Determining the Stress Distributions in Wound Reels of Magnetic Tape Using a Nonlinear Finite-Difference Approach

[+] Author and Article Information
M. S. Willett, W. L. Poesch

MRJ, Inc., 10455 White Granite Drive, Suite 200, Oakton, VA 22124

J. Appl. Mech 55(2), 365-371 (Jun 01, 1988) (7 pages) doi:10.1115/1.3173684 History: Received October 02, 1987; Revised November 05, 1987; Online July 21, 2009


A new method of calculating the internal stress distributions in wound reels of magnetic tape using a finite-difference approach is presented. A functional representation of the nonlinear radial elastic modulus is used to model reel behavior more accurately. Procedures are described to measure the radial elastic modulus and radial Poisson’s ratio. It is shown, by comparison to experimental data, that the method accurately predicts in-roll stress distributions.

Copyright © 1988 by ASME
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