CUED Publications database

Prediction of tread block forces for a free-rolling tyre in contact with a rough road

Liu, F and Sutcliffe, MPF and Graham, WR (2012) Prediction of tread block forces for a free-rolling tyre in contact with a rough road. Wear, 282-28. pp. 1-11. ISSN 0043-1648

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Abstract

This paper describes a new approach to model the forces on a tread block for a free-rolling tyre in contact with a rough road. A theoretical analysis based on realistic tread mechanical properties and road roughness is presented, indicating partial contact between a tread block and a rough road. Hence an asperity-scale indentation model is developed using a semi-empirical formulation, taking into account both the rubber viscoelasticity and the tread block geometry. The model aims to capture the essential details of the contact at the simplest level, to make it suitable as part of a time-domain dynamic analysis of the coupled tyre-road system. The indentation model is found to have a good correlation with the finite element (FE) predictions and is validated against experimental results using a rolling contact rig. When coupled to a deformed tyre belt profile, the indentation model predicts normal and tangential force histories inside the tyre contact patch that show good agreement with FE predictions. © 2012 Elsevier B.V..

Item Type: Article
Uncontrolled Keywords: Contact mechanics Finite element modelling Indentation Tread block Tyre
Subjects: UNSPECIFIED
Divisions: Div A > Fluid Mechanics
Depositing User: Cron Job
Date Deposited: 07 Mar 2014 12:32
Last Modified: 22 Dec 2014 01:17
DOI: 10.1016/j.wear.2011.12.014