Failure analysis of curved composite panels based on first-ply and buckling failures

被引:14
|
作者
Adali, S. [1 ]
Cagdas, Izzet U. [1 ,2 ]
机构
[1] Univ KwaZulu Natal, Sch Mech Engn, ZA-4041 Durban, South Africa
[2] Akdeniz Univ, Fac Engn, Dept Civil Engn, Antalya, Turkey
来源
11TH INTERNATIONAL CONFERENCE ON THE MECHANICAL BEHAVIOR OF MATERIALS (ICM11) | 2011年 / 10卷
基金
新加坡国家研究基金会;
关键词
Composite panels; buckling; first-ply failure; optimal design; curved panel; CYLINDRICAL PANELS; OPTIMIZATION;
D O I
10.1016/j.proeng.2011.04.266
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
Curved panels are used extensively in several branches of engineering and in particular in marine and aerospace engineering working mostly under compressive loads. Failure of these components by buckling or excessive stress is an important design consideration. In the present study the effect of fiber orientation is studied on the failure load of a laminated curved panel subject to uniaxial compression. The failure modes are specified as first-ply failure and buckling with the failure load defined as the minimum of these two loads. The panel is taken as a symmetrically laminated angle-ply plate and the failure load is determined for different aspect ratios, panel thicknesses and boundary conditions (simply supported and clamped panels). The failure load is maximized for a set of selected stacking sequences by determining the best ply angle for each stacking sequence giving the highest failure load. (C) 2011 Published by Elsevier Ltd. Selection and/or peer-review under responsibility of ICM11
引用
收藏
页码:1591 / 1596
页数:6
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