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1 Mechanika / Akademia Górniczo-Hutnicza im. St. Staszica

1 2003

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Dynamics and Vibrations of Smart Composite Plate Containing Piezoelectric Polymers. Application to Antifouling Process

Bouachrine A., Alaoui A., Rahmoune M. A. H.

Mechanika / Akademia Górniczo-Hutnicza im. St. Staszica

2003

T. 22, z. 3

231-238

This paper is concerned with the feasibility and efficiency of vibration control of composite plates with piezopolymer actuators in antifouling process. The idea is to design an intelligent structural system that is able to protect itself against the fouling. However, this requires the modelisation of vibrations of composite plate. We use the linear theory of elasticity to analyze the steady state vibrations of a simply supported rectangular linear elastic laminated plate with bonded PVDF polymer layers. Numerical results for a thin plate containing bonded actuator layers are presented. The optimum location of the centroid of the excited rectangular region that will result in the maximum out-of-plane displacement for a given distribution of the applied voltage is also determined. The main original results on the parameters governing the modal amplitudes, and application of this study to antifouling process are presented.