A Ritz Model of Unsteady Oil-Film Forces for Nonlinear Dynamic Rotor-Bearing System

[+] Author and Article Information
Tiesheng Zheng, Shuhua Yang, Zhonghui Xiao, Wen Zhang

Department of Mechanics and Engineering Science, Fudan University, Shanghai 200433, China

J. Appl. Mech 71(2), 219-224 (May 05, 2004) (6 pages) doi:10.1115/1.1640369 History: Received January 22, 2003; Revised June 05, 2003; Online May 05, 2004
Copyright © 2004 by ASME
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Grahic Jump Location
Local coordinates of a pad and journal in a journal bearing
Grahic Jump Location
Global coordinate system and bearing configuration
Grahic Jump Location
Journal orbits of periodic motions with different rotating speeds (κ=6.56, ρ=0.3, λ=1). (a) Synchronous motion (σ=10). (b) Period 5 motion (σ=25)
Grahic Jump Location
Chaotic motions computed by the oil-film force model of finite element method (κ=6.56, ρ=0.3, λ=1, σ=48)
Grahic Jump Location
Chaotic motions computed by the oil-film force model of present method (κ=6.56, ρ=0.3, λ=1, σ=48)




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