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Keywords: PWAS
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Proceedings Papers

Proc. ASME. IMECE2007, Volume 10: Mechanics of Solids and Structures, Parts A and B, 715-726, November 11–15, 2007
Paper No: IMECE2007-43570
... 26 05 2009 Crack detection with piezoelectric wafer active sensors (PWAS) is emerging as an effective and powerful technique in structural health monitoring (SHM). Modeling and simulation of PWAS and host structure play an important role in the SHM applications with PWAS. For decades...
Proceedings Papers

Proc. ASME. IMECE2005, Nondestructive Evaluation Engineering, 85-94, November 5–11, 2005
Paper No: IMECE2005-81721
... piezoelectric wafer active sensors (PWAS) to excite and receive Lamb waves. Three wave propagation methods were used: pitch-catch, pulse-echo, and the embedded ultrasonic structural radar (EUSR). In addition, we also used a standing-wave damage detection technique, the electro-mechanical impedance method...