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Potel C, Baly S, de Belleval JF, et al. Deviation of a monochromatic Lamb wave beam in anisotropic multilayered media: asymptotic analysis, numerical and experimental results. IEEE Trans Ultrason Ferroelectr Freq Control. 2005;52(6):987-1001doi: 10.1109/tuffc.2005.1504021.
Potel, C., Baly, S., de Belleval, J. F., Lowe, M., & Gatignol, P. (2005). Deviation of a monochromatic Lamb wave beam in anisotropic multilayered media: asymptotic analysis, numerical and experimental results. IEEE transactions on ultrasonics, ferroelectrics, and frequency control, 52(6), 987-1001. https://doi.org/10.1109/tuffc.2005.1504021
Potel, Catherine, et al. "Deviation of a monochromatic Lamb wave beam in anisotropic multilayered media: asymptotic analysis, numerical and experimental results." IEEE transactions on ultrasonics, ferroelectrics, and frequency control vol. 52,6 (2005): 987-1001. doi: https://doi.org/10.1109/tuffc.2005.1504021
Potel C, Baly S, de Belleval JF, Lowe M, Gatignol P. Deviation of a monochromatic Lamb wave beam in anisotropic multilayered media: asymptotic analysis, numerical and experimental results. IEEE Trans Ultrason Ferroelectr Freq Control. 2005 Jun;52(6):987-1001. doi: 10.1109/tuffc.2005.1504021. PMID: 16118980.
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IEEE Trans Ultrason Ferroelectr Freq Control. 2005 Jun;52(6):987-1001. doi: 10.1109/tuffc.2005.1504021.

Deviation of a monochromatic Lamb wave beam in anisotropic multilayered media: asymptotic analysis, numerical and experimental results.

IEEE transactions on ultrasonics, ferroelectrics, and frequency control

Catherine Potel, Stéphane Baly, Jean-François de Belleval, Mike Lowe, Philippe Gatignol

Affiliations

  1. Laboratoire d'Acoustique, Université du Maine (LAUM), UMR CNRS 6613, Avenue Olivier Messiaen, 72 085 Le Mans, Cedex 9, France. [email protected]

PMID: 16118980 DOI: 10.1109/tuffc.2005.1504021

Abstract

The aim of this paper is threefold: to describe the physical phenomenon of the excitation of modal waves such as Lamb waves, in anisotropic multilayered media, by a monochromatic incident beam, using an asymptotic approach; to present a three-dimensional model using the decomposition of the incident beam into monochromatic plane waves (the formalism is applied to the particle displacement vector); to illustrate the phenomenon both numerically and experimentally. Numerical and experimental maps of the reflected field of pressure are presented, and the reradiation of the Lamb wave beam in an oblique plane is theoretically and numerically illustrated.

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