Time-accurate finite element modelling of the transient, steady-state, and frequency responses of serpentine and timing belt-drives
by Michael J. Leamy, Tamer M. Wasfy
International Journal of Vehicle Design (IJVD), Vol. 39, No. 3, 2005

Abstract: A time-accurate dynamic finite element model is presented for analysing the transient, steady-state and frequency responses of both serpentine and synchronous belt-drives. The belt is discretised using either truss or beam elements, while the pulleys and sprockets are modelled as cylindrical rigid bodies with internal teeth, where appropriate. Frictional contact is accurately modelled where the belt contacts either pulleys or sprockets, and also in the tensioner arm hub. Computed response quantities useful to design engineers include span tension and transverse displacements, tensioner arm movement, system vibration modes and pulley and sprocket rotational response. The finite element solutions are validated through comparison to both exact analytical solutions and experimental data and very good agreement is found in all comparisons.

Online publication date: Wed, 21-Dec-2005

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