Elastoplastic Bending of Rectangular Plates With Large Deflection

[+] Author and Article Information
T. H. Lin

ARA, Inc.; University of California, Los Angeles, Calif.

S. R. Lin, B. Mazelsky

ARA, Inc., West Covino, Calif.

J. Appl. Mech 39(4), 978-982 (Dec 01, 1972) (5 pages) doi:10.1115/1.3422901 History: Received June 01, 1971; Revised November 01, 1971; Online July 12, 2010


An analytical method for predicting the elastoplastic bending of rectangular plates with large deflection is studied. The effects of plastic strain and large deflection on plate deformation are shown to be the same as a set of applied external forces on the plate in the classical elastic small deflection theory. The calculated deflection for purely elastic plates compares well with previous existing solutions. For the plates considered, the deflection is increased only slightly by plastic strain; however, the maximum extreme fiber stress is considerably relieved by plastic yielding.

Copyright © 1972 by ASME
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