Buckling of spinning functionally graded graphene reinforced porous nanocomposite cylindrical shells: An analytical study

Dong, Y, He, L, Wang, L, Li, Y and Yang, J 2018, 'Buckling of spinning functionally graded graphene reinforced porous nanocomposite cylindrical shells: An analytical study', Aerospace Science and Technology, vol. 8283, pp. 466-478.


Document type: Journal Article
Collection: Journal Articles

Title Buckling of spinning functionally graded graphene reinforced porous nanocomposite cylindrical shells: An analytical study
Author(s) Dong, Y
He, L
Wang, L
Li, Y
Yang, J
Year 2018
Journal name Aerospace Science and Technology
Volume number 8283
Start page 466
End page 478
Total pages 13
Publisher Elsevier Masson
Abstract This paper investigates the buckling behavior of functionally graded graphene reinforced porous nanocomposite cylindrical shells with spinning motion and subjected to a combined action of external axial compressive force and radial pressure. The weight fraction of graphene platelet (GPL) nanofillers and porosity coefficient are constant in each concentric cylindrical shell but vary layer-wise through the thickness direction, resulting in position-dependent elastic moduli, mass density and Poisson's ratio along the shell thickness. The first-order shear deformation theory incorporated with the von Kármán's geometrical nonlinearity is employed to describe the pre-buckling deformation. The governing equations of the cylindrical shell are established by using the minimum potential energy principle where the centrifugal effect due to the spinning motion of the cylindrical shell is considered. The pre-buckling deformation is derived by adopting the Galerkin method, then the axial critical buckling force, radial critical buckling pressure and critical buckling hydrostatic pressure are obtained with the effect of pre-buckling deformation being taken into account. Special attention is given to the effects of the porosity coefficient, the weight fraction, the dispersion pattern, the geometrical size of the GPL and spinning speed of the cylindrical shell on the pre-buckling deformation and different types of critical buckling loads of the porous nanocomposite cylindrical shell.
Subject Solid Mechanics
Keyword(s) Buckling
Cylindrical shell
FG-GPL reinforced porous nanocomposite
First-order shear deformation theory
Spinning
DOI - identifier 10.1016/j.ast.2018.09.037
Copyright notice © 2018 Elsevier Masson SAS. All rights reserved.
ISSN 1270-9638
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