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Transient vehicle handling analysis with aerodynamic interactions

By Khalid Hussain, H. Rahnejat and S. Hegazy

Abstract

This article presents transient handling analysis with a full-vehicle non-linear\ud multi-body dynamic model, having 102 degrees of freedom. A transient cornering manoeuvre,\ud with a constant steer angle and velocity has been undertaken. The effects of aerodynamic lift\ud and drag forces have been included in the simulation tests. The vehicle handling characteristics\ud with and without aerodynamic forces have been compared and various observations made. The\ud aerodynamic forces have been predicted by a k¿1 model solution of the Navier¿Stokes equations\ud for turbulent flow. The numerical predictions for the evaluation of aerodynamic lift coefficient\ud agrees well with the scaled-down air tunnel experimental work, using hot-wire anemometr

Topics: Multi-body dynamics, Aerodynamics, Vehicle handling, Non-linear characteristics, Suspension, Steering, Tyre, Stability
Year: 2007
OAI identifier: oai:bradscholars.brad.ac.uk:10454/2335
Provided by: Bradford Scholars
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