Injury Evaluation in Teenage Cyclist-Vehicle Crash by Multibody Simulation

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4 Citazioni (Scopus)

Abstract

Information on impact locations, impact situations and cyclist and pedestrian dynamics in impacts with passenger cars is fundamental for the development of effective solutions to improve cyclist and pedestrian protection. Accidentology research shows that cyclists typically have a higher impact location than the pedestrian, with a larger share of injuries from the windscreen area. Majority of accidents in Palermo, in the last years, happens at urban street (84%) that involve teenager (6.4%). In this paper simulation study capturesdynamics and injuries to head and chest for teenager between a generic bicycle and a car model that is suitable for pedestrian or cyclist safety. Multibody simulation of the crash is executed by making use of Visual Nastran. Dummy, car and bicycle are those used in previous works. The attention is on a teenage cyclist, because the data on this scope are found in literature with difficulty. Twelve full ‐scale crash tests (passenger car versuscyclist) have as main parameters: vehicle speed (20, 30, 40 and 50 km/h), with three different positions of the cyclist respect to the vehicle: frontal, side and rear. Head impact location (top of bonnet, windscreen), given by crash test, shows that cyclist protection should be higher in the windscreen area than pedestrian countermeasures. In particular the injury of the head is analyzed using the parameter HIC and the chest injury is analyzed by 3 ms criterion; the likelihood AIS 4+ is calculated, concluding that head injury is more dangerousin the case of teenage pedestrian, while chest injury is more dangerous in the case of the teenage cyclist; moreover he has greater possibility of survival than the adult cyclist. Accidentology, simulation and crash test show that the windscreen is a frequent head and chest impact location.
Lingua originaleEnglish
pagine (da-a)203-217
Numero di pagine15
RivistaWSEAS Transactions on Biology and Biomedicine
Volume11
Stato di pubblicazionePublished - 2014

All Science Journal Classification (ASJC) codes

  • Neuroscience(all)
  • Biochemistry, Genetics and Molecular Biology(all)
  • Agricultural and Biological Sciences(all)

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