● TITLE: Coupled torsional and transverse vibration of unbalanced rotor
● AUTHORS: Cohen, R., Porat, I. (1934-2012)
● SOURCE: Journal of Applied Mechanics, Transactions of the ASME, v. 52, n. 3, pp. 701-705 (Sep. 1985)
● LANGUAGE: English.
● ABSTRACT: A model of an unbalanced rotor, driven by a torsion-flexible shaft through a constant velocity joint, is used to investigate the combination-resonance effect in coupled torsional-transverse vibration. Analysis of the nonlinear equations of motion by an asymptotic method yields the instability zones of the system. Results are in very good agreement with those obtained by direct numerical solution of the equations of motion.

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