Theory of Laminated Plates

[+] Author and Article Information
C. T. Sun

School of Aeronautics, Astronautics, and Engineering Sciences, Purdue University, Lafayette, Ind.

J. Appl. Mech 38(1), 231-238 (Mar 01, 1971) (8 pages) doi:10.1115/1.3408748 History: Received May 31, 1969; Revised November 10, 1969; Online July 12, 2010


A two-dimensional theory for laminated plates is deduced from the three-dimensional continuum theory for a laminated medium. Plate-stress equations of motion, plate-stress-strain relations, boundary conditions, and plate-displacement equations of motion are presented. The governing equations are employed to study the propagation of harmonic waves in a laminated plate. Dispersion curves are presented and compared with those obtained according to the three-dimensional continuum theory and the exact analysis. An approximate solution for flexural motions obtained by neglecting the gross and local rotatory inertia terms is also discussed.

Copyright © 1971 by ASME
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