Ritz Series Analysis of Rotating Shaft System: Validation, Convergence, Mode Functions, and Unbalance Response

[+] Author and Article Information
Nicole L. Zirkelback, Jerry H. Ginsberg

G. W. Woodruff School of Mechanical Engineering, Georgia Institute of Technology, Atlanta, GA 30332-0405

J. Vib. Acoust 124(4), 492-501 (Sep 20, 2002) (10 pages) doi:10.1115/1.1501081 History: Received October 01, 2001; Revised April 01, 2002; Online September 20, 2002
Copyright © 2002 by ASME
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Grahic Jump Location
Overhung rotor system with two bearings in 20. κ=2,738,τ=0.0016,μd=0.4775,rP=0.07303,rT=0.05164,kyy=407.4,kzz=651.9,cyy=czz=5.093.
Grahic Jump Location
Critical speed map with a 1X synchronous line for an overhung rotor bearing system. Comparison with the finite element method in 20.
Grahic Jump Location
Mode function magnitudes and phase angles in terms of elliptical parameters (a,b, and θ) for the fifth and sixth critical speeds
Grahic Jump Location
Unbalance response magnitudes and phase angles for displacements v and w
Grahic Jump Location
Relationships between axes and rotations for a differential shaft element
Grahic Jump Location
Rezoning convergence study. Markers denote critical speed number.
Grahic Jump Location
Convergence study with generalized coordinates qj
Grahic Jump Location
Mode function magnitudes and phase angles in terms of elliptical parameters (a,b, and θ) for the first and second critical speeds
Grahic Jump Location
Mode function magnitudes and phase angles in terms of elliptical parameters (a,b, and θ) for the third and fourth critical speeds




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