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Development of injury risk functions for use with the THORAX Demonstrator; an updated THOR

Johan Davidsson (Institutionen för tillämpad mekanik, Fordonssäkerhet) ; Jolyon Carrol ; David Hynd ; Erwan Lecuyer ; Eric Song ; Xavier Trosseille ; Andre Eggers ; Cecilia Sunnevång ; Norbert Praxl ; Luis Martinez ; Paul Lemmen ; Bernard Been
International Research Council on the Biomechanics of Injury Conference, IRCOBI 2014; Berlin; Germany; 10 September 2014 through 12 September 2014 Vol. 14 (2014), 41, p. 359-376.
[Konferensbidrag, refereegranskat]

The thorax‐shoulder complex of the THOR dummy was updated in the EU‐project THORAX. The new dummy, the THORA demonstrator, was evaluated in several biomechanical test conditions. In this study, selected data from these tests and injury information from the original tests with Post Mortem Human Subjects were used to develop injury risk functions in accordance with the guidelines defined within ISO/TC22/SC12/WG6. This included the use of survival analysis, distribution and quality assessments. The results include draft injury risk functions for three THORAX injury criteria intended for frontal and oblique loading. The maximum peak deflection measurement (Dmax) and a new differential deflection criterion (DcTHOR) were found to have a good injury risk quality index. Furthermore, a new local strain‐based concept, denoted Number of Fractured Ribs (NFR), appeared to be a potentially useful injury criterion as by its nature it is less sensitive to restraint conditions than deflection measures although it had a lower quality index compared with the displacement‐based criteria.

Nyckelord: Injury criteria, injury risk curves, THOR, THORAX

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Denna post skapades 2014-10-04. Senast ändrad 2015-01-27.
CPL Pubid: 203709


Institutioner (Chalmers)

Institutionen för tillämpad mekanik, Fordonssäkerhet


Teknisk mekanik

Chalmers infrastruktur