Asymmetry Investigation on Radial Tire Contact Pressure Distribution

doi:10.16182/j.issn1004731x.joss.201808021

Abstract

Abstract: The asymmetric pressure distribution in tire contact patch has significant impact on the vehicle fuel economy, tire wear and tire dynamics. In this paper, a FEA model for 205/55R16 semi-steel radial tire was built and verified by static pressure experiments. The influences of tire structural parameters and vehicle driving parameters on asymmetry factor for exploring the asymmetry of the pressure distribution in contact patch were investigated in the steady-state rolling condition. The results show that the influence of the parameters ranging from +50% to -50% on the asymmetry factor of the contact pressure distribution is nonlinear. The impact order in sequence is tire belt cord angle, tire inflation pressure, velocity and vertical load. The increase of the vertical load and velocity lead to the greater asymmetry factor whereas the inflation pressure and the belt cord angle have the negative effects.

Key words: finite element method, radial tire, contact pressure, asymmetric factor

CLC Number:

Huang Haibo, Yu Xudong, Liu Jinpeng, Yao Zhen. Asymmetry Investigation on Radial Tire Contact Pressure Distribution[J]. Journal of System Simulation, 2018, 30(8): 2991-2998.

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