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Development of a comprehensive injury criterion for moderate and mild traumatic brain injuries

Jacobo Antona-Makoshi (Institutionen för tillämpad mekanik, Fordonssäkerhet) ; Johan Davidsson ; Susumu Ejima ; Koshiro Ono
International Journal of Automotive Engineering (2185-0992). Vol. 7 (2016), 2, p. 69.
[Artikel, refereegranskad vetenskaplig]

Traumatic brain injuries are commonly caused by blows that produce sudden accelerations of the head. A methodology to define a new global brain injury criterion and thresholds that account for time-dependent and combined translational-rotational kinematics of the head is described in this paper. In total 43 head impact tests with monkeys conducted in the past were reproduced, using a finite element model of the monkey head and neck. The study found that the new criterion predicted concussions and brain tissue strains more precisely than past criteria. A scheme that scales the proposed injury threshold to be applicable for humans is proposed. The new criterion and threshold may then be used in the design of superior protective systems.

Nyckelord: Brain injury criteria [C1]; Finite element method (FEM); Passive safety; Safety

Denna post skapades 2016-07-07. Senast ändrad 2016-08-30.
CPL Pubid: 239122


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Institutioner (Chalmers)

Institutionen för tillämpad mekanik, Fordonssäkerhet (2005-2017)


Teknisk mekanik

Chalmers infrastruktur