Simulation Model of the Dynamic Behavior of a Tire Running Over an Obstacle

Author:

Bandel P.1,Monguzzi C.1

Affiliation:

1. 1Pirelli Tire Group, Research and Development, Viale Sacra 202, 20126 Milan, Italy

Abstract

Abstract A “black box” model is described for simulating the dynamic forces transmitted to the vehicle hub by a tire running over an obstacle at high speeds. The tire is reduced to a damped one-degree-of-freedom oscillating system. The five parameters required can be obtained from a test at a given speed. The model input is composed of a series of empirical relationships between the obstacle dimensions and the displacement of the oscillating system. These relationships can be derived from a small number of static tests or by means of static models of the tire itself. The model can constitute the first part of a broader model for description of the tire and vehicle suspension system, as well as indicating the influence of tire parameters on dynamic behavior at low and medium frequencies (0–150 Hz).

Publisher

The Tire Society

Subject

Polymers and Plastics,Mechanics of Materials,Automotive Engineering

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