Vibration Behavior Analysis of Tire Bending Mode Exciting Lateral Axial Forces

Masami Matsubara; Nobutaka Tsujiuchi; Takayuki Koizumi; Yuya Hirano; Kensuke Bito

doi:10.4271/2013-01-1911

The demand to reduce noise in the passenger cars is increasing. Tire vibration characteristics must be considered when studying road noise because of the strong interaction between tire vibration characteristics and interior car noise. Car manufacturers are keenly interested in studies on the prediction of NVH (Noise, Vibration and Harshness) performance, including viewing tires as substructure. Recently, studies have illustrated the effect that tire lateral bending mode have has on road noise, while most past studies of tire vibration focused on the circumference mode, which excited the vertical spindle force. Therefore, further study of tire lateral bending mode is necessary.

Modeling of the tire lateral bending mode is described in this paper. First, lateral spindle force is measured under tire rolling conditions. Second, experimental modal analysis is performed to grasp tire lateral bending mode. Finally, a tire vibration model is built using the cylindrical shell theory.

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Vibration Behavior Analysis of Tire Bending Mode Exciting Lateral Axial Forces 2013-01-1911

SAE MOBILUS