Low-velocity impact failure of aluminium honeycomb sandwich panels

被引：136
|
作者：
Foo, C. C. [1 ]
Seah, L. K. [1 ]
Chai, G. B. [1 ]
机构：
[1] Nanyang Technol Univ, Sch Mech & Aerosp Engn, Singapore, Singapore
来源：
COMPOSITE STRUCTURES | 2008年 / 85卷 / 01期
关键词：
aluminium honeycomb sandwich structures; energy-balance model; impact damage; finite element analysis (FEA);
D O I：
10.1016/j.compstruct.2007.10.016
中图分类号：
O3 [力学];
学科分类号：
08 ; 0801 ;
摘要：
In this paper, the failure response of aluminium sandwich panels subjected to low-velocity impact is discussed. A three-dimensional geometrically correct finite element model of the honeycomb sandwich plate and a rigid impactor was developed using the commercial software, ABAQUS. This discrete modelling approach enabled further understanding of the parameters affecting the initiation and propagation of impact damage. Strain-hardening behaviour of the aluminium alloys and the honeycomb core density were shown to affect the impact response. In addition, the impulse-momentum equation was incorporated into the energy-balance model, so that the impact force and deflection histories could be determined as well. (c) 2007 Elsevier Ltd. All rights reserved.
引用
收藏
页码：20 / 28
页数：9
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