Changsha 410082, Hunan, Peoples R China
[3] Univ Sydney, Sch Aerosp Mech & Mechatron Engn, Sydney, NSW 2006, Australia
来源：
COMPOSITE STRUCTURES | 2015年 / 126卷
基金：
中国国家自然科学基金;
关键词：
Multi-layered; Corrugated sandwich panel; Energy absorption; Crashworthiness; Experimental test; Finite element modeling; MULTIOBJECTIVE CRASHWORTHINESS OPTIMIZATION; MECHANICAL-BEHAVIOR; FAILURE MECHANISMS; CORE; DESIGN; RESPONSES; TUBES; PLATES;
D O I：
10.1016/j.compstruct.2015.02.039
中图分类号：
O3 [力学];
学科分类号：
08 ; 0801 ;
摘要：
The multi-layered corrugated sandwich panels are investigated by experimental studies and numerical simulations under the quasi-static crushing loading in this study. The structures are made up of trapezoidal aluminum cores and aluminum alloy sheets. Three different configurations of corrugated sandwich panels were studied, which are the regularly-arranged, stagger-arranged and cross-arranged (0 degrees/90 degrees). The layers of corrugated sandwich panels vary from two to six. The corrugated cores were fabricated by a self-made mould and then bonded to interlayer and face sheets so as to produce different specimens. The force-displacement curves of these panels were obtained from the experimental tests; and the energy absorption mechanism were studied for each panels. It was found that the sandwich configuration and number of layers played an important role in the failure mechanism and energy absorption. The finite element models were also created to correlate the experimental results. It was found that the numerical and experimental force-displacement curves agreed well with each other. The results provided us with the data and guideline for further studies on crashworthiness optimization of the multi-layered corrugated sandwich panels. (C) 2015 Published by Elsevier Ltd.
引用
收藏
页码：371 / 385
页数：15
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