NDLI: An Analytical Study to Free Vibration Control of Composite Beams With Piezoelectric Layers Based on First Order Shear Deformation Theory

Content Provider	The American Society of Mechanical Engineers (ASME) Digital Collection
Author	Bidokhti, Ali Abbaszadeh
Copyright Year	2010
Abstract	In this paper a new approach is applied to investigate the effects of piezoelectric materials on the damping properties of laminated composite beams. The active control is obtained by using an actuator and a sensor piezoelectric layer acting in a closed loop. The formulation is based on the first order shear deformation theory (FSDT). There are purely mechanical models in the literature, but only at a finite element level. Generally the electric quantities are condensed from an electromechanical finite element model. Here, an analytical study is performed to get equivalent beam equations that are of elastic type. The model is applicable. Analytical solutions are developed for simply supported composite beams with piezoelectric layers. A constant velocity feedback control algorithm is used to actively control the dynamic response of the structure through a closed loop control. Numerical results of vibration suppression effect for various locations and thickness of the piezoelectric layers, lay-up sequence, and control parameters are presented.
Sponsorship	International
Starting Page	345
Ending Page	350
Page Count	6
File Format	PDF
ISBN	9780791849163
DOI	10.1115/ESDA2010-25193
e-ISBN	9780791838778
Volume Number	ASME 2010 10th Biennial Conference on Engineering Systems Design and Analysis, Volume 2
Conference Proceedings	ASME 2010 10th Biennial Conference on Engineering Systems Design and Analysis
Language	English
Publisher Date	2010-07-12
Publisher Place	Istanbul, Turkey
Access Restriction	Subscribed
Subject Keyword	Damping Dynamic response Actuators Composite building materials Finite element model Algorithms Piezoelectric materials Free vibrations Feedback Shear deformation Vibration suppression Finite element analysis Sensors
Content Type	Text
Resource Type	Article

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