This content is not included in
your SAE MOBILUS subscription, or you are not logged in.
Mass data evaluation of the importance of structural and mass related aggressivity
Technical Paper
2001-06-0163
Sector:
Language:
English
Abstract
The problem of incompatibility between different car types has
become an important issue in the society. In two- car crashes, the
aggressivity to the other vehicles is a factor often mentioned. In
this study aggressivity is defined as the influence on injury
outcome in the other vehicle due to differences in car structure
and mass of the studied vehicle. The study was based on
police-reported two-car collisions in Sweden. The influence of car
mass and structure on driver relative injury risk was for some
vehicle categories analyzed with a new developed technique where
the influence of mass and structure was separated.
SUVs were found to have 32% higher mass factor and 23% higher
structural aggressivity factor than the average value, resulting in
a 62% higher total aggressivity factor than the average. MPVs were
found to have 3% higher structural aggressivity factor than
average, while the mass factor was 28% higher than average,
resulting in 32% higher total aggressivity than that of the average
car. It was also found that small cars had higher structural
aggressivity factor than larger cars among the family car
categories. Only small differences in the structural aggressivity
factor was found for cars with different year of introduction,
while an increase in the mass factor of approximately 10% between
1970 and 1995 was found. Only a small difference in the structural
aggressivity factor was found for cars with different Euro NCAP
star rating.