Statistical analysis of vibration in tyres

被引：17

作者：

Le Bot, Alain ^{[1
,2
]}

Bazari, Zakia ^{[1
,2
,3
]}

Klein, Philippe ^{[1
,3
]}

Lelong, Joel ^{[1
,3
]}

机构：

[1] Univ Lyon, F-69000 Lyon, France

[2] Ecole Cent Lyon, CNRS, LTDS UMR 5513, Ave Guy Collongue, F-69134 Ecully, France

[3] IFSTTAR, AME, LAE, F-69500 Bron, France

来源：

JOURNAL OF SOUND AND VIBRATION | 2017年 / 392卷

关键词：

Tyre-road contact; Rolling noise; Modal density; Group speed; Diffuse field; FINITE-ELEMENT-ANALYSIS; CONTACT; TYRE; NOISE; MODEL;

D O I：

10.1016/j.jsv.2016.12.030

中图分类号：

O42 [声学];

学科分类号：

070206 ; 082403 ;

摘要：

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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页码：187 / 199

页数：13

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