Wave Propagation Analysis of CNT Reinforced Composite Micro-Tube Conveying Viscose Fluid in Visco-Pasternak Foundation Under 2D Multi-Physical Fields
Publish place: Journal of Solid Mechanics، Vol: 10، Issue: 2
Publish Year: 1397
نوع سند: مقاله ژورنالی
زبان: English
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JR_JSMA-10-2_001
تاریخ نمایه سازی: 12 اسفند 1398
Abstract:
In this research, wave propagation analysis in polymeric smart nanocomposite micro-tubes reinforced by single-walled carbon nanotubes (SWCNT) conveying fluid is studied. The surrounded elastic medium is simulated by visco-Pasternak model while the composite micro-tube undergoes electro-magneto-mechanical fields. By means of micromechanics method, the constitutive structural coefficients of nanocomposite are obtained. The fluid flow is assumed to be incompressible, viscous and irrotational and the dynamic modelling of fluid flow and fluid viscosity are calculated using Navier-Stokes equation. Micro-tube is simulated by Euler-Bernoulli and Timoshenko beam models. Based on energy method and the Hamilton’s principle, the equation of motion are derived and modified couple stress theory is utilized to consider the small scale effect. Results indicate the influences of various parameters such as the small scale, elastic medium, 2D magnetic field, velocity and viscosity of fluid and volume fraction of carbon nanotube (CNT). The result of this study can be useful in micro structure and construction industries.
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Authors
A. H Ghorbanpour Arani
Faculty of Mechanical Engineering, Amirkabir University of Technology, Hafez Avenue, Tehran, Iran
M.M Aghdam
Faculty of Mechanical Engineering, Amirkabir University of Technology, Hafez Avenue, Tehran, Iran
M.J Saeedian
Faculty of Mechanical Engineering, University of Kashan, Kashan, Iran
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