Analysis on Mechanical Elastic Wheel Radial Stiffness Characteristics and Its Influencing Factors

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Journal of Vibration and Shock ›› 2015, Vol. 34 ›› Issue (8) : 181-187.

Zang Li-guo,Zhao You-qun,Jiang Cheng ,Li Bo,Wang Wei

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Abstract

A mechanical elastic wheel used for military vehicle was presented to prevent pneumatic tyre from bursting at high speed and to obtain more favorable performance of puncture-proof and off-road reliability. Elastic wheel structure is non-inflatable integrated configuration. To establish the finite element model of mechanical elastic wheel, various nonlinear factors, such as the geometrical nonlinearity, material nonlinearity and contact nonlinearity, were all considered. The results of simulation by the finite element model coincided to elastic mechanics’. It showed that the new analytical model closely matched the real wheel work condition. Hence this model can be used for the design and the optimisation of mechanical elastic wheel. Based on the established finite element model, the modal influencing factors of ground constraint, material characteristics, load and driving torque were all discussed. The results can provide guidance for experiment research, structural optimization and improvements of vehicle dynamics.

Key words

mechanical elastic wheel / Run-Flat Tire / stiffness characteristic / modal analysis / /

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Zang Li-guo,Zhao You-qun,Jiang Cheng,Li Bo,Wang Wei. Analysis on Mechanical Elastic Wheel Radial Stiffness Characteristics and Its Influencing Factors[J]. Journal of Vibration and Shock, 2015, 34(8): 181-187

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