Wave Propagation in a Multilayered Laminated Cross-Ply Composite Plate

[+] Author and Article Information
W. Karunasena, A. H. Shah

Department of Civil Engineering, University of Manitoba, Winnipeg, R3T 2N2, Canada

S. K. Datta

Department of Mechanical Engineering, University of Colorado, Boulder, CO 80309-0427

J. Appl. Mech 58(4), 1028-1032 (Dec 01, 1991) (5 pages) doi:10.1115/1.2897678 History: Received September 18, 1990; Revised May 03, 1991; Online March 31, 2008


Dispersion of guided waves in a cross-ply laminated plate has been studied here using a stiffness method and an exact method. It is shown that number of laminae strongly influences the dispersion behavior. Further, it is found that when the number of laminae is sufficiently large, then the dispersion behavior can be predicted by treating the plate as homogeneous with six stiffness constants obtained by using an effective modulus method.

Copyright © 1991 by The American Society of Mechanical Engineers
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