Buckling of laminated composite stiffened panels subjected to in-plane shear: A parametric study

被引：58

作者：

Mallela, Upendra K. ^{[1
]}

Upadhyay, Akhil ^{[1
]}

机构：

[1] Indian Inst Technol, Dept Civil Engn, Roorkee 247667, Uttar Pradesh, India

来源：

THIN-WALLED STRUCTURES | 2006年 / 44卷 / 03期

关键词：

buckling; stiffened panels; composite structures; FE analysis; in-plane shear loading;

D O I：

10.1016/j.tws.2006.03.008

中图分类号：

TU [建筑科学];

学科分类号：

0813 ;

摘要：

The presence of in-plane loading may cause buckling of stiffened panels. An accurate knowledge of critical buckling load and mode shapes are essential for reliable and lightweight structural design. This paper presents some parametric studies on simply supported laminated composite blade-stiffened panels subjected to in-plane shear loading. A total of 450 models were analyzed using ANSYS 7.1 and a database is prepared for different plate and stiffener combinations. Studies are carried out by changing the panel orthotropy ratio, stiffener depth, pitch length (number of stiffeners), smeared extensional stiffness ratio of stiffener to that of the plate and extensional stiffness to shear stiffness ratio of the plate. Based on the studies, few important parameters influencing the buckling behaviour are identified and guidelines for better stiffener proportioning are developed, which will be helpful for the designer. (C) 2006 Elsevier Ltd. All rights reserved.

引用

页码：354 / 361

页数：8

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