Harmonic Wave Propagation in a Periodically Layered, Infinite Elastic Body: Plane Strain, Numerical Results

[+] Author and Article Information
T. J. Delph, G. Herrmann

Division of Applied Mechanics, Stanford University, Stanford, Calif. 94305

R. K. Kaul

State University of New York, Buffalo, N.Y. 14214

J. Appl. Mech 47(3), 531-537 (Sep 01, 1980) (7 pages) doi:10.1115/1.3153727 History: Received October 01, 1978; Revised January 01, 1980; Online July 21, 2009


Numerical results are presented for the dispersion spectrum for harmonic wave propagation in an unbounded, periodically layered elastic body in a state of plane strain. Both real and complex branches are considered. The spectrum is shown to be multiple-valued and quite intricate in detail. Some analytical properties of the Floquet surface are also discussed.

Copyright © 1980 by ASME
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