Transient Waves in Anisotropic Laminated Plates, Part 2: Application

[+] Author and Article Information
G. R. Liu, J. Tani

Institute of Fluid Science, Tohoku University, Katahira 2-1-1, Aoba-ku, Sendai, 980, Japan

T. Ohyoshi

Department of Mechanical Engineering, Akita University, Akita, 010, Japan

K. Watanabe

Department of Mechanical Engineering, Yamagata University, Yonezawa, 992, Japan

J. Vib. Acoust 113(2), 235-239 (Apr 01, 1991) (5 pages) doi:10.1115/1.2930175 History: Received February 01, 1990; Revised August 01, 1990; Online June 17, 2008


The application of the hybrid numerical method proposed in the previous paper by the present authors to the computation of transient waves in composite material plates excited by step-impact loads is presented in this paper. Both the two-dimensional problem (line step-impact load) and the three-dimensional problem (point step-impact load) are considered. First, the displacement responses of isotropic plates are computed by using the hybrid numerical method and the results are compared with those obtained by the method of the head of the pulse approximation and the method of generalized rays. Next, the displacement responses of a hybrid composite laminated plate excited by a line step-impact load and a point load are calculated, and some interesting results are obtained.

Copyright © 1991 by The American Society of Mechanical Engineers
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