A Numerical Study on Predicting Rolling Resistance of Tires Based on the Change of Accumulated Strain Energy Density

Debin Hu; Dian Zhang; Youshan Wang; Jianbo Wang

doi:10.54097/2315md57

Authors

Debin Hu
Dian Zhang
Youshan Wang
Jianbo Wang

DOI:

https://doi.org/10.54097/2315md57

Keywords:

Tire; Rolling resistance; Strain energy density; FEA; Rubber.

Abstract

The prediction of tire rolling resistance is importance in both academic and engineering. Classic computational methods are complexity and low efficiency. This paper proposes a method based on cumulative changes of strain energy density to calculate tire rolling resistance. Obtain the stress and stains states of various tire components by Finite Element Analysis (FEA), apply the Karmal’s formula for rolling resistance computation by cumulative changing of strain energy density. The proposed method achieves a good tendency between prediction and measurement results. Moreover, the computational efficiency is reduced to 1/12 of that of classic methods. This method can be used for both complex and simplified tread patterns tires rolling resistance predicting.

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