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Truck frontal underride protection-compatibility factors influencing passenger car safety

Aleksandra Krusper (Institutionen för tillämpad mekanik, Fordonssäkerhet) ; Robert Thomson (Institutionen för tillämpad mekanik, Fordonssäkerhet)
International Crashworthiness Conference, ICRASH 2010 (2010)
[Konferensbidrag, övrigt]

Frontal collisions between passenger cars and trucks are the most severe vehicle-vehicle collisions observed in accident statistics. Regulation 93 was developed to reduce the risk of fatal injury by preventing passenger cars from underriding heavy truck structures. The regulation does not fully address the higher energy of content in these collisions where passenger car structures cannot be expected to have sufficient energy absorbing capacity. The performance of a FUPD incorporated into a FE truck model was evaluated and compared to earlier studies by the authors. In particular, structural interaction of the car with the truck structures was investigated. The packing of the FUPD and truck structures was a critical factor for the FUPD performance. It was found that when the vertical offset between the FUPD truck frame rails is too small, the efficiency of the FUPD is decreased. Incorporating deformable truck frame elements is only beneficial if the offset is at least 220 mm.

Nyckelord: frontal crash, front underrun protective device; compatibility, heavy goods vehicles, FEM

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Denna post skapades 2010-12-15. Senast ändrad 2015-05-08.
CPL Pubid: 130995


Institutioner (Chalmers)

Institutionen för tillämpad mekanik, Fordonssäkerhet (2005-2017)


Innovation och entreprenörskap (nyttiggörande)
Övrig teknisk mekanik

Chalmers infrastruktur

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Structural Interaction between Vehicles. An Investigation of Crash Compatibility between Cars and Heavy Goods Vehicles