Abdominal biofidelity assessment of 50th percentile male and 10‐year‐old ATD responses relative to a recently developed belt‐loading corridor

Ramachandra, R.; Kang, Y‐S.; Hagedorn, A.; Stammen, J.; Bolte, IV, J.

Affiliations

¹Injury Biomechanics Research Center at The Ohio State University, Columbus, OH, USA

²Transportation Research Center Inc., East Liberty, OH, USA

³National Highway Traffic Safety Administration, Vehicle Research & Test Center, U.S. Department of Transportation, Washington, DC, USA

Abstract and keywords

This study investigated the biofidelity of anthropomorphic test device (ATD) abdomens subjected to a belt loading test condition. A total of six ATD/abdomen insert combinations were subjected to belt loading using a seatbelt pull mechanism, with the ATDs seated upright in a free‐back configuration. Three 50th percentile male ATDs were tested, including THOR‐K, Hybrid III 50th percentile male with reusable rate‐sensitive abdomen (HIII‐50M RRSA), and Hybrid III 50th percentile male with standard abdominal insert (HIII‐50M). Additionally, three 10‐year‐old (10yo) size child ATDs including Large Omni‐directional Child (LODC), Q10, and HIII 10yo were tested and evaluated. Force‐penetration results of the 50th percentile male ATDs were compared directly to a belt loading corridor derived from post‐mortem human subject (PMHS) testing in this test configuration, while 10yo ATD responses were compared to a scaled version of the corridor. Biofidelity of the ATD abdomen responses under free‐back seatbelt loading condition were quantified using the NHTSA Biofidelity Ranking System (BioRank). Among the adult ATDs, HIII‐50M, HIII‐50M RRSA and THOR‐K scored 1.99, 1.71 and 1.33 respectively, indicating that the THOR‐K has a response closest to PMHS. All three child ATDs displayed responses that were outside of the scaled PMHS corridor. The child ATDs showed surprisingly similar responses even though their abdominal area structures are quite different.

Keywords: abdomen, biofidelity, LODC, seatbelt, THOR

Links

URL: http://www.ircobi.org/wordpress/downloads/irc17/pdf-files/41.pdf

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Cited By (1)

Year	Entry
2020	Albert DL. A comparison of two versions of the biofidelity ranking system (BioRank): implications on THOR-50M and THOR-05F biofidelity evaluations. In: Proceedings of the 2020 International IRCOBI Conference on the Biomechanics of Injury. 2020; Munich, Germany.659-678.