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Mechanics of Advanced Materials and Structures Volume 21, 2014 - Issue 5
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Original Articles

Vibration Characteristics and Its Active Control of Smart Functionally Graded Circular Cylindrical Panels in Thermal Environments

Lang Zhang School of Aerospace and Materials Engineering, National University of Defense Technology, Changsha, Hunan, P.R. China
,
Puyun Gao School of Aerospace and Materials Engineering, National University of Defense Technology, Changsha, Hunan, P.R. China
,
Dongxu Li School of Aerospace and Materials Engineering, National University of Defense Technology, Changsha, Hunan, P.R. China
&
Xue Wang School of Aerospace and Materials Engineering, National University of Defense Technology, Changsha, Hunan, P.R. China
Pages 362-375 | Received 09 Oct 2010, Accepted 08 Sep 2011, Published online: 30 Jan 2014
 
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Abstract

Based on the higher order shear deformation theory and the Hamilton principle, this article derives the equations to govern the displacement and electric potential of smart functionally graded (FG) circular cylindrical panels with surface embedded on actuator and sensor layers. The analytical solution considering simply supported boundary conditions is based on the Navier solution procedure. Negative velocity feedback control is used. Numerical results show the influence of (a) different volume fractions of FG material layer, (b) different temperature change of inner surface, (c) different central angle of circular cylindrical panels, (d) different piezoelectric material (PZT-4, BaTiO3, PZT-5A), on the vibration characteristics of smart FG circular cylindrical panels in thermal environmental.

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