Abstract
The integration of composite beam with piezoelectric materials has been under a considerable attention to obtain active lightweight material. Smart materials will control the system in terms of reducing the vibrations amplitude and frequency so as to improve the efficiency of the system. Piezoelectric materials are often used to design smart structures in industrial, medical, military and scientific areas. The aim of the present study is to study the free vibration behaviour of a smart composite beam structure. Smart beam consists of composite beam modelled in cantilever configuration with PZT patches. The modal analysis of the smart cantilever beam was performed using the ANSYS software to reveal the fundamental modal frequencies and modal shapes. It can be inferred that the Modal analysis performed is usefull for applications in structural health monitoring of the smart composite structures. The changes in the mode shapes are used as an indicator to ascertain the damage to the smart composte beam structure.
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