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A Semi-Analytical Tyre Model for the Study of Tyre/Rim Interaction on a Road Vehicle

[+] Author Affiliations
Federico Ballo, Giorgio Previati, Massimiliano Gobbi, Gianpiero Mastinu

Politecnico di Milano, Milan, Italy

Paper No. DETC2017-67730, pp. V003T01A003; 12 pages
  • ASME 2017 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference
  • Volume 3: 19th International Conference on Advanced Vehicle Technologies; 14th International Conference on Design Education; 10th Frontiers in Biomedical Devices
  • Cleveland, Ohio, USA, August 6–9, 2017
  • Conference Sponsors: Design Engineering Division, Computers and Information in Engineering Division
  • ISBN: 978-0-7918-5815-8
  • Copyright © 2017 by ASME


The paper is devoted to the study of a simplified model for passenger car tyres. The simplified model is mainly focused on the computation of the forces acting at the tyre/rim interface. A simple and reliable model able to predict such forces can be a valuable tool for wheels manufacturers, whose concerns are focused on the lightweight design of the wheel.

The simplified model is based on a semi-analytical approach to model the tyre. The model, given a limited set of input parameters, computes the reaction forces acting at the tyre/rim interface under a vertical load. The input parameters can be identified by simple experimental tests on the tyre under consideration.

Reaction forces obtained from the semi-analytical model are then compared against a more detailed finite-element model of the tyre.

Copyright © 2017 by ASME
Topics: Motor vehicles , Tires



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