Magneto-Thermo-Elastic Behavior of Cylinder Reinforced with FG SWCNTs Under Transient Thermal Field
Publish place: Journal of Solid Mechanics، Vol: 3، Issue: 1
Publish Year: 1390
نوع سند: مقاله ژورنالی
زبان: English
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شناسه ملی سند علمی:
JR_JSMA-3-1_002
تاریخ نمایه سازی: 28 مرداد 1402
Abstract:
In this article, magneto-thermo-elastic stresses and perturbation of magnetic field vector are analyzed for a thick-walled cylinder made from polystyrene, reinforced with functionally graded (FG) single-walled carbon nanotubes (SWCNTs) in radial direction, while subjected to an axial and uniform magnetic field as well as a transient thermal field. Generalized plane strain state is considered in this study. The SWCNTs are assumed aligned, straight with infinite length. Two types of variations in the volume fraction of SWCNTs were considered in the structure of the FG cylinder along the radius from inner to outer surface, namely: functionally graded increasing (FG Inc) and functionally graded decreasing (FG Dec) which are then compared with uniformly distributed (UD) layouts. The constitutive equations of this type of reinforced polymeric cylinder are derived by Mori-Tanaka method. Following the introduction of a second order partial differential equation derived from the equations of motion and stress-strain relationships and solving by a semi-analytical method, distribution of stresses and perturbation of magnetic field vector are obtained. Results indicate that maximum radial and circumferential stresses occur in FG Inc and FG Dec layouts, respectively. Maximum perturbation of magnetic field vector is not affected by UD layout.
Keywords:
Magneto-thermo-elastic stresses , Perturbation of Magnetic Field Vector , FG SWCNTs , Cylinder , Transient thermal field
Authors
A Ghorbanpour Arani
Department of Mechanical Engineering, Faculty of Engineering, University of Kashan---- Institute of Nano science & Nanotechnology, University of Kashan
M.R Mozdianfard
Department of Chemical Engineering, Faculty of Engineering, University of Kashan
V Sadooghi
Department of Mechanical Engineering, Faculty of Engineering, University of Kashan
M Mohammadimehr
Department of Mechanical Engineering, Faculty of Engineering, University of Kashan
R Kolahchi
Department of Mechanical Engineering, Faculty of Engineering, University of Kashan
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