Nonlinear free vibration of graded graphene reinforced cylindrical shells: Effects of spinning motion and axial load

Dong, Y, Zhu, B, Wang, Y, Li, Y and Yang, J 2018, 'Nonlinear free vibration of graded graphene reinforced cylindrical shells: Effects of spinning motion and axial load', Journal of Sound and Vibration, vol. 437, pp. 79-96.


Document type: Journal Article
Collection: Journal Articles

Title Nonlinear free vibration of graded graphene reinforced cylindrical shells: Effects of spinning motion and axial load
Author(s) Dong, Y
Zhu, B
Wang, Y
Li, Y
Yang, J
Year 2018
Journal name Journal of Sound and Vibration
Volume number 437
Start page 79
End page 96
Total pages 18
Publisher Elsevier Ltd
Abstract This paper presents an analytical study on linear and nonlinear free vibration characteristics and dynamic responses of spinning functionally graded (FG) graphene reinforced thin cylindrical shells with various boundary conditions and subjected to a static axial load. The weight fraction of graphene platelet (GPL) nanofillers in each concentric cylindrical layer is constant but follows a layer-wise variation through thickness direction, resulting in position-dependent elastic moduli, mass density and Poisson's ratio along the shell thickness. Based on the Donnell's nonlinear shell theory, the nonlinear partial differential equations of motion for the cylindrical shell are established by using the Hamilton's principle with the effects of centrifugal and Coriolis forces as well as the spin-induced initial hoop tension taken into account. The governing equations for nonlinear vibration of the nanocomposite cylindrical shell with different GPL dispersion patterns are derived from a set of nonlinear ordinary differential equations which are derived by employing the Galerkin approach. Dynamic responses of forward and backward travelling waves are investigated by analyzing the wave form and the frequency spectrum. Special attention is given to the effects of the weight fraction, dispersion patterns and the geometrical size of GPLs, the external axial load and spinning speeds of the cylindrical shell on the linear and nonlinear free vibrations of the nanocomposite cylindrical shell.
Subject Dynamics, Vibration and Vibration Control
Solid Mechanics
Keyword(s) Cylindrical shells
Functionally graded materials
Graphene nanoplatelets
Nonlinear free vibration
Spinning
DOI - identifier 10.1016/j.jsv.2018.08.036
Copyright notice © 2018 Elsevier Ltd. All rights reserved.
ISSN 0022-460X
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