Validation of a FEA Tire Model for Vehicle Dynamic Analysis and Full Vehicle Real Time Proving Ground Simulations 971100

A tire model and its interface performance with road surface plays a major role in vehicle dynamics analysis and full vehicle real time proving ground simulations.
The successful tire model must be able to support the vehicle weight, provide vehicle control and stability, transfer various forces and torques from road/tire interaction to a vehicle chassis/ suspension system. The dynamic effects in terms of tire stiffness and internal damping characteristics in impact loading conditions must also be accounted for in the model.
A Finite Element Analysis (FEA) tire model is established and its performance is validated using LS/DYNA3D* analysis code simulating the radial and lateral static stiffness test conditions, the one-meter dynamic free-drop test condition and the rolling cornering stiffness. The analysis results are compared with available test data and a generic empirical formula.


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