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An Integrated Approach for Numerical Simulation of Full Vehicle Behaviour During Transient Dynamic Maneuvers on Arbitrary Obstacles and Road Surfaces

[+] Author Affiliations
E. Duni, G. Monfrino, R. Saponaro, M. Caudano, F. Urbinati

FIAT Research Centre, Orbassano, Italy

M. Spinelli, A. Pizzuto

FIAT Auto Spa, Torino, Italy

Paper No. IMECE2003-41374, pp. 81-88; 8 pages
  • ASME 2003 International Mechanical Engineering Congress and Exposition
  • Transportation: Making Tracks for Tomorrow’s Transportation
  • Washington, DC, USA, November 15–21, 2003
  • Conference Sponsors: Transportation
  • ISBN: 0-7918-3730-0 | eISBN: 0-7918-4663-6, 0-7918-4664-4, 0-7918-4665-2
  • Copyright © 2003 by ASME


This work describes a numerical methodology based on the finite element method used for the transient dynamic simulation of the full vehicle rolling on different kind of obstacles. Some issues related to the tire finite element model development and its validation, by numerical-experimental comparison, have been discussed. The strategy to combine the static simulations such as the tire inflating, the vehicle weight application and suspension pre loading, with transient dynamic analysis of the car rolling over the obstacle has been chosen. The methodology, based on integration of Abaqus Implicit and Explicit codes, has been successfully applied for the dynamic simulation of Fiat Punto car passing over comfort and pothole obstacle; it is in a good stage of development for a bump obstacle (misuse airbag test).

Copyright © 2003 by ASME



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