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Piezoelectric actuators have been widely used to form a self-monitoring smartsystem to do Structural health monitoring (SHM). One of the most fundamentalissues in using actuators is to determine the actuation effects beingtransferred from the actuators to the host structure. This report summaries thestate of the art of modeling techniques for piezoelectric actuators andprovides a numerical analysis of the static and dynamic electromechanicalbehavior of piezoelectric actuators surface-bonded to an elastic medium underin-plane mechanical and electric loads using finite element method. Also casestudy is conducted to study the effect of material properties, bonding layerand loading frequency using static and harmonic analysis of ANSYS. Finally,stresses and displacements are determined, and singularity behavior at the tipsof the actuator is proved. The results indicate that material properties,bonding layers and frequency have a significant influence on the stressestransferred to the host structure.

Modeling and analysis of the electromechanical behavior of surface-bonded piezoelectric actuators using finite element method