Journal of Failure Analysis and Prevention

, Volume 7, Issue 2, pp 127–136 | Cite as

Effect of Eccentricity on a Clutch System Under a Harmonically Varying Normal Load

  • Yassine Driss
  • Tahar Fakhfakh
  • Mohamed Haddar
Peer Reviewed


This paper describes a clutch model having eleven degrees of freedom and three types of nonlinearity introduced by dry friction, double-stage stiffness, and spline clearances. The Coulomb friction formulations and spline clearance functions are smoothed before they are applied to the nonlinear system. The calculation of the dynamic response of the clutch is done by the Runge Kutta method. The dynamic behavior of both a healthy clutch system and clutch system containing an eccentricity defect is compared in the time and frequency domains. The effects of a harmonically varying load on the dynamic response of the defective clutch system with nonlinear dry friction and under sinusoidal torque excitation are also reported.


dry friction clearance nonlinearity splines 


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Copyright information

© ASM International 2007

Authors and Affiliations

  1. 1.Unit Research of Mechanical Systems DynamicsNational School of EngineersSfaxTunisia

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