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dc.contributor.authorGUENDOUZ, Ilies-
dc.date.accessioned2023-11-09T10:49:24Z-
dc.date.available2023-11-09T10:49:24Z-
dc.date.issued2023-11-08-
dc.identifier.urihttp://dspace.univ-guelma.dz/jspui/handle/123456789/14842-
dc.description.abstractIn this work, we present a torsional-bending analysis of different homogeneous or FGM beams using a refined beam theory built on 3D Saint-Venant’s solution (RBT/SV) and taking into account the edge effects. In this theory, the displacement models include Poisson's effects, out-of-plane deformations and distortions extracted from 3D Saint-Venant’s solution. These modes, which reflect the mechanical behavior of the cross-section, lead to a beam theory that actually corresponds to the cross-section type (shape and materials). To implement this approach, a tool called CSB (Cross-Section and Beam analysis) is provided and is based on a first cross-section analysis solved by 2D-FEM computations to get the sectional deformation modes, and then the equilibrium beam problem is solved by 1D-FEM computation according to the displacement model. The results obtained for RBT models are systematically compared with other models in the literature, 3D-FEM which we also consider as a reference, and those provided by the full Saint-Venant beam theory (SVBT) calculations. The results clearly show the efficiency of RBT by greatly improving the internal solution, and at the same time, a detailed 3D solution is obtained in the edge region.en_US
dc.language.isoenen_US
dc.subjectFGM, cross-section, refined beam theory, bending-torsional, distortional modesen_US
dc.titleContribution à la modélisation par MEF des structures en FGMen_US
dc.typeThesisen_US
Appears in Collections:Thèses de Doctorat

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