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Title: A Volume-Pėrturbation Approach to the Problem of Rayleigh Wave Scattering at a Rectangular Groove
Authors: Jeoti, V.
Jhunjhunwala, A.
Keywords: Acoustic Waves--Mathematical Models
Boundary Perturbation Formula
Bulk Acoustic Wave (BAW) Devices
Bulk Waves
Rayleigh Wave Scattering
Rectangular Groove
Volume Perturbation Approach
Acoustic Waves
Issue Date: 1992
Citation: IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control, 39(1), 127-137
Abstract: The problem of scattering of Rayleigh waves at a rectangular groove is addressed. Grooves are known to excite bulk waves upon scattering and, hence, are potential sources (albeit secondary) in bulk-acoustic-wave (BAW) devices. Herein the groove is formulated as a volume perturbation of the geometry. Modal method is used and the results of Rayleigh wave reflection as well as bulk wave radiation are obtained and compared with the results available in the literature. The method as such is also compared with the boundary perturbation formulation. ? 1992 IEEE
ISSN: 8853010
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