VIBRATION OF SYMMETRICALLY LAMINATED CANTILEVER TRAPEZOIDAL COMPOSITE PLATES

被引：34

作者：

LIEW, KM

机构：

[1] Division of Applied Mechanics, School of Mechanical and Production Engineering, Nanyang Technological University, Singapore, 2263, Nanyang Avenue

来源：

INTERNATIONAL JOURNAL OF MECHANICAL SCIENCES | 1992年 / 34卷 / 04期

关键词：

D O I：

10.1016/0020-7403(92)90037-H

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

The paper presents a general numerical method for vibration analysis of symmetrically laminated cantilever thin trapezoidal composite plates. The Rayleigh-Ritz method, along with displacements assumed in the form of 2-D orthogonal polynomials, is used to solve the problems. These 2-D orthogonal polynomials are generated using a proposed recurrence formula. Several numerical examples are presented to demonstrate the accuracy, efficiency and versatility of the method. Natural frequencies and mode shapes for the trapezoidal plates are obtained for different numbers of layers, fibre orientations, a/b and c/a ratios. These results, to the author's knowledge, are first known in the open literature. Thus the present study may provide very useful information to the engineers who work in this area.

引用

页码：299 / 308

页数：10

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