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Finite-Element Analysis of Discontinuity Problem of SH-Type Modes in a Piezoelectric Plate Waveguide
Masanori KOSHIBA Hikaru MORITA Michio SUZUKI
IEICE TRANSACTIONS (1976-1990)
Publication Date: 1982/09/25
Print ISSN: 0000-0000
Type of Manuscript: PAPER
Full Text: PDF(372.1KB)
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A method for the solution of the discontinuity problem of SH-type modes in a piezoelectric plate waveguide of crystal symmetry 6 mm is described. The approach is a combination of the finite-element and the analytical method. This method can also be applied to the discontinuity problem of SH-type piezoelectric surface modes by increasing the plate-thickness. The numerical examples on the reflection, transmission and bulk wave scattering of Bleustein-Gulyaev waves by a groove, a rib and an overlay in an oversize piezoelectric plate waveguide are given.