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NVH model of a rotating tire

: Bäcker, M.; Gallrein, A.; Roller, M.

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Gruber, P. ; International Association for Vehicle System Dynamics -IAVSD-:
4th International Tyre Colloquium: Tyre Models for Vehicle Dynamics Analysis 2015. Proceedings : 20-21 April 2015, University of Surrey, Guildford, United Kingdom
Guildford: University of Surrey, 2015
ISBN: 978-1-84469-032-9
International Tyre Colloquium - Tyre Models for Vehicle Dynamics Analysis <4, 2015, Guildford>
Conference Paper, Electronic Publication
Fraunhofer ITWM ()

The tire plays a fundamental role in the generation of acoustically perceptible driving noise and vibrations inside the vehicle. An essential part of these vibrations is induced by the road excitation and transferred via the tire into the vehicle. There are two basic ways to study NVH behavior: Simulations in time and frequency domains. Modelling the tire transfer behavior in frequency domain requires special attention to the rotation of the tire. This paper shows the approach taken by the authors to include the transfer behavior in the frequency range up to 250 Hz from geometric road excitations to resulting spindle forces in frequency domain. This paper validates the derived NVH tire model by comparison with appropriate transient simulations of the base transient model.