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On the free vibration behavior of nanocomposite laminated plates contained piece-wise functionally graded graphene-reinforced composite plies
Highlights Free vibration analysis of piece-wise FG-GRC laminated plates is investigated using first-order shear deformation plate theory. The vibration characteristics of the FG-GRC laminated plates are investigated by considering deferent lay-up arrangement and plies number. The graded dispersions of the graphene nano-reinforcement are modeled using the piece-wise technique. The effective mechanical properties of the FG-GRC plates are calculated by using the extended Halpin-Tsai model. New suggestions are presented with the aim of providing useful remarks and new design criteria for future and innovative nanocomposite structures.
Abstract The numerical answer to the free vibration behavior of laminated plate structure contained piece-wise carbon-based nanocomposites plies is investigated. Plies are made from a combination of an isotropic polymer matrix and a nanoscale carbon-based reinforcements namely graphene. The graphene reinforcements are dispersed across the plate thickness either in uniform or non-uniform fashion according to four different distribution patterns. To assess the effect of the grading graphene patterns five types of lay-up arrangements are comparatively investigated. The effective elastic moduli of the laminated nanocomposite including Young’s and shear moduli are obtained by using the so-called extended Halpin-Tsai model. Theoretical approaches are based on the first-order shear deformation theory (FSDT), while Lagrange's equation and a finite element formulation are employed to derive the natural frequencies. The accuracy of the results using the present framework model is examined with those available in previous attempts and an excellent agreement is achieved. A large range of parametric studies was carried out with a view to investigate the effect of several factors including lay-up arrangements, graphene distribution patterns, lamination sequence, plate geometric parameters, plate boundary conditions, and plate mode shapes on the free vibration behavior of functionally graded graphene-reinforced composite (FG-GRC) laminated plates. New suggestions are presented with the aim of providing useful remarks and new design criteria for future and innovative nanocomposite structures.
On the free vibration behavior of nanocomposite laminated plates contained piece-wise functionally graded graphene-reinforced composite plies
Highlights Free vibration analysis of piece-wise FG-GRC laminated plates is investigated using first-order shear deformation plate theory. The vibration characteristics of the FG-GRC laminated plates are investigated by considering deferent lay-up arrangement and plies number. The graded dispersions of the graphene nano-reinforcement are modeled using the piece-wise technique. The effective mechanical properties of the FG-GRC plates are calculated by using the extended Halpin-Tsai model. New suggestions are presented with the aim of providing useful remarks and new design criteria for future and innovative nanocomposite structures.
Abstract The numerical answer to the free vibration behavior of laminated plate structure contained piece-wise carbon-based nanocomposites plies is investigated. Plies are made from a combination of an isotropic polymer matrix and a nanoscale carbon-based reinforcements namely graphene. The graphene reinforcements are dispersed across the plate thickness either in uniform or non-uniform fashion according to four different distribution patterns. To assess the effect of the grading graphene patterns five types of lay-up arrangements are comparatively investigated. The effective elastic moduli of the laminated nanocomposite including Young’s and shear moduli are obtained by using the so-called extended Halpin-Tsai model. Theoretical approaches are based on the first-order shear deformation theory (FSDT), while Lagrange's equation and a finite element formulation are employed to derive the natural frequencies. The accuracy of the results using the present framework model is examined with those available in previous attempts and an excellent agreement is achieved. A large range of parametric studies was carried out with a view to investigate the effect of several factors including lay-up arrangements, graphene distribution patterns, lamination sequence, plate geometric parameters, plate boundary conditions, and plate mode shapes on the free vibration behavior of functionally graded graphene-reinforced composite (FG-GRC) laminated plates. New suggestions are presented with the aim of providing useful remarks and new design criteria for future and innovative nanocomposite structures.
On the free vibration behavior of nanocomposite laminated plates contained piece-wise functionally graded graphene-reinforced composite plies
Saiah, Berkane (author) / Bachene, Mourad (author) / Guemana, Mouloud (author) / Chiker, Yasser (author) / Attaf, Brahim (author)
Engineering Structures ; 253
2021-12-18
Article (Journal)
Electronic Resource
English
A design of laminated composite plates using graded orthotropic fiber-reinforced composite plies
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