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RESEARCH PAPERS

Thick Composite Plates Subjected to Lateral Loading

[+] Author and Article Information
D. S. Cairns, P. A. Lagace

Technology Laboratory for Advanced Composites, Department of Aeronautics and Astronautics, Massachusetts Institute of Technology, Cambridge, MA 02139

J. Appl. Mech 54(3), 611-616 (Sep 01, 1987) (6 pages) doi:10.1115/1.3173077 History: Received January 22, 1986; Revised September 17, 1986; Online July 21, 2009

Abstract

An analytical solution for an orthotropic plate subjected to general lateral loading is presented. The solution uses a stress function approach to obtain the localized stresses and strains due to the loading by an axisymmetric rigid sphere. Plots of load versus local indentation are compared with experimental test data previously reported in the literature. The analysis agrees well with the experimental data and could be used in conjunction with failure criteria to predict damage initiation in such a localized region.

Copyright © 1987 by ASME
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