Improvement of crush can configuration

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Improvement of crush can configuration

Sahu, Ram Ranjan / Gupta, Pramod Kumar

Crush can is an automotive part located behind the bumper of automobiles like cars, trucks, jeeps, buses, etc. on each side. The purpose of crush can is to absorb impact energy in smooth way. The ideal requirement for crush can is that it should give a rectangular shape of force–displacement graphs on crush event. In this paper, it is described that the finite element analysis can be taken to assess the performance of conventional crush can. If required, the other large shell deformation mechanism can be plugged into it for improving its performance. Hence individual performance of crush and its combination with mechanism can assess through finite element analysis, which is cheaper than the physical test. The best mechanism of crush can lead towards the ideal requirements that can be chosen from finite element analysis iterations. The experimental verification is done for finite element analysis of individual and mechanism plugged in crush cans.