期刊
JOURNAL OF SOUND AND VIBRATION
卷 392, 期 -, 页码 187-199出版社
ACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD
DOI: 10.1016/j.jsv.2016.12.030
关键词
Tyre-road contact; Rolling noise; Modal density; Group speed; Diffuse field
资金
- Labex CeLyA of Universite de Lyon [ANR-10-LABX-0060/ANR-11-IDEX-0007]
The vibration in tyres submitted to random forces in the contact zone is investigated with the model of prestressed orthotropic plate on visco-elastic foundation. It is shown that beyond a cut-on frequency a single wave propagates whose speed is directional-dependent. A systematic numerical exploration of the governing equation solutions shows that three regimes may exist in such plates. These are modal field, diffuse field and free field. For actual tyres which present a high level of damping, the passage from low to high frequencies generally explores the modal and free field regimes but not the diffuse field regime. (C) 2016 Elsevier Ltd. All rights reserved.
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