The Effect of Viscoelasticity on the Vibration of a Rotor

[+] Author and Article Information
S. L. Hendricks

Virginia Polytechnic Institute and State University, Blacksburg, VA 24061

J. Appl. Mech 53(2), 412-416 (Jun 01, 1986) (5 pages) doi:10.1115/1.3171773 History: Received January 29, 1985; Revised September 15, 1985; Online July 21, 2009


This paper analyzes the dynamics of a simple rotor mounted on a shaft constructed from a viscoelastic material. The equations are solved using a perturbation technique that is valid whenever viscoelastic time constants are much larger than elastic time constants. Regions of stable and unstable motion are discovered analytically. Several time histories for the rotor motion are presented.

Copyright © 1986 by ASME
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