Free-Vibration Analysis of Clamped Antisymmetrically Laminated Elliptical Plates

[+] Author and Article Information
K. Hosokawa, Y. Yamada, T. Sakata

Department of Mechanical Engineering, Chubu University, Kasugai, Aichi, 487, Japan

J. Appl. Mech 65(2), 341-345 (Jun 01, 1998) (5 pages) doi:10.1115/1.2789060 History: Received August 19, 1994; Revised March 07, 1998; Online October 25, 2007


In a previous paper, a numerical approach for analyzing the free vibration problem of an unsymmetrically laminated fiber-reinforced plastic composite plate was proposed by the authors. In the present paper, this approach is applied to the clamped antisymmetrically laminated elliptical plate. As numerical examples, the natural frequencies and the mode shapes of the circular and elliptical plates are estimated. The effects of the fiber orientation angle on natural frequency and mode shape are studied. Furthermore, the vibration tests of the clamped antisymmetrically laminated circular and elliptical plates made of carbon fiber-reinforced plastic are carried out, and the experimental natural frequency and mode shape are compared with the numerical results.

Copyright © 1998 by The American Society of Mechanical Engineers
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