Study on the Mechanism of Train Noise and its Countermeasure : Part III, Wheel Flexural Vibration Including the Effects of Shear Deformation and Rotatory Inertia

概要

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Train noise is dominated by the wheel flexural vibration which is caused by interactions between wheel and rail. Since the wheel is remarkably thick, the flexural vibration can not be analyzed on the assumption that the wheel is a thin circular plate. The effects of shear deformation and rotatory inertia should be taken into consideration. The wheels which are used in Japanese rapid transit (Shinkansen) trains may be assumed to be a circular plate with stepped thickness. In this paper, the vibration is theoretically analyzed with due regared to the above facts, and the results are compared with the experimental ones. All results are in significant accordance, and some interesting characteristics are obtained.
社団法人日本機械学会の論文