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Vibration control of composite laminates using distributed smart layers

Murty, Krishna AV and Bhat, MS and Bhattacharya, Bishakh and Maiti, Sudipta (1996) Vibration control of composite laminates using distributed smart layers. In: SPIE:Smart Materials, Structures, and MEMS, 11 December, Bangalore, India, Vol.3321, 158-169.

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Abstract

Vibration reduction possibilities in laminated composite with one of the plies as actuation layer, have been investigated. Magnetostrictive and piezoelectric actuation have been considered. A comparative assessment of the vibration suppression performance of piezoelectric and magnetostrictive actuation in laminated composite beam has been presented. Variation of closed loop frequencies and damping coefficients with respect to the changes in ply lay up, active layer position and controller gain have been studied. A smart composite finite element for laminated beam analysis has been developed. Numerical results have been presented in typical cases, to indicate performance of the finite elements developed and also to indicate the variation of vibration reduction times with various geometric and control parameters

Item Type: Conference Paper
Department/Centre: Division of Mechanical Sciences > Aerospace Engineering (Formerly, Aeronautical Engineering)
Date Deposited: 02 Apr 2007
Last Modified: 27 Aug 2008 12:40
URI: http://eprints.iisc.ernet.in/id/eprint/10027

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