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Design and Testing of the Frontal Impact Attenuator for a Formula SAE Vehicle

[+] Author Affiliations
Francesco Braghin, Diego Gottardi, Fabio Morandi, Mattia Tartaglia

Politecnico di Milano, Milano, Italy

Paper No. DETC2007-35458, pp. 2051-2057; 7 pages
  • ASME 2007 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference
  • Volume 5: 6th International Conference on Multibody Systems, Nonlinear Dynamics, and Control, Parts A, B, and C
  • Las Vegas, Nevada, USA, September 4–7, 2007
  • Conference Sponsors: Design Engineering Division and Computers and Information in Engineering Division
  • ISBN: 0-7918-4806-X | eISBN: 0-7918-3806-4
  • Copyright © 2007 by ASME


According to FSAE rules ([1]), the frontal impact attenuator, when mounted on the front of a vehicle with a total mass of 300kg that is run into a solid, non-yielding impact barrier with a velocity of impact of 7.0 m/s, has to give an average deceleration of the vehicle not to exceed 20 g. Thus, FSAE teams have to design and test, either experimentally or numerically, their frontal impact attenuator and submit an “Impact Attenuator Calculations” form. Several different frontal impact attenuator solutions were numerically tested and the best one in terms of deceleration, compactness and weight was experimentally tested using a very simple catapult thus allowing to validate the numerical models.

Copyright © 2007 by ASME
Topics: Design , Testing , Vehicles



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