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High-resolution elastic analysis of thin-ply composite laminates

Article dans une revue avec comité de lecture
Author
ZGHAL, Jihed
10921 Institut de Recherche en Génie Civil et Mécanique [GeM]
ccAMMAR, Amine
211916 Laboratoire Angevin de Mécanique, Procédés et InnovAtion [LAMPA]
ccCHINESTA SORIA, Francisco
BINETRUY, Christophe
10921 Institut de Recherche en Génie Civil et Mécanique [GeM]
ccABISSET-CHAVANNE, Emmanuelle
445111 Institut de Calcul Intensif [ICI]

URI
http://hdl.handle.net/10985/16635
DOI
10.1016/j.compstruct.2017.03.083
Date
2017
Journal
Composite Structures

Abstract

Several studies showed that thin-plies composite laminates apparently exhibit higher strength than its counterpart using thicker plies. In this work, a high-resolution numerical discretization based on the use of in-plane-out-of-plane separated representations within the Proper Generalized Decomposition PGD framework is performed in di erent composites laminates for determining the e ect of ply-thickness on the laminate sti ness. The results reveal that the global sti ness increases with the ply-thickness reduction. The analysis also reveals that this mechanical enhancement is due to structural e ects and not to the mechanical con nement initially advanced.

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