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SECONDARY BIFURCATIONS OF A SLENDER ELASTIC BAR UNDER AXIAL COMPRESSION[J]. Chinese Journal of Theoretical and Applied Mechanics, 1991, 23(3): 347-354. DOI: 10.6052/0459-1879-1991-3-1995-847
Citation: SECONDARY BIFURCATIONS OF A SLENDER ELASTIC BAR UNDER AXIAL COMPRESSION[J]. Chinese Journal of Theoretical and Applied Mechanics, 1991, 23(3): 347-354. DOI: 10.6052/0459-1879-1991-3-1995-847

SECONDARY BIFURCATIONS OF A SLENDER ELASTIC BAR UNDER AXIAL COMPRESSION

  • Based on the equilibrium equation of an elastic curved bar in [1] , the post-buckling behavior of a slender bar with rectangular cross-section under axial compression is studied. Let the ratio of the lengths of the sides of the cross-section be 1:26. By using Poin-care-Keller's shooting method and introducing rescaling functions, we investigate the case in which 6 is in a neighborhood of δ0= 1. The secondary bifurcations of the equilibrium state of the bar are found whenδ≠1; we also give the asymptotic unfo...
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