Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Numerical Analysis of Bicycle Helmet under Blunt Behavior

Version 1 : Received: 28 April 2020 / Approved: 30 April 2020 / Online: 30 April 2020 (14:10:36 CEST)

A peer-reviewed article of this Preprint also exists.

Sepulveda-Lopez, D.; Antona-Makoshi, J.; Rubio, I.; Rodríguez-Millán, M. Numerical Analysis of Bicycle Helmet under Blunt Behavior. Appl. Sci. 2020, 10, 3692. Sepulveda-Lopez, D.; Antona-Makoshi, J.; Rubio, I.; Rodríguez-Millán, M. Numerical Analysis of Bicycle Helmet under Blunt Behavior. Appl. Sci. 2020, 10, 3692.

Journal reference: Appl. Sci. 2020, 10, 3692
DOI: 10.3390/app10113692

Abstract

This study evaluates various safety aspects of standardized impacts that cyclists may suffer while wearing a bicycle helmet, by combining a partially validated finite element model of the cranio-cervical region and a newly developed bicycle helmet model. Under EN 1078 standardized impact conditions, the results of simulated impact tests show that the helmet can absorb 40% to 50 % of the total impact energy at impact velocities above 4 m/s. Further, based on a relationship between Head Injury Criterion and the risk of injury from field data, the results of the simulations suggest that minor injuries may occur at impact velocities of 10 km/h, serious injuries at 15 km/h, and severe injuries at 20 km/h. Fatal injuries will likely occur at impact velocities of 30 km/h and higher.

Subject Areas

bicycle; helmet; brain injury; EPS foam; impact; safety

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