Approximate Model for a Viscoelastic Oscillator

[+] Author and Article Information
Y. Ketema

Department of Aerospace Engineering and Mechanics, University of Minnesota, Minneapolis, MN 55455

J. Appl. Mech 70(5), 757-761 (Oct 10, 2003) (5 pages) doi:10.1115/1.1607355 History: Received March 20, 2000; Revised April 24, 2003; Online October 10, 2003
Copyright © 2003 by ASME
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Grahic Jump Location
Schematic diagram of a linear oscillator with history-dependent forces
Grahic Jump Location
Damped natural frequency of a viscoelastic oscillator as a function of the relaxation time: (a) second-order approximation (solid line), (b) first-order approximation, (dashed line). Φ0=1,x̃*=1.
Grahic Jump Location
The variation of the normalized relaxation time with temperature
Grahic Jump Location
The variation of the normalized damped natural frequency with temperature



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