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Guided waves propagating in a piezoelectric solid/fluid bi-layer system

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摘要

This study shows a theoretical modeling and experimental measurements for a piezoelectric plate loaded with a dielectric fluid layer on a single side. The fluid layer is modeled as equivalent elastic body with mass density and wave velocities same as the fluid. The theoretical model is based on a recursive asymptotic stiffness matrix method. A laser ultrasound technique is used to measure the dispersion relations. This study also investigates several parameters influencing the propagating behaviors of the bi-layer system. For all the investigated cases, the theoretical dispersion spectra agree well with the measurements. Finally, coupling effects for the guided modes propagating in the fluid-layer-loaded plate are characterized while the thickness varies.

原文English
主出版物標題Review of Progress in Quantitative Nondestructive Evaluation
頁面2038-2043
頁數6
DOIs
出版狀態Published - 2010
事件36th Annual Review of Progress in Quantitative Nondestructive Evaluation, QNDE - Kingston, RI, United States
持續時間: 26 7月 200931 7月 2009

出版系列

名字AIP Conference Proceedings
1211
ISSN(列印)0094-243X
ISSN(電子)1551-7616

Conference

Conference36th Annual Review of Progress in Quantitative Nondestructive Evaluation, QNDE
國家/地區United States
城市Kingston, RI
期間26/07/0931/07/09

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