Study On Shock Absorbing Properties Of Aluminium Circular Tube

Siti Aminah, Mohd Subari (2010) Study On Shock Absorbing Properties Of Aluminium Circular Tube. Project Report. UTeM, Melaka, Malaysia. (Submitted)

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Abstract

This research had carried out involving shock absorbing system on strengthening structure. Dynamic explicit finite element method was performed on the thin walled circular tube. Dynamic test were conducted for velocity 5.0 mis, 7.7 mls and 10 mls with on impacting mass 60 kg in order to assess the crush behavior, impact load and the deformation of the specimen. By installing the solid masses to the sidewall of the specimen, initial bending occurred to the specimen due to inertia force which produced by great velocity change during shock impact. In order to get the best design, there were two cases was tested. The first one was circular tube without solid mass and second was circular tube with solid mass. In the second case, the rectangular solid mass was attached to the aluminum alloy circular tube. The case where solid mass was installed shown that the deformation started to occur at the portion where the solid mass was installed. It clearly shown that the deformation can be controlled by using solid mass. Furthermore, lower value of impact load was obtained compared to the case without solid mass.

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