Transient Waves in Anisotropic Laminated Plates, Part 1: Theory

[+] 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), 230-234 (Apr 01, 1991) (5 pages) doi:10.1115/1.2930174 History: Received February 01, 1990; Revised August 01, 1990; Online June 17, 2008


A hybrid numerical method in which the finite element method and the method of Fourier transforms are combined is proposed for computing the transient waves in anisotropic laminated plates excited by impact loads. The anisotropic laminated plate is divided into N plate elements, and the principle of virtual work is used to develop approximate dynamic equilibrium equations for three- and two-dimensional problems. The displacement response is determined by employing the Fourier transformation and the modal analysis. This hybrid numerical method is straightforward and easy to use.

Copyright © 1991 by The American Society of Mechanical Engineers
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