Analytical Study On Control Of Buckling Lobe Onset For Hollow Rectangular Tube Under Axial Impact

Nik Mohd Afiq, Nik Mohd Arif (2011) Analytical Study On Control Of Buckling Lobe Onset For Hollow Rectangular Tube Under Axial Impact. Project Report. UTeM, Melaka, Malaysia. (Submitted)

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Abstract

In the present paper, numerical analysis have been used to investigate the ability to control buckling process of hollow rectangular tube subjected to axial impact. The inertia force induced to solid mass that attached to the hollow rectangular tube during the axial impact is exploited to trigger the first buckling lobe. There are two cases is conducted using dynamic explicit finite element method in order to prove that first buckling lobe will occur at portion where solid mass attached. The first case is hollow rectangular tube with attach solid mass on tube and second case is without attach solid mass. The tube fixed to the drop-hammer was impacted against the stationary rigid plate at 5 or 10 m/s. For the case of tube attached solid mass, the site of the first buckling lobe occur at the portion where the solid mass attached. In second case without attach solid mass, the site first buckling lobe occurred varied and the slight wavy plastic deformation remained further that the buckling lobes.

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