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TECHNICAL PAPERS

Dynamic Stability of Disks With Periodically Varying Spin Rates Subjected to Stationary In-Plane Edge Loads

[+] Author and Article Information
T. H. Young, M. Y. Wu

Department of Mechanical Engineering, National Taiwan University of Science and Technology, Taipei, Taiwan

J. Appl. Mech 71(4), 450-458 (Sep 07, 2004) (9 pages) doi:10.1115/1.1753267 History: Received September 19, 2001; Revised June 06, 2002; Online September 07, 2004
Copyright © 2004 by ASME
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References

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Figures

Grahic Jump Location
Configuration of a spinning disk subjected to a stationary in-plane edge load
Grahic Jump Location
The natural frequencies of the zero-nodal-circle modes of a spinning disk with a constant spin rate subjected to a conservative, concentrated and compressive edge load. a/b=0.5, ν=0.27. Heavy line: Fcb2/D=3.5, light line: Fcb2/D=0.
Grahic Jump Location
The width parameters of unstable regions of a freely spinning disk with a harmonically varying spin rate. a/b=0.5, ν=0.27, α=0,Fcb2/D=0.
Grahic Jump Location
The width parameters of specific unstable regions of a spinning disk with a harmonically varying spin rate subjected to a conservative, concentrated and compressive edge load. a/b=0.5, ν=0.27, α=0,Fcb2/D=1.0.
Grahic Jump Location
The central frequencies of unstable regions of a spinning disk with a harmonically varying spin rate subjected to a conservative, concentrated and compressive edge load. a/b=0.5, ν=0.27, α=0,Fcb2/D=3.5.
Grahic Jump Location
Effects of the distribution angle of a conservative, uniformly distributed and compressive edge load on the stability boundaries of a spinning disk with a harmonically varying spin rate. a/b=0.5,fcb3/D=3.5,Ωoρhb4/D=5.6372.

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