Finite element modelling of a pneumatic tyre interacting with rigid road and deformable terrain
by Chrysostomos-Alexandros Bekakos; George Papazafeiropoulos; Dan J. O'Boy; Jan Prins
International Journal of Vehicle Performance (IJVP), Vol. 3, No. 2, 2017

Abstract: In this study the dynamic interaction between a pneumatic P235/75R17 tyre and a rigid and/or deformable surface is analysed using the finite element method. After a footprint analysis of the tyre, two models were developed: a) tyre rolling on rigid road with bumps; b) tyre rolling on a deformable terrain, appropriate for off-road vehicle handling. In the first model, a steady-state transport analysis is performed to obtain the free rolling conditions of the tyre, which are then used to simulate the impact of the tyre on a rigid bump, typical of a road cleat or speedbump. In the second model, the transient rolling response of the tyre on a soft cohesive soil layer was simulated under towed and driven conditions. It is shown that the dynamic response of the rolling tyre with off-road terrains is inherently complex and depends on significantly different parameters from that of the on-road tyres.

Online publication date: Sun, 05-Mar-2017

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