Side impact sled and padding development

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Monk, Michael W.¹; Morgan, Richard M.¹; Sullivan, Lisa K.¹

Side impact sled and padding development

Proceedings of the 24th Stapp Car Crash Conference

Affiliations

¹U.S. Department of Transportation, National Highway Traffic Safety Administration
Abstract

IN A ONE YEAR LABORATORY STUDY, a side impact sled was designed, built, and validated. Using the sled and a newer generation of side impact dummy, a number of energy-absorbing materials were tested and superior materials identified.

Initially this study concentrated on the crash test data for a number of V.W. Rabbits crashed in a previously completed study. The crashed vehicles were obtained, and interior crush tests were performed with a specially designed body form. This was done to determine how the effective stiffness (as seen by the occupant of the struck vehicle) of the interior door increases as the bullet vehicle presses against the interior door trim from the opposite side.

An acceleration-type sled buck was then designed and built with an “interior door” mounted to mimic the interior stiffness determined from the crush tests. The sled was dynamically tested with a Haversine sled pulse similar to the door crash pulse. The sled was validated by reproducing the crash environment of a car-to-car collision. The criteria considered for matching the two were: (1) acceleration-time curve of the interior door, (2) the velocity-time curve of the interior door, (3) kinematics of the Part 572 surrogate, and (4) accelerations on the surrogate.
Links

DOI: 10.4271/801307

SAE: 801307

Cited By (9)

Year	Entry
1992	Cavanaugh J, Zhu Y, King AI. Biomechanical response and injury tolerance of the thorax in seventeen cadaveric side impacts. In: Proceedings of the 2nd Injury Prevention Through Biomechanics Symposium. April 10-11, 1992; Detroit, MI.81-105.
1984	Eppinger RH, Marcus JH, Morgan RM. Development of dummy and injury index for NHTSA’s thoracic side impact protection research program. In: Proceedings of the SAE Government/industry Meeting & Exposition. May 21-24, 1984; Washington, DC. Warrendale, PA: Society of Automotive Engineers. SAE 840885.
1996	Pipkorn B. A mathematical hybrid model for evaluating vehicle performance in car-to-car side impacts. In: Proceedings of the 15th International Technical Conference on the Enhanced Safety of Vehicles (ESV). May 13-16, 1996; Melbourne, Australia.704-719.
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1982	Tsujimura H, Isobe H, Maeda K. Dummy injury values obtained in side collision sled tests. In: Proceedings of the 9th International Technical Conference on Experimental Safety Vehicles (ESV). November 1-4, 1982; Kyoto, Japan.494-503.
1982	Padgaonkar AJ, Prasad P. A mathematical analysis of side impact using the CAL3D simulation model. In: Proceedings of the 9th International Technical Conference on Experimental Safety Vehicles (ESV). November 1-4, 1982; Kyoto, Japan.578-585.
1992	Tao XT, Cesari D, Rumelhart C, Bowin M. Biomechanical response of the thorax and estimation of injury risk in side impact. In: Proceedings of the 1992 International IRCOBI Conference on the Biomechanics of Impact. September 9-11, 1992; Verona, Italy.227-238.
2010	Hallman JJ. Detrimental Thoracoabdominal Interaction With Lateral Airbag Restraints [PhD thesis]. Wilwaukee, WI: Marquette University; December 2010.