Optimization of ultrasonic transducers for selective guided wave actuation

Mateusz Miszczynski; Pawel Packo; Paulina Zbyrad; Tadeusz Stepinski; Tadeusz Uhl; Jerzy Lis; Kazimierz Wiatr

doi:10.1117/12.2219548

20 April 2016 Optimization of ultrasonic transducers for selective guided wave actuation

Mateusz Miszczynski, Pawel Packo, Paulina Zbyrad, Tadeusz Stepinski, Tadeusz Uhl, Jerzy Lis, Kazimierz Wiatr

Proceedings Volume 9803, Sensors and Smart Structures Technologies for Civil, Mechanical, and Aerospace Systems 2016; 98030J (2016) https://doi.org/10.1117/12.2219548
Event: SPIE Smart Structures and Materials + Nondestructive Evaluation and Health Monitoring, 2016, Las Vegas, Nevada, United States

Abstract

The application of guided waves using surface-bonded piezoceramic transducers for nondestructive testing (NDT) and Structural Health Monitoring (SHM) have shown great potential. However, due to difficulty in identification of individual wave modes resulting from their dispersive and multi-modal nature, selective mode excitement methods are highly desired. The presented work focuses on an optimization-based approach to design of a piezoelectric transducer for selective guided waves generation. The concept of the presented framework involves a Finite Element Method (FEM) model in the optimization process. The material of the transducer is optimized in topological sense with the aim of tuning piezoelectric properties for actuation of specific guided wave modes.

Citation Download Citation

Mateusz Miszczynski, Pawel Packo, Paulina Zbyrad, Tadeusz Stepinski, Tadeusz Uhl, Jerzy Lis, and Kazimierz Wiatr "Optimization of ultrasonic transducers for selective guided wave actuation", Proc. SPIE 9803, Sensors and Smart Structures Technologies for Civil, Mechanical, and Aerospace Systems 2016, 98030J (20 April 2016); https://doi.org/10.1117/12.2219548

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