Abstract

The use of tapered sheet metal tubes as impact energy absorbers is considered. Their behaviour is compared with tubes of uniform cross-section with regard to the stability of the gross deformation modes. Single-tapered and double-tapered tubes are considered and estimates of the variation of their mean crushing forces with reduction in length under both quasi-static and dynamic axial loading conditions are provided. The practically important question of the response of tapered tubes to oblique impact loads is also considered.

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