Abstract
A method of localization is proposed to lower the high order of equations in FEM calculation for the stability of a complex thin-walled structure. The localized analysis enables us to obtain both the upper and lower limits for the bifurcating point in a whole linear-elastic structural system, as well as an approximate solution to asymptotic post-buckling problem. Some numerical examples are included.
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Project supported by National Natural Science Foundation of China
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Baozong, H., Wencheng, Y. & Xiangfu, S. Localized analysis of thin-walled structure's buckling/initial post-buckling and its accuracy. Acta Mech Sinica 7, 162–168 (1991). https://doi.org/10.1007/BF02486844
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DOI: https://doi.org/10.1007/BF02486844