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On the flexural analysis of sandwich and composite arches through an isoparametric higher-order model / Sudhakar R. Marur in Journal of engineering mechanics, Vol. 135 N° 7 (Juillet 2009) 

Public ISBD [article]  in Journal of engineering mechanics > Vol. 135 N° 7 (Juillet 2009) . - pp. 614-631 Titre : On the flexural analysis of sandwich and composite arches through an isoparametric higher-order model Type de document : texte imprimé Auteurs : Sudhakar R. Marur, Auteur ; Tarun Kant, Auteur Article en page(s) : pp. 614-631 Note générale : Mécanique appliquée Langues : Anglais (eng) Mots-clés : Sandwich  structures  Composite  structures  Arches  Static  loads. Résumé : A higher-order arch model with seven degrees of freedom per node is proposed to study the deep, shallow, thick, and thin composite and sandwich arches under static loads. The strain field is modeled through cubic axial, cubic transverse shear, and linear transverse normal strain components. As the cross-sectional warping is accurately modeled by this theory, it does not require any shear correction factor. The stress-strain relationship is derived from an orthotropic lamina in a three-dimensional state of stress. The proposed formulation is validated through models with various curvatures, aspect ratios, boundary conditions, materials, and loading conditions. DEWEY : 620.1 ISSN : 0733-9399 En ligne : http://ascelibrary.aip.org/vsearch/servlet/VerityServlet?KEY=JENMDT&smode=strres [...] [article] On the flexural analysis of sandwich and composite arches through an isoparametric higher-order model [texte imprimé] / Sudhakar R. Marur, Auteur ; Tarun Kant, Auteur . - pp. 614-631. Mécanique appliquée Langues : Anglais (eng) in Journal of engineering mechanics > Vol. 135 N° 7 (Juillet 2009) . - pp. 614-631 Mots-clés : Sandwich  structures  Composite  structures  Arches  Static  loads. Résumé : A higher-order arch model with seven degrees of freedom per node is proposed to study the deep, shallow, thick, and thin composite and sandwich arches under static loads. The strain field is modeled through cubic axial, cubic transverse shear, and linear transverse normal strain components. As the cross-sectional warping is accurately modeled by this theory, it does not require any shear correction factor. The stress-strain relationship is derived from an orthotropic lamina in a three-dimensional state of stress. The proposed formulation is validated through models with various curvatures, aspect ratios, boundary conditions, materials, and loading conditions. DEWEY : 620.1 ISSN : 0733-9399 En ligne : http://ascelibrary.aip.org/vsearch/servlet/VerityServlet?KEY=JENMDT&smode=strres [...]