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Math. Comput. Appl. 2010, 15(5), 768-775; doi:10.3390/mca15050768

Effect of the Initial Deflection on Vibration Characteristics of the Rub-Impact Rotor System

Key Laboratory of Pressure Systems and Safety, Ministry of Education East China University of Science and Technology, 200237 Shanghai, P. R. China
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Received: 31 December 2010 / Accepted: 31 December 2010 / Published: 31 December 2010
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Abstract

Based on an elastic rub-impact model, a dynamic model of a rubbing rotor system with an initial deflection was set up and motion equations were derived and solved numerically. Poincaré maps, rotor orbits and bifurcation diagrams were drawn to investigate the effects of the initial deflection distance and the initial deflection angle on the vibration features of the rub-impact rotor system. The paper concluded that the initial deflection had great influence on the motion forms of the rubbing rotor system.
Keywords: Rotor System; Rub-impact; Initial Deflection; Vibration Features Rotor System; Rub-impact; Initial Deflection; Vibration Features
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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MDPI and ACS Style

Jia, J.; Hang, T. Effect of the Initial Deflection on Vibration Characteristics of the Rub-Impact Rotor System. Math. Comput. Appl. 2010, 15, 768-775.

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