On the Contact Problem of an Inflated Spherical Nonlinear Membrane

[+] Author and Article Information
W. W. Feng

Department of Mechanical Engineering, Carnegie-Mellon University, Pittsburgh, Pa.

W.-H. Yang

Department of Engineering Mechanics, The University of Michigan, Ann Arbor, Mich.

J. Appl. Mech 40(1), 209-214 (Mar 01, 1973) (6 pages) doi:10.1115/1.3422928 History: Received September 01, 1971; Online July 12, 2010


The contact problem of an inflated spherical nonlinear elastic membrane between two large rigid plates is formulated in terms of three first-order ordinary differential equations for the region where the spherical membrane is not in contact with the rigid plates. The constraint condition introduced by the rigid plate on part of the spherical membrane reduces the number of governing equations to two for the contact region. A general stress-strain relation for the spherical membrane is used in the formulation. The results presented in this paper assume that the material behavior of the spherical membrane is that described by the Mooney model. Nonlinear spring characteristics and the instability phenomena of the inflated membrane are discussed.

Copyright © 1973 by ASME
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