Actual dynamic frontal crush behavior from initial contact to maximum dynamic crush of 8 cars in 45% frontal overlap and 30 degree rigid barrier impacts at 50 and 56 kph respectively is compared with predicted responses from an overall frontal crush model. The actual and predicted acceleration-displacement responses show very similar patterns while comparisons of predicted and actual energy equivalent speeds show for the cars examined that 98% confidence limits between actual and predicted energy equivalent speeds are -8.2 kph to +6.0 kph for energy speeds up to 56 kph where energy equivalent speed is the square root of twice the specific energy.
Comparison of modelled and actual car dynamic frontal crush
Accident Reconstruction Technology and Animation, 8, SAE International Congress & Exposition, 1998 ; 119-135
SAE-SP (Special Publications) ; 1319 , Feb
1998
17 Seiten, 7 Quellen
Aufsatz (Konferenz)
Englisch
Comparison of modelled and actual car dynamic frontal crush
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