Variational principles of partial - interaction composite beams / Rongqiao Xu in Journal of engineering mechanics, Vol. 138 N° 5 (Mai 2012)  

Public ISBD [article]  inJournal of engineering mechanics > Vol. 138 N° 5 (Mai 2012) . - pp.542-551 Titre : Variational principles of partial - interaction composite beams Type de document : texte imprimé Auteurs : Rongqiao Xu, Auteur ; Dequan Chen, Auteur Année de publication : 2012 Article en page(s) : pp.542-551 Note générale : Mécanique appliquée Langues : Anglais (eng) Mots-clés : Composite beams Partial-interaction Variational theorem Résumé : This work presents the principle of virtual work and reciprocal theorem of partial-interaction composite beams. The principle of minimum potential energy is also obtained and proved along with the variational formulae for the frequency of free vibration and the critical load of buckling of partial-interaction composite beams. Approximate solutions for bending, vibration, and buckling are finally given to demonstrate their applications. It is shown that the deflections, resonant frequencies, and critical loads of buckling of composite beams under different boundary conditions can be readily obtained with enough accuracy by using these variational principles. ISSN : 0733-9399 En ligne : http://ascelibrary.org/doi/abs/10.1061/%28ASCE%29EM.1943-7889.0000364 [article] Variational principles of partial - interaction composite beams [texte imprimé] / Rongqiao Xu, Auteur ; Dequan Chen, Auteur . - 2012 . - pp.542-551. Mécanique appliquée Langues : Anglais (eng) in Journal of engineering mechanics > Vol. 138 N° 5 (Mai 2012) . - pp.542-551 Mots-clés : Composite beams Partial-interaction Variational theorem Résumé : This work presents the principle of virtual work and reciprocal theorem of partial-interaction composite beams. The principle of minimum potential energy is also obtained and proved along with the variational formulae for the frequency of free vibration and the critical load of buckling of partial-interaction composite beams. Approximate solutions for bending, vibration, and buckling are finally given to demonstrate their applications. It is shown that the deflections, resonant frequencies, and critical loads of buckling of composite beams under different boundary conditions can be readily obtained with enough accuracy by using these variational principles. ISSN : 0733-9399 En ligne : http://ascelibrary.org/doi/abs/10.1061/%28ASCE%29EM.1943-7889.0000364

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