A time domain spectral element model for piezoelectric excitation of Lamb waves in isotropic plates

Ramy Mohamed; Patrice Masson

doi:10.1117/12.847770

8 April 2010 A time domain spectral element model for piezoelectric excitation of Lamb waves in isotropic plates

Ramy Mohamed, Patrice Masson

Proceedings Volume 7650, Health Monitoring of Structural and Biological Systems 2010; 76502G (2010) https://doi.org/10.1117/12.847770
Event: SPIE Smart Structures and Materials + Nondestructive Evaluation and Health Monitoring, 2010, San Diego, California, United States

Abstract

A 2D model based on Legendre spectral element method (SEM) of a piezoceramic (PZT) patch coupled with an isotropic plate is developed in details, based on coupled linear piezoelectricity and elastodynamic equations. The simulation results are validated experimentally using a notched aluminum plate with surface bonded PZTs, for both actuation and sensing. Good agreement between simulation and experimental results is demonstrated for the fundamental Lamb modes A₀ and S₀, for a frequency band up to 0.75 MHz.mm on a 1.54 mm thick plate.

Citation Download Citation

Ramy Mohamed and Patrice Masson "A time domain spectral element model for piezoelectric excitation of Lamb waves in isotropic plates", Proc. SPIE 7650, Health Monitoring of Structural and Biological Systems 2010, 76502G (8 April 2010); https://doi.org/10.1117/12.847770

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