Chaotic motion analysis of fluid-conveying viscoelastic nanotubes

Farajpour, Ali, Farokhi, Hamed and Ghayesh, Mergen (2019) Chaotic motion analysis of fluid-conveying viscoelastic nanotubes. European Journal of Mechanics - A/Solids, 74. pp. 281-296. ISSN 0997-7538

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Chaotic motion analysis of fluid-conveying viscoelastic nanotubes.pdf - Accepted Version
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Official URL: https://doi.org/10.1016/j.euromechsol.2018.11.012

Abstract

In the current analysis, an attempt is made to develop a nonlinear size-dependent fluid-structure interaction model for the chaotic motion of nanofluid-conveying nanotubes subject to an external excitation. The material properties of the nanotube are assumed to be viscoelastic. Size effects in both solid and fluid nanoscale parts are taken into consideration. In addition, the effects of both centripetal and Coriolis accelerations are incorporated in the model. Using Hamilton's principle, the nonlocal strain gradient elasticity and the Beskok-Karniadaki theory, the nonlinear size-dependent governing equation is derived. For developing a precise solution approach, Galerkin's procedure and a direct-time-integration method are eventually used. Different parameters of the nanosystem are taken into consideration to study the size-dependent chaotic motion of the viscoelastic nanotube conveying nanofluid subject to a harmonic excitation.

Item Type: Article
Uncontrolled Keywords: Chaos, Fluid-conveying nanotubes, Internal energy loss, Nonlocal strain gradient model
Subjects: F300 Physics
H300 Mechanical Engineering
Department: Faculties > Engineering and Environment > Mechanical and Construction Engineering
Depositing User: Becky Skoyles
Date Deposited: 03 Jan 2019 15:53
Last Modified: 01 Mar 2019 15:45
URI: http://nrl.northumbria.ac.uk/id/eprint/37449

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