Using finite element modelling and simulations to test MotoGP race bikes
by Terje Rølvåg
International Journal of Vehicle Systems Modelling and Testing (IJVSMT), Vol. 10, No. 1, 2015

Abstract: The primary objective of this study is the development of a robust numerical simulation model that captures the dynamical characteristics of the Ilmor X³ 2007 MotoGP racing bike. This model can be reconfigured to vary the weight distribution, the stiffness and the damping properties that affect wheelies and stoppies. The model includes tyre models, the driveline from the engine to the rear wheel and a steering system to control the bike in ride simulations. Sensitivity simulations are performed to study the effect of different bike configurations on wheelies and stoppies, i.e., the front and rear wheel lifts that occur during maximum acceleration and braking of the bike. Various modifications are made to the FE-based simulation model to investigate the effect of these changes on the ride behaviour.

Online publication date: Wed, 18-Mar-2015

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