Modal Dynamic Analysis of a Synchronizer Mechanism: A Numerical Study

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ISSN: 2278-0149 (Online)
Short Title: Int. J. Mech. Eng. Robot. Res.
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Home > Articles > All Issues > 2019 > Volume 8, No. 3, May 2019 >

A. Farokhi Nejad 1, G. Chiandussi 1, A. Moshrefzadeh 1, V. Solimine 2, and A. Serra2 , E. Rulfi 2

1. Politecnico di Torino, Department of Mechanical and Aerospace Engineering, Torino, Italy
2. Department of Design and virtual validation, Oerlikon Graziano, Torino, Italy

Abstract—The present paper shows the modal dynamic behaviour of a single cone synchronizer mechanism. A 3D finite element model is proposed to calculate the natural frequency of the system. By using an efficient method, the natural frequencies of every single component as well as the full system are extracted under different boundary conditions. The natural frequencies of the system in neutral and engaged conditions are extracted and the effective modes are identified. The finite element model is extended to evaluate transient response of the synchronizer mechanism. The effect of different boundary conditions on the modal response is presented. The results show that changing the actuator position can have a significant effect on the dynamic responses of the system. This methodology can be implemented to examine the transient behaviour of other shifting mechanisms.

Index Terms—finite element model; natural frequency; synchronizer mechanism; Transient modal dynamics

Cite: A. Farokhi Nejad, G. Chiandussi, A. Moshrefzadeh, V. Solimine, A. Serra, and E. Rulfi, "Modal Dynamic Analysis of a Synchronizer Mechanism: A Numerical Study," International Journal of Mechanical Engineering and Robotics Research, Vol. 8, No. 3, pp. 340-346, May 2019. DOI: 10.18178/ijmerr.8.3.340-346