Abstract
The effect of crack on load-bearing capacity and buckling behavior of cylindrical shells is an essential consideration in their design. In this paper, experimental and numerical buckling analysis of steel cylindrical shells of various lengths and diameters with cracks have been studied using the finite element method, and the effect of crack position, crack orientation and the crack length-to-cylindrical shell perimeter (λ = a/(2πr)) and shell length-to-diameter (L/D) ratios on the buckling and post-buckling behavior of cylindrical shells has been investigated. For several specimens, buckling test was performed using an INSTRON 8802 servo hydraulic machine, and the results of experimental tests were compared to numerical results. A very good correlation was observed between numerical simulation and experimental results. Finally, based on the experimental and numerical results, sensitivity of the buckling load to the shell length, crack length and orientation has also been investigated.
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Original Russian Text ©J. Saemi, M. Sedighi, M. Shariati, 2015, published in Izvestiya Akademii Nauk. Mekhanika Tverdogo Tela, 2015, No. 5, pp. 57–77.
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Saemi, J., Sedighi, M. & Shariati, M. Numerical and experimental study on buckling and postbuckling behavior of cracked cylindrical shells. Mech. Solids 50, 529–545 (2015). https://doi.org/10.3103/S0025654415050052
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DOI: https://doi.org/10.3103/S0025654415050052