Free vibration of composite spherical shell cap with and without a cutout

被引：42
|
作者：
Ram, KSS [1 ]
Babu, TS [1 ]
机构：
[1] RVR&JC Coll Engn, Dept Civil Engn, Chowdavaram 522019, Guntur, India
来源：
COMPUTERS & STRUCTURES | 2002年 / 80卷 / 23期
关键词：
free vibration; spherical shell cap; finite element analysis; higher-order theory; composite shell;
D O I：
10.1016/S0045-7949(02)00210-9
中图分类号：
TP39 [计算机的应用];
学科分类号：
081203 ; 0835 ;
摘要：
The free vibration of composite spherical shell cap with and without a cutout is investigated. The analysis is carried out using the finite element method based on a higher-order shear deformation theory. An eight noded degenerated isoparametric shell element with nine degrees of freedom at each node is considered. Results are presented for axisymmetric free vibration of composite spherical shell cap with and without a cutout. The effects of number of plies, radius to thickness ratio, boundary conditions and cutout size on the fundamental frequency of orthotropic and laminated composite spherical shell cap are studied. (C) 2002 Elsevier Science Ltd. All rights reserved.
引用
收藏
页码：1749 / 1756
页数：8
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