Flexural Wave Propagation and Vibration of Laminated Rods and Beams

[+] Author and Article Information
Hideo Saito, Kiichi Sato

Department of Mechanical Engineering, Tohoku University, Sendai, Japan

J. Appl. Mech 29(2), 287-292 (Jun 01, 1962) (6 pages) doi:10.1115/1.3640543 History: Received April 25, 1961; Online September 16, 2011


In this paper, a study is made of the flexural, elastic-wave propagation and vibration of laminated rods and beams of sandwich construction. The problem is treated two-dimensionally, and the solution satisfies exactly the elasticity equations and the boundary conditions. The frequency equation obtained has multiple roots, and the dispersion curve consists of a number of branches corresponding to the fundamental and higher modes of vibration. Numerical examples are given for the beams composed of aluminum and plastics.

Copyright © 1962 by ASME
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