FREE-VIBRATION ANALYSIS OF LAMINATES WITH CIRCULAR CUTOUT BY HYBRID-STRESS FINITE-ELEMENT

被引：23

作者：

RAMAKRISHNA, S

RAO, KM

RAO, NS

机构：

[1] Mechanical Engineering Department, I.I.T., Kharagpur

来源：

COMPOSITE STRUCTURES | 1992年 / 21卷 / 03期

关键词：

D O I：

10.1016/0263-8223(92)90017-7

中图分类号：

O3 [力学];

学科分类号：

08 ; 0801 ;

摘要：

The formulation and the development of a computer program for determining the natural frequencies of laminated composite plates with central circular hole are presented using a hybrid-stress finite element. The accuracy of the methodology is checked. The four lowest natural frequencies of a laminate are evaluated by varying a number of parameters, i.e. (i) fibre orientation, (ii) width to thickness ratio, (iii) aspect ratio and (iv) hole size.

引用

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页码：177 / 185

页数：9

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