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Micromechanically consistent calculation of rotational stiffness of radial tire

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Abstract

The rotational stiffness of a radial tire is one of the most important structural properties of the sidewall, and it has been evaluated conventionally by using a simplified model. However, in this paper, it is found that the conventional shear modulus used for the calculation of the stiffness is not micromechanically consistent. We examine the conventional shear modulus of the sidewall from the viewpoint of micromechanics, and present a new micromechanically consistent shear modulus for evaluating the rotational stiffness attributed to the shear deformation of sidewall. The developed method is discussed and rationalized through an approximate quantitative analysis. The calculation based on the micromechanically consistent shear modulus is validated by comparing it with experimental stiffness and the conventionally-calculated stiffness.

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Authors and Affiliations

  1. Department of Mechanical Engineering, College of Engineering, Sunchon National University, Chonnam, 540-742, Korea

    Yong-Woo Kim

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  1. Yong-Woo Kim
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Correspondence to Yong-Woo Kim.

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This paper was recommended for publication in revised form by Associate Editor Jeong Sam Han

Yong-Woo Kim received his Bachelor degree in Mechanical Engineering from Yonsei University, Seoul, Korea, in 1982, and his Ph.D. degree from Yonsei Graduate School in 1991. Dr. Kim is currently Professor at Department of Mechanical Engineering at Sunchon National University in Sunchon, Korea. Dr. Kim’s research interests include structural analysis, machine design, and tire mechanics.

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Kim, YW. Micromechanically consistent calculation of rotational stiffness of radial tire. J Mech Sci Technol 23, 1294–1305 (2009). https://doi.org/10.1007/s12206-009-0401-9

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  • DOI: https://doi.org/10.1007/s12206-009-0401-9

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