1Choy F K,Padovan J.Non-linear transient analysis of rotor-casing rub events.Journal of Sound ad Vibration,1987,113(3):529-545.
2Ehrich F F,High order subbarmonic response of high speed rotors in bearing clearance ASME Journal of VIbration,Acoustics,Stress,and Reliability in Design,1988,110:9-16.
3Ehrich F F,Spontaneous sidebanding in high speed rotordynamics.ASME Journal of Vibration and Acoustics,1992,114,498-505.
4Kim Y B,Quasi-periodic response and stabillty analysis for a nonlinear Jeffcott robor.Journal of Sound and Vibration,1996,190(2):239-253.