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RESEARCH PAPERS

Mechanical and Thermal Wrinkling of Polymer Membranes

[+] Author and Article Information
H. C. Chiu, R. C. Benson, S. J. Burns

Department of Mechanical Engineering, University of Rochester, Rochester, NY 14627

M. D. Fiscella

Photographic Research Laboratory, Eastman Kodak Company, Rochester, NY 14650

J. Appl. Mech 61(1), 67-70 (Mar 01, 1994) (4 pages) doi:10.1115/1.2901423 History: Received February 07, 1992; Revised March 09, 1993; Online March 31, 2008

Abstract

A finite element method by Roddeman was modified in order to study wrinkling of polymer membranes due to mechanical loads and thermal shrinkage. Thermal shrinkage was incorporated as a prestrain and the elastic modulus was allowed to be dependent on temperature. The following wrinkling cases were studied: (1) a circular membrane with a heated spot at the center and a uniform radial displacement at the outer edge, (2) a rectangular membrane with wrinkles emanating from an imperfection in the boundary, and (3) a rectangular membrane with wrinkles emanating from a heated spot at the center.

Copyright © 1994 by The American Society of Mechanical Engineers
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