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Modelling and simulation of seat-integrated safety belts including studies of pelvis and torso responses in frontal crashes
Umeå University, Faculty of Medicine, Department of Surgical and Perioperative Sciences.
2007 (English)In: International Journal of Crashworthiness, ISSN 1358-8265, E-ISSN 1754-2111, Vol. 12, no 4, 367-379 p.Article in journal (Refereed) PublishedText
Abstract [en]

The aim of the present study is to investigate how the physical properties influence the interaction of the seat back frame and the safety belt. Seat-integrated 3- and 4-point configurations with both non-rigid and rigid seat back frames were compared with common 3-point configurations with anchor points on the car body. The LS-DYNA FE-analysis software was used in order to perform frontal crash simulations with a belted 50th percentile Hybrid III FE-dummy model as occupant. The belt-webbing distribution between the lap and the torso belts via a slip-ring and in combination with a non-rigid seat back frame increases the ride-down efficiency compared to a system with no belt-webbing distribution. No tendencies of pelvis submarining were observed regardless of belt configuration. The dynamic response of the seat back frame has some influence on the ride-down efficiency.

Place, publisher, year, edition, pages
Abingdon: Taylor & Francis, 2007. Vol. 12, no 4, 367-379 p.
Keyword [en]
3-point belts, 4-point belts, biomechanics, Hybrid III, FE-analysis.
National Category
Mechanical Engineering
URN: urn:nbn:se:umu:diva-118231DOI: 10.1080/13588260701482906ISI: 000250440300004OAI: diva2:913489
Available from: 2016-03-21 Created: 2016-03-14 Last updated: 2016-03-21Bibliographically approved

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Lindquist, Mats
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