Large Deflection of a Rigid-Plastic Circular Plate Pressed by a Sphere

[+] Author and Article Information
Ge Wang

American Bureau of Shipping, Yokohama, Urban Square Yokohama, Sakaecho 1-1, Kanagawa-ku, Yokohama 221, Japan

Hideomi Ohtsubo

Department of Naval Architecture and Ocean Engineering, The University of Tokyo, Hongo 7-3-1, Bunkyo-ku, Tokyo 113, Japan

Kikuo Arita

Kumamoto Institute of Technology, lkeda 4-22-1, Kumamoto-shi 860, Japan

J. Appl. Mech 65(2), 533-535 (Jun 01, 1998) (3 pages) doi:10.1115/1.2789089 History: Received May 28, 1997; Revised August 25, 1997; Online October 25, 2007


A rigid-plastic circular plate deflected by a rigid sphere is investigated. The behavior at large deflection is considered; the contribution from a bending moment is neglected. Approximate formulas for the load-deflection relationship are derived. Experiments are conducted and the test data compare well with the prediction results. It is revealed that the size of the rigid sphere has a strong effecton the resistance of the compressed plate.

Copyright © 1998 by The American Society of Mechanical Engineers
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