We study the problem describing the incidence of a plane wave on a semiinfinite thin Kirchhoff plate with periodic traction-free-edge. We prove that any perturbation of the plate boundary, except for straight cracks parallel to the boundary, generates a trapped mode provided that the angle of incidence is not zero.
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Translated from Problemy Matematicheskogo Analiza 108, 2021, pp. 107-111.
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Matveenko, S.G. Decaying Solutions to the Diffraction Problem on a Semiinfinite Thin Kirchhoff Plate with Periodic Traction-Free-Edge. J Math Sci 255, 467–472 (2021). https://doi.org/10.1007/s10958-021-05385-4
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DOI: https://doi.org/10.1007/s10958-021-05385-4