Effective methods for the analysis of st
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E.S. Mistakidis; K.T. Thomopoulos; M.Ap. Tzaferopoulos
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Article
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1997
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Elsevier Science
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English
β 851 KB
In this paper two methods are presented for the solution of steel structures taking into account softening phenomena. This behaviour results from the coupling of local buckling and lateral-torsional buckling phenomena and leads to a nonconvex function of the potential energy of the structure. The pr