najoNanosystems: Physics, Chemistry, MathematicsНаносистемы: физика, химия, математика2220-80542305-7971Университет ИТМО10.17586/2220-8054-2015-6-4-524-536najo-1036Research ArticleСтатьиBoundary effect on multiple scattering of elastic waves in a half-spaceBoundary effect on multiple scattering of elastic waves in a half-spaceVal’kovA. Yu.Val’kovA. Yu.

Department of Physics; Department of Mathematics

St. Petersburg

Department of Physics; Department of Mathematics

St. Petersburg

alexvalk@mail.ruKuzminV. L.KuzminV. L.

Department of Physics; Department of Mathematics

St. Petersburg

Department of Physics; Department of Mathematics

St. Petersburg

kuzmin_vl@mail.ruRomanovV. P.RomanovV. P.

Department of Physics

St. Petersburg

Department of Physics

St. Petersburg

NikitinaM. A.NikitinaM. A.

Department of Physics

St. Petersburg

Department of Physics

St. Petersburg

MeglinskiiV.MeglinskiiV.

Department of Physics; Faculty of Physics

Dunedin

Saratov

Department of Physics; Faculty of Physics

Dunedin

Saratov

St. Petersburg State University; St. Petersburg State University of Commerce and EconomicsRussian FederationSt. Petersburg State UniversityRussian FederationUniversity of Otago; Saratov State UniversityNew Zealand20151608202564524536Copyright © Val’kov A.Y., Kuzmin V.L., Romanov V.P., Nikitina M.A., Meglinskii V., 20252025Val’kov A.Y., Kuzmin V.L., Romanov V.P., Nikitina M.A., Meglinskii V.Val’kov A.Y., Kuzmin V.L., Romanov V.P., Nikitina M.A., Meglinskii V.Данная работа распространяется под лицензией Creative Commons Attribution 4.0.This work is licensed under a Creative Commons Attribution 4.0 License.https://nanojournal.ifmo.ru/jour/article/view/1036

The scattering of elastic waves is studied in the vicinity of a vacuum-medium boundary. The Green’s function for a half-space is re-derived within the mixed 2D-Fourier representation, which is convenient for studying layered media. Monte-Carlo simulations of elastic wave scattering from random inhomogeneities within a simplified scalar model are performed, accounting for a boundary-induced term in the Green’s function. The multiply scattered elastic waves’ radiation is shown to decay with distance from the source much slower in vicinity of boundary than in an infinite medium, due to the boundary condition requirements.

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The authors declare that there are no conflicts of interest present.