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|Title:||Lamb wave propagation in a metallic semi-infinite medium covered with piezoelectric layer|
|Citation:||Jin, J., Wang, Q., Quek, S.T. (2002-04-30). Lamb wave propagation in a metallic semi-infinite medium covered with piezoelectric layer. International Journal of Solids and Structures 39 (9) : 2547-2556. ScholarBank@NUS Repository. https://doi.org/10.1016/S0020-7683(02)00091-4|
|Abstract:||The Lamb wave propagation in a metallic semi-infinite medium covered with a piezoelectric layer is studied in this paper. The numerical solution of the dispersion curve is simplified by segmenting the phase velocity spectrum into different ranges based on the longitudinal and transverse wave velocities of both materials, and using different forms of wave equations. The results show that the dispersion curves are asymptotic to the transverse velocity of the piezoelectric layer as the wave number increases. The first two mode shapes of the electric potential correspond to a half-cosine distribution at low wave number and a full-sinusoidal distribution at relatively higher wave number. © 2002 Elsevier Science Ltd. All rights reserved.|
|Source Title:||International Journal of Solids and Structures|
|Appears in Collections:||Staff Publications|
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