Buckling and Post-buckling Behavior of Elliptical Plates: Part II—Results

[+] Author and Article Information
Herzl Chai

Polymers Division, Materials Science and Engineering Laboratory, National Institute of Standards and Technology, Gaithersburg, MD 20899

J. Appl. Mech 57(4), 989-994 (Dec 01, 1990) (6 pages) doi:10.1115/1.2897672 History: Received May 26, 1989; Revised January 25, 1990; Online March 31, 2008


The large-deflection plate solution developed in Part I is used here to study the buckling and post-buckling deformation and stress characteristics of an elliptically-shaped surface layer that has been delaminated from a large material body. The economical, yet accurate nature of this solution, together with available graphic routines, has made it possible to present, figuratively, a comprehensive description of the plate behavior. The conditions for a layer-substrate overlap and the variations of membrane and bending stresses along the plate boundary are emphasized. Deformations were induced either by a normal pressure or a biaxial displacement field applied to the plate boundary. The problem variables are plate size and shape, details of load biaxiality, and load level.

Copyright © 1990 by The American Society of Mechanical Engineers
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