Laminated Composite Plate Theory With Improved In-Plane Responses

[+] Author and Article Information
H. Murakami

Department of Applied Mechanics and Engineering Sciences, University of California at San Diego, La Jolla, Calif. 92093

J. Appl. Mech 53(3), 661-666 (Sep 01, 1986) (6 pages) doi:10.1115/1.3171828 History: Received July 02, 1985; Online July 21, 2009


In order to improve the accuracy of the in-plane response of the shear, deformable laminated composite plate theory, a new laminated plate theory has been developed based upon a new variational principle proposed by Reissner (1984). The improvement is achieved by including a zigzag-shaped C 0 function to approximate the thickness variation of in-plane displacements. The accuracy of this theory is examined by applying it to a problem of cylindrical bending of laminated plates which has been solved exactly by Pagano (1969). The comparison of the in-plane response with the exact solutions for symmetric three-ply and five-ply layers has demonstrated that the new theory predicts the in-plane response very accurately even for small span-to-depth ratios.

Copyright © 1986 by ASME
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