The Traffic Accident Reconstruction Origin -ARnews-

Re: Estimating barrier equiv for low speed collisions

Mark Bailey (markb@maceng.com)
Sat, 2 Mar 1996 02:27:46 -0500 (EST)

We have tested a number of foam core and lattice core bumper equipped vehicles including US and Canadian models. For polyurethane and polystyrene foam cores there is no correlation between the post impact condition of the bumper and the severity of the collision until the "damage threshold" is met which may be as high as 15 km/h Delta V. You can find details in SAE paper #950353 and citations in its bibliography.
Mark Bailey
markb@maceng.com

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