Comparison of WorldSID to PMHS kinematics in far‐side impact

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Perez‐Rapela, Daniel¹; Markusic, Craig²; Whitcomb, Bryant²; Pipkorn, Bengt^3,4; Forman, Jason L.¹; Donlon, John‐Paul¹; Acosta, Salvador Montesinos¹; Crandall, Jeff R.¹

Comparison of WorldSID to PMHS kinematics in far‐side impact

Proceedings of the 2018 International IRCOBI Conference on the Biomechanics of Injury

Affiliations

¹Mechanical and Aerospace Engineering, University of Virginia, USA

²Honda R&D Americas, Inc

³Autoliv Research, Vårgårda, Sweden

²Chalmers University of Technology in Gothenburg
Abstract and keywords

Far‐side impacts represent 9.5% of all automobile crashes and 8.3% of all MAIS3+ injuries. This type of event generates loads that challenge current restraint systems by setting the occupant on an inward motion. This complex motion, influenced by a number of restraint and impact parameters, often results in a loss of shoulder‐to‐belt contact. Reducing the negative outcomes of this type of crash requires an ATD capable of correctly representing the kinematics and sensitivity to restraint and impact parameters. The WorldSID is the most advanced ATD for injury evaluation in near‐side crashes. However, its suitability for far‐side scenarios still needs to be evaluated. This study performed a parametric evaluation of the effect of restraint and impact parameters on WorldSID kinematics. A total of 19 tests in six different test configurations were conducted, matching previously published PMHS tests. The ATD motion was tracked with a 3D high‐speed motion‐capture system. The parameters varied were: the impact severity and direction; D‐ring position; pelvic restraint; and seat belt pretensioning. The ATD response and sensitivity to parameters were evaluated and compared to previously published PMHS data. The results show discrepancies in shoulder‐belt engagement, head and torso kinematics and sensitivity to initial conditions.

Keywords: WorldSID, far‐side, biofidelity, corridors, sensitivity analysis
Links

URL: http://www.ircobi.org/wordpress/downloads/irc18/pdf-files/91.pdf

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Cited By (9)

Year	Entry
2019	Forman J, Acosta SM, Bollapragada V, Gepner B, Wernicke P. Comparing restraint system sensitivity between the THOR and the Hybrid III, and potential implications in restraint optimization. In: Proceedings of the 26th International Technical Conference on the Enhanced Safety of Vehicles (ESV). June 10-13, 2019; Eindhoven, Netherlands.
2019	Perez-Rapela D, Markusic C, Whitcomb B, Pipkorn B, Forman JL, Crandall JR. Comparison of the simplified GHBMC to PMHS kinematics in far-side impact. In: Proceedings of the 2019 International IRCOBI Conference on the Biomechanics of Injury. September 11-13, 2019; Florence, Italy.260-281.
2021	Pipkorn B, Östh J, Brynskog E, Larsson E, Rydqvist L, Iraeus J, Perez-Rapela D, Jakobsson L. Validation of the SAFER human body model kinematics in far-side impacts. In: Proceedings of the 2021 International IRCOBI Conference on the Biomechanics of Injury. September 8-10, 2021; Online.444-476.
2022	Klug C, Rudd R, Fitterer S, Tomasch E, Blume H-J, Craig M, Wernicke P. Priorities in far-side protection: what can we learn from field data for the development of virtual testing protocols? In: Proceedings of the 2022 International IRCOBI Conference on the Biomechanics of Injury. September 14-16, 2022; Porto, Portugal.1-21.
2022	Shin J, Donlon JP, Richardson R, Gepner B, Forman J, Östling M, Kerrigan J. Biofidelity evaluation of the Hybrid-III 50th male and the THOR-50M in reclined frontal impact sled tests. In: Proceedings of the 2022 International IRCOBI Conference on the Biomechanics of Injury. September 14-16, 2022; Porto, Portugal.309-331.
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