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Mode identification in impact-induced high-frequency vehicular driveline vibrations using an elasto-multi-body dynamics approach

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posted on 05.06.2009 by Stephanos Theodossiades, M. Gnanakumarr, Homer Rahnejat, M.T. Menday
The paper describes a noise, vibration and harshness (NVH) phenomenon caused by impact of meshing gear teeth pairs, resulting in structural wave propagation and elastoacoustic coupling in the driveline system, referred to in industry as clonk. The numerical investigation combines multi-body dynamics analysis with flexible body oscillation behaviour predicted by finite element analysis (FEA) techniques. Particular attention is paid to local non-linearities such as the varying stiffness of meshing gear teeth and their normal backlash. The spectrum of vibration of lightly damped hollow driveshaft tubes shows good conformity with experimental results.

History

School

  • Mechanical, Electrical and Manufacturing Engineering

Citation

THEODOSSIADES, S. ... et al., 2004. Mode identification in impact-induced high-frequency vehicular driveline vibrations using an elasto-multi-body dynamics approach. Proceedings of the Institution of Mechanical Engineers, Part K: Journal of Multi-body Dynamics, 218 (2), pp. 81-94

Publisher

Professional Engineering Publishing / © IMECHE

Version

VoR (Version of Record)

Publication date

2004

Notes

This article was published in the Journal, Proceedings of the Institution of Mechanical Engineers, Part K: Journal of Multi-body Dynamics [© IMECHE]. The definitive version is available at: http://www.pepublishing.com/

ISSN

1464-4193

Language

en

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