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Nonlinear dynamic analysis and vibration of shear deformable piezoelectric-FGM truncated conical shell resting on elastic foundations inthermal environments

Nguyen, Dinh Duc and Tran, Quoc Quan and Do, Quang Chan (2018) Nonlinear dynamic analysis and vibration of shear deformable piezoelectric-FGM truncated conical shell resting on elastic foundations inthermal environments. In: 2018 Theme Meeting on Multiscale Modelling of Materials for Sustainable Development (ACCMS), 7-9 September 2018, Hanoi, Vietnam. (In Press)

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Abstract

This study investigates the nonlinear dynamic analysis and vibration of shear deformable FGM truncated conical shell with piezoelectric actuators, resting on Pasternak type elastic foundations in thermal environments by the analytical approach. Material properties are graded in the thickness direction according to a simple power law distribution in terms of the fractions of constituents. The governing equations are based on the first-order shear deformation theory (FSDT) with a von Karman-Donnell-type of kinematic nonlinearity. The Hamilton’s principle is used to derive the equations of motion of piezoelectric FGM truncated conical shells. Those equations are solved by the Galerkin method and Runge-Kutta method. In numerical results, the effects of applied actuator voltage, temperature, dimensional parameters, semi-vertex angle, material properties and foundations on the nonlinear dynamic response and vibration of the piezoelectric FGM truncated conical shells are discussed in details.

Item Type: Conference or Workshop Item (Speech)
Subjects: Engineering Mechanics
Divisions: Faculty of Engineering Mechanics and Automation (FEMA)
Depositing User: Prof. Dinh Duc Nguyen
Date Deposited: 12 Dec 2018 15:15
Last Modified: 12 Dec 2018 15:15
URI: http://eprints.uet.vnu.edu.vn/eprints/id/eprint/3220

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