Abstract
One of the criteria in the structural design is the buckling stability of the components. In cracked plates, the buckling phenomenon can be affected by the cracks. Therefore, it is important to investigate the effect of crack length and location on the buckling behavior. In this paper, the buckling stability of plates with different sizes ranging from short to long off-center cracks was studied by using the experimental and numerical methods. For this purpose, the clamped-free plate specimens of 1100 aluminum alloy with a crack in different length and locations were subjected to uniaxial compressive load. The experimental data were complemented with the numerical results obtained from extended finite element analyses, in order to further study the effect of various crack parameters in different types of boundary conditions. The agreement between the test and numerical results was quite satisfactory. Based on the results, the effect of crack eccentricity largely depends on the type of plate supports; and for the plates with two opposite free edges, the larger crack, the lower buckling stability.
Published Version
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