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Performance evaluation of finite difference and finite element methods applied to flexible thin plate for active vibration control

Tavakolpour, Ali Reza and Mat Darus, Intan Zaurah and Mailah, Musa (2008) Performance evaluation of finite difference and finite element methods applied to flexible thin plate for active vibration control. In: ACMOS '08: Proceedings Of The 10Th Wseas International Conference On Automatic Control, Modelling And Simulation. Electrical And Computer Engineering . World Scientific And Engineering Acad And Soc, Athens, Grece, pp. 230-236. ISBN 978-960-6766-63-3

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Abstract

This research presents an investigation into the performance evaluation of Finite Difference (FD) method in modeling a flexible rectangular thin plate structure for real-time application. Using FD method, an appropriate model of a thin plate was derived and the corresponding natural frequencies were estimated. Then, Finite Element (FE) modeling of the plate system was implemented using the ANSYS software and the corresponding modes of vibration were computed by modal analysis. The obtained vibration modes for both models were then evaluated and compared. The effectiveness of FD method for real time application were verified by comparative assessment of the obtained natural frequencies with the exact value reported by other researchers. The FD method was found to be the better choice than FE method to model a plate structure for real-time active vibration control.

Item Type:Book Section
Additional Information:ISBN: 978-960-6766-63-3; 10th WSEAS International Conference on Automatic Control, Modelling and Simulation, Istanbul, Turkey, May 27-30, 2008
Uncontrolled Keywords:finite difference, finite element, flexible thin plate, active vibration control
Subjects:T Technology > TJ Mechanical engineering and machinery
Divisions:Mechanical Engineering
ID Code:12850
Deposited By: Mrs Liza Porijo
Deposited On:04 Jul 2011 01:28
Last Modified:04 Jul 2011 01:28

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