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Materials 2015, 8(2), 815-828; doi:10.3390/ma8020815

Damping Enhancement of Composite Panels by Inclusion of Shunted Piezoelectric Patches: A Wave-Based Modelling Approach

Division of Materials, Mechanics and Structures, University Park, the University of Nottingham, Nottingham NG7 2RD, UK
LTDS, UMR-CNRS 5513, 36 Avenue Guy de Collongue, 69130 Ecully, France
Ecole Centrale de Lyon, 36 Avenue Guy de Collongue, 69130 Ecully, France
Author to whom correspondence should be addressed.
Academic Editor: Tahir Shah
Received: 24 November 2014 / Revised: 7 January 2015 / Accepted: 12 February 2015 / Published: 17 February 2015
(This article belongs to the Special Issue Smart Materials)
View Full-Text   |   Download PDF [379 KB, uploaded 17 February 2015]   |  


The waves propagating within complex smart structures are hereby computed by employing a wave and finite element method. The structures can be of arbitrary layering and of complex geometric characteristics as long as they exhibit two-dimensional periodicity. The piezoelectric coupling phenomena are considered within the finite element formulation. The mass, stiffness and piezoelectric stiffness matrices of the modelled segment can be extracted using a conventional finite element code. The post-processing of these matrices involves the formulation of an eigenproblem whose solutions provide the phase velocities for each wave propagating within the structure and for any chosen direction of propagation. The model is then modified in order to account for a shunted piezoelectric patch connected to the composite structure. The impact of the energy dissipation induced by the shunted circuit on the total damping loss factor of the composite panel is then computed. The influence of the additional mass and stiffness provided by the attached piezoelectric devices on the wave propagation characteristics of the structure is also investigated. View Full-Text
Keywords: damping; wave propagation; piezoelectricity; composite structures damping; wave propagation; piezoelectricity; composite structures

This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Chronopoulos, D.; Collet, M.; Ichchou, M. Damping Enhancement of Composite Panels by Inclusion of Shunted Piezoelectric Patches: A Wave-Based Modelling Approach. Materials 2015, 8, 815-828.

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