Analysis of active damping in composite laminate cylindrical shells of revolution with skewed PVDF sensors/actuators

Saravanan, C. ; Ganesan, N. ; Ramamurti, V. (2000) Analysis of active damping in composite laminate cylindrical shells of revolution with skewed PVDF sensors/actuators Composite Structures, 48 (4). pp. 305-318. ISSN 0263-8223

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Official URL: http://www.sciencedirect.com/science/article/pii/S...

Related URL: http://dx.doi.org/10.1016/S0263-8223(99)00118-X

Abstract

Active damping in a FRP composite cylindrical shell with collocated piezoelectric sensors/actuators is studied. The electrode on the sensors/actuators are spatially shaped to reduce spillover between circumferential modes. A three noded, isoparametric, semianalytical finite element is developed and used to model the cylindrical shell. The element is based on a mixed piezoelectric shell theory which makes a single layer assumption for the displacements and a layerwise assumption for the electric potential. The effects of location of patch of collocated piezoelectric sensors/actuators, percentage length of the shell covered with these patches, fiber angle of the laminae in the composite laminate, stacking sequence of laminae in a laminate and skew angle of the sensor/actuator piezoelectric material, on the system damping for various modes is studied.

Item Type:Article
Source:Copyright of this article belongs to Elsevier Science.
Keywords:Shells; Active Vibration Control; Finite Element Analysis; Modal Sensors; Piezoelectric; Composites
ID Code:63941
Deposited On:03 Oct 2011 10:08
Last Modified:03 Oct 2011 10:08

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