Buckling of variable section columns under axial loading / Darbandi, S. M. in Journal of engineering mechanics, Vol. 136 N° 4 (Avril 2010)  

Public ISBD [article]  inJournal of engineering mechanics > Vol. 136 N° 4 (Avril 2010) . - pp. 472-476 Titre : Buckling of variable section columns under axial loading Type de document : texte imprimé Auteurs : Darbandi, S. M., Auteur ; Firouz-Abadi, R. D., Auteur ; Haddadpour, H., Auteur Article en page(s) : pp. 472-476 Note générale : Mécanique appliquée Langues : Anglais (eng) Mots-clés : Columns Buckling Axial loads Closed form solutions. Résumé : In this paper, the static stability of the variable cross section columns, subjected to distributed axial force, is considered. The presented solution is based on the singular perturbation method of Wentzel-Kramers-Brillouin and the column is modeled using Euler-Bernoulli beam theory. Closed-form solutions are obtained for calculation of buckling loads and the corresponding mode shapes. The obtained results are compared with the results in the literature to verify the present approach. Using numerous examples, it is shown that the represented solution has a very good convergence and accuracy for determination of the instability condition. DEWEY : 620.1 ISSN : 0733-9399 En ligne : http://ascelibrary.aip.org/vsearch/servlet/VerityServlet?KEY=JENMDT&smode=strres [...] [article] Buckling of variable section columns under axial loading [texte imprimé] / Darbandi, S. M., Auteur ; Firouz-Abadi, R. D., Auteur ; Haddadpour, H., Auteur . - pp. 472-476. Mécanique appliquée Langues : Anglais (eng) in Journal of engineering mechanics > Vol. 136 N° 4 (Avril 2010) . - pp. 472-476 Mots-clés : Columns Buckling Axial loads Closed form solutions. Résumé : In this paper, the static stability of the variable cross section columns, subjected to distributed axial force, is considered. The presented solution is based on the singular perturbation method of Wentzel-Kramers-Brillouin and the column is modeled using Euler-Bernoulli beam theory. Closed-form solutions are obtained for calculation of buckling loads and the corresponding mode shapes. The obtained results are compared with the results in the literature to verify the present approach. Using numerous examples, it is shown that the represented solution has a very good convergence and accuracy for determination of the instability condition. DEWEY : 620.1 ISSN : 0733-9399 En ligne : http://ascelibrary.aip.org/vsearch/servlet/VerityServlet?KEY=JENMDT&smode=strres [...]

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