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Open AccessArticle

Effects of Varied Shear Correction on the Thermal Vibration of Functionally-Graded Material Shells in an Unsteady Supersonic Flow

Department of Mechanical Engineering, Hsiuping University of Science and Technology, Taichung 412-80, Taiwan
Academic Editor: Rafic Ajaj
Aerospace 2017, 4(1), 12; https://doi.org/10.3390/aerospace4010012
Received: 9 January 2017 / Revised: 7 February 2017 / Accepted: 21 February 2017 / Published: 1 March 2017
(This article belongs to the Special Issue Adaptive/Smart Structures and Multifunctional Materials 2016)
A model is presented for functionally-graded material (FGM), thick, circular cylindrical shells under an unsteady supersonic flow, following first-order shear deformation theory (FSDT) with varied shear correction coefficients. Some interesting vibration results of the dynamics are calculated by using the generalized differential quadrature (GDQ) method. The varied shear correction coefficients are usually functions of FGM total thickness, power law index, and environment temperature. Two parametric effects of the environmental temperature and FGM power law index on the thermal stress and center deflection are also presented. The novelty of the paper is that the maximum flutter value of the center deflection amplitude can be predicted and occurs at a high frequency of applied heat flux for a supersonic air flow. View Full-Text
Keywords: supersonic; FGM; varied shear correction coefficient supersonic; FGM; varied shear correction coefficient
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Hong, C.C. Effects of Varied Shear Correction on the Thermal Vibration of Functionally-Graded Material Shells in an Unsteady Supersonic Flow. Aerospace 2017, 4, 12.

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