The relationship of AIS to peak virtual power.

Author(s)
Neal-Sturgess, C.E. Hassan, A. & Cuerden, R.
Year
Abstract

All injuries require an expenditure of energy. Here it is postulated that injury severity is proportional to Peak Virtual Power (PVP). PVP is compared to Abbreviated Injury Scale (AIS) scores for frontal impact with belted drivers, for all types of injuries and all body regions, from the Co-operative Crash Injury Study (CCIS) and National Automotive Sampling System - Crashworthiness Data System (NASS-CDS) databases. The excellent correlations obtained show that the AIS score is linearly proportional to PVP, which is proportional to delta V3 for restrained occupants, and delta V2 for unrestrained occupants. Therefore, although phenomenological, AIS appears to measure a physical quantity. It is concluded that there appears to be a "Master Curve" of AIS versus mean delta V for car occupants, implying that the amount of power for a given injury level is a constant, irrespective of injury type. There appear to be significant differences between the AIS scores for abdominal injuries between CCIS and NASS-CDS, and detailed case studies should be conducted to resolve the differences. (Author/publisher)

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Publication

Library number
C 22772 (In: C 22761 S) /84 / ITRD E206569
Source

In: Proceedings of the 45th Annual Conference of the Association for the Advancement of Automotive Medicine AAAM, San Antonio, Texas, September 24-26, 2001, p. 141-157, 46 ref.

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