Free vibration and buckling response of hat-stiffened composite panels under general loading

被引：29

作者：

Prusty, B. Gangadhara ^{[1
]}

机构：

[1] Univ New S Wales, Sch Mech & Mfg Engn, Sydney, NSW 2052, Australia

来源：

INTERNATIONAL JOURNAL OF MECHANICAL SCIENCES | 2008年 / 50卷 / 08期

关键词：

stiffened; shell; laminated composites; free vibration; buckling;

D O I：

10.1016/j.ijmecsci.2008.03.003

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

The paper presents finite element free vibration and buckling analysis of laminated hat-stiffened shallow and deep shells using arbitrarily oriented stiffener formulation. Modified approach for modelling the curved stiffener is implemented using necessary transformations. A simplified stiffener formulation is presented to accommodate various shapes of stiffener shapes in developing the rigidity matrix for the finite element formulation. Investigation has been carried out on free vibration and buckling analyses of laminated composite stiffened shell structures with laminated open section (rectangular or 'T' shaped) and closed section ('hat' shaped) stiffeners. Parametric study on the hat-stiffened panels for the free vibration and buckling analyses confirms that the closed section stiffener being torsionally rigid is found to show better performance over open section stiffeners. (C) 2008 Elsevier Ltd. All rights reserved.

引用

页码：1326 / 1333

页数：8

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