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Masanori KOSHIBA Toshiaki MIKI Kazuhiro OOISHI Michio SUZUKI
The finite-element solutions of the discontinuity problems in a dielectric slab waveguide bounded by perfect electric or magnetic conductors are examined numerically and it is confirmed that the finite-element formulation for the bounded configuration facilitates solving the discontinuity problems in an open surface waveguide by placing the bounds appropriately away from the guiding surface.
Masanori KOSHIBA Toshiaki MIKI Michio SUZUKI
A numerical approach for the solution of the scattering by the discontinuities in an elastic plate waveguide for SH waves is described. The approach is a combination of the boundary element method and the analytical method. The results by this approach for the step discontinuity in a plate waveguide agree well with earlier theoretical results.