Examination Of Buckling Behaviour Of Axially Compressed Cylinder With Uneven Length

Tan, Zi Hao (2017) Examination Of Buckling Behaviour Of Axially Compressed Cylinder With Uneven Length. Project Report. UTeM, Melaka, Malaysia. (Submitted)

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Abstract

This research intends to investigate the effect of imperfect length on the buckling behavior of cylindrical shell. Seven mild steel cylinders were manufactured with a constant imperfect wavelength, 2A = 10% of the height of cylinders. All of the samples were manufactured with 1mm mild steel plate and the length-to-radius ratio is 2.4 and the ratio of wavelength to thickness is equal to 11.2. The cylindrical samples were all tested under axial compression. The collapse loads of all samples were validated by comparing the experimental results and the numerical results. In this project, all of the results show a small difference percentage of similarity, which is less than 10 percent between the experimental and numerical results. In addition, the boundary condition used in the numerical analysis was proved to be correct condition, which was x = 0, z = 0. These results can be validated by compared to the graphs and deformed shapes. From the results, it can be concluded that the collapsed load increases as the number of waves increases.

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