期刊
MECCANICA
卷 57, 期 1, 页码 165-191出版社
SPRINGER
DOI: 10.1007/s11012-021-01422-3
关键词
Tyre modelling; Brush models; Transient tyre dynamics; Transient rolling contact
类别
资金
- Chalmers University of Technology
This paper establishes new analytical results in the mathematical theory of brush tyre models, analyzing the exact problem with large camber angles and exploring the more general situation of limited friction. It compares the classic steady-state theory for a good approximation and demonstrates exact sliding solutions for all one-dimensional problems under transient conditions.
This paper establishes new analytical results in the mathematical theory of brush tyre models. In the first part, the exact problem which considers large camber angles is analysed from the perspective of linear dynamical systems. Under the assumption of vanishing sliding, the most salient properties of the model are discussed with some insights on concepts as existence and uniqueness of the solution. A comparison against the classic steady-state theory suggests that the latter represents a very good approximation even in case of large camber angles. Furthermore, in respect to the classic theory, the more general situation of limited friction is explored. It is demonstrated that, in transient conditions, exact sliding solutions can be determined for all the one-dimensional problems. For the case of pure lateral slip, the investigation is conducted under the assumption of a strictly concave pressure distribution in the rolling direction.
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