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Using Discreet Models to Study Concussion and Analyze Passenger Head Response During Front-End Vehicle Collisions

[+] Author Affiliations
Peyman Honarmandi

Manhattan College, New York, NY

Basil Khan, Alaa Barakat, Douglas Gordon

City College of New York, New York, NY

Paper No. IMECE2017-72296, pp. V003T04A099; 6 pages
doi:10.1115/IMECE2017-72296
From:
  • ASME 2017 International Mechanical Engineering Congress and Exposition
  • Volume 3: Biomedical and Biotechnology Engineering
  • Tampa, Florida, USA, November 3–9, 2017
  • Conference Sponsors: ASME
  • ISBN: 978-0-7918-5836-3
  • Copyright © 2017 by ASME

abstract

Head concussion and neck injury are often induced by an accident even in a minor collision. In this study, a discrete model of masses, springs, and dampers are considered which represent the components of a vehicle-passenger system. The vehicle accounts for 5 degrees of freedom (DOF) whereas the passenger contributes an additional 5 DOF. Differential equations that express the dynamic forces and moments acting upon each mass are developed and then solved numerically using Runge-Kutta method. The results were used to validate the use of such a model to accurately represent real life crash situations. The primary responses of the model are the magnitudes of acceleration experienced by various sections of the model and their relative displacements in two-dimensional space. Analyses were conducted at varying crash velocities and also with different model configurations. It was found that the behavior of the model corresponds well to previous studies and also to what one would intuitively expect at actual collision scene.

Copyright © 2017 by ASME

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