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Combined experimental and flexible multibody dynamic investigation of high energy impact-induced driveline vibration

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journal contribution
posted on 2016-06-24, 09:09 authored by Rob Turnbull, Ole R. Miknas, Mahdi Mohammadpour, Homer Rahnejat
Lightly damped non-linear dynamic driveline components are subjected to excitation with rapid application of clutch and/or throttle. Modern thin-walled driveshaft tubes respond with a plethora of structural-acoustic modes under such impulsive conditions, which are onomatopoeically referred to as clonk in the vehicle industry. The underlying mechanisms for the occurrence of this phenomenon are investigated, using combined experimentation and flexible multibody dynamics under impulsive impact conditions. The coincidence of high frequency structural modes, coupled with acoustic response is highlighted for the broad-band spectral response of the hollow driveshaft tubes. The cyclic relationship of clonk with the shuffle response of the driveline system is also established for transient decay of the clonk phenomenon. In particular, the multibody model is used to ascertain the effect of vehicle laden state on the propensity of driveline clonk, an approach no hitherto reported in literature.

Funding

The authors would like to acknowledge the Engineering and Sciences Research Council (EPSRC), Vehicle Foresight Directorate, Ford and MSC Software for their original support of the research project OPTRAREF.

History

School

  • Mechanical, Electrical and Manufacturing Engineering

Published in

Proceedings of the Institution of Mechanical Engineers, Part K: Journal of Multibody Dynamics

Citation

TURNBULL, R. ... et al., 2016. Combined experimental and flexible multibody dynamic investigation of high energy impact-induced driveline vibration. Proceedings of the Institution of Mechanical Engineers, Part K: Journal of Multibody Dynamics, 231 (1), pp. 181-193.

Publisher

SAGE (© the authors)

Version

  • VoR (Version of Record)

Publisher statement

This work is made available according to the conditions of the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International (CC BY-NC-ND 4.0) licence. Full details of this licence are available at: https://creativecommons.org/licenses/by-nc-nd/4.0/

Publication date

2016

ISSN

1464-4193

eISSN

2041-3068

Language

  • en