Analitical/experimental investigation of energy absorption in grid-stiffened composite structures under transverse loading

被引：22

作者：

Gan, C ^{[1
]}

Gibson, RF ^{[1
]}

Newaz, GM ^{[1
]}

机构：

[1] Wayne State Univ, Dept Mech Engn, Adv Composites Res Lab, Detroit, MI 48202 USA

来源：

EXPERIMENTAL MECHANICS | 2004年 / 44卷 / 02期

关键词：

energy absorption; composites; grid-stiffened structures;

D O I：

10.1177/0014485104042448

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

in this paper we summarize preliminary results from an analytical/experimental study of the energy absorption characteristics of grid-stiffened composite structures under transverse loading. Tests and quasi-static finite element analysis simulations were carried out for isogrid E-glass/polypropylene panels in three-point bending. The results of the tests and simulations show that these types of structures have excellent damage tolerance and that most of the energy absorption occurs beyond initial failure. It is also observed that even though the peak load is greater for loading on the skin side, the specific energy absorption and the range of displacements over which energy is absorbed are significantly better when the load is applied on the rib side.

引用

页码：185 / 194

页数：10

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