High-resolution elastic analysis of thin-ply composite laminates

Jihed Zghal (1, 2) , Amine Ammar (2) , Francisco Chinesta (3) , Christophe Binetruy (1) , Emmanuelle Abisset-Chavanne (3)

1 GeM - Institut de Recherche en Génie Civil et Mécanique
2 LAMPA - Laboratoire Angevin de Mécanique, Procédés et InnovAtion
3 ICI - Institut de Calcul Intensif

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 different composites laminates for determining the effect of ply-thickness on the laminate stiffness. The results reveal that the global stiffness increases with the ply-thickness reduction. The analysis also reveals that this mechanical enhancement is due to structural effects and not to the mechanical confinement initially advanced.

Mots clés: Proper Generalized Decomposition; In-plane-out-of-plane separated representation; Advanced simulation; Composite performances; Thin-ply composite laminate

Domaines: Mécanique [physics.med-ph]

Jihed Zghal, Amine Ammar, Francisco Chinesta, Christophe Binetruy, Emmanuelle Abisset-Chavanne. High-resolution elastic analysis of thin-ply composite laminates. Composite Structures, 2017, pp.12. ⟨10.1016/j.compstruct.2017.03.083⟩. ⟨hal-02284774⟩