Evaluation of biofidelity of finite element 50th percentile male human body model (GHBMC) under lateral shoulder impact conditions

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Park, Gwansik¹; Kim, Taewung¹; Subit, Damien¹; Donlon, John P.¹; Crandall, Jeff R.¹; Svenderson, Andy²; Saunders, Nathaniel²; Markusic, Craig²

Evaluation of biofidelity of finite element 50th percentile male human body model (GHBMC) under lateral shoulder impact conditions

Proceedings of the 2014 International IRCOBI Conference on the Biomechanics of Injury

Affiliations

¹University of Virginia Center for Applied Biomechanics, Charlottesville, VA

²Automotive Safety Honda R&D Americas
Abstract and keywords

The goal of this study was to evaluate the biofidelity of a finite element 50th percentile male human body model (GHBMC) under lateral shoulder impact loading conditions by comparing its responses to those of post mortem human surrogates (PMHS) from literature. The GHBMC model (version: FMB v.4.1.1) was positioned on a rigid seat and the right shoulder of the model was impacted by a rigid impactor in different initial impact speeds and directions (impact speeds: 1.5, 3.0, and 4.4m/s, impact direction: 0o, ‐15 o, and +15 o). The GHBMC model showed similar impact force time histories to those of the PMHS for the various loading conditions, but predicted less peak shoulder deformation and energy dissipation than those of the PMHS. Since injury risk functions for the shoulder use the shoulder deflection as an injury predictor, the GHBMC model needs to be improved to be able to predict the shoulder injury of PMHS. Therefore, further effort is required to validate the shoulder region of the GHBMC model with focusing on its deformation.

Keywords: GHBMC, human body model, biofidelity, shoulder, lateral impact
Links

URL: http://www.ircobi.org/downloads/irc14/pdf_files/57.pdf

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2016	Arun MWJ, Umale S, Humm JR, Yoganandan N, Pintar FA. Impact response evaluation of a restrained whole human body finite element model under far‐side 90 and 60 degree impacts. In: Proceedings of the 2016 International IRCOBI Conference on the Biomechanics of Injury. September 14-16, 2016; Malaga, Spain.694-706.
2022	Östh J, Larsson E, Jakobsson L. Human body model muscle activation influence on crash response. In: Proceedings of the 2022 International IRCOBI Conference on the Biomechanics of Injury. September 14-16, 2022; Porto, Portugal.844-865.
2024	Östh J, Gröndahl E, Kang Y-S, Jakobsson L. Validation of the SAFER HBM in rear-facing upright and reclined position in high-speed frontal impacts. In: Proceedings of the 2024 International IRCOBI Conference on the Biomechanics of Injury. September 11-13, 2024; Stockholm, Sweden.47-76.
2015	Iwamoto M, Nakahira Y. Development and validation of the Total HUman Model for Safety (THUMS) version 5 containing multiple 1D muscles for estimating occupant motions with muscle activation during side impacts. Stapp Car Crash J. November 2015;59:53-90.