Comments on acoustic wave propagation in stratified media

In a layered system, the interface between two media presents an intrinsic inhomogeneity even when the materials are isotropic and homogeneous in the sense of continuum medium description of wave propagation. In terms of the rigid bonding (RB) model, the material parameters behave as piecewise conti...

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Autor principal:	Cojocaru, Sergiu
Formato:	article
Lenguaje:	EN
Publicado:	D.Ghitu Institute of Electronic Engineering and Nanotechnologies 2018
Materias:	Physics QC1-999 Electronics TK7800-8360
Acceso en línea:	https://doaj.org/article/86d57239ba3b4a498ae87c728129787b
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spelling	oai:doaj.org-article:86d57239ba3b4a498ae87c728129787b2021-11-21T11:56:33ZComments on acoustic wave propagation in stratified media534.2222537-63651810-648Xhttps://doaj.org/article/86d57239ba3b4a498ae87c728129787b2018-07-01T00:00:00Zhttps://mjps.nanotech.md/archive/2018/article/71444https://doaj.org/toc/1810-648Xhttps://doaj.org/toc/2537-6365In a layered system, the interface between two media presents an intrinsic inhomogeneity even when the materials are isotropic and homogeneous in the sense of continuum medium description of wave propagation. In terms of the rigid bonding (RB) model, the material parameters behave as piecewise continuous functions with an abrupt change across the interface. Therefore, it is reasonable to expect that the wave experiences a singular potential at the border formed by the space derivatives of the material parameters. However, we prove that this potential is strictly cancelled due to continuity of the stress field. The equations governing acoustic wave propagation are derived by the partial wave decomposition method.Cojocaru, SergiuD.Ghitu Institute of Electronic Engineering and NanotechnologiesarticlePhysicsQC1-999ElectronicsTK7800-8360ENMoldavian Journal of the Physical Sciences, Vol 17, Iss 1-2, Pp 75-79 (2018)
institution	DOAJ
collection	DOAJ
language	EN
topic	Physics QC1-999 Electronics TK7800-8360
spellingShingle	Physics QC1-999 Electronics TK7800-8360 Cojocaru, Sergiu Comments on acoustic wave propagation in stratified media
description	In a layered system, the interface between two media presents an intrinsic inhomogeneity even when the materials are isotropic and homogeneous in the sense of continuum medium description of wave propagation. In terms of the rigid bonding (RB) model, the material parameters behave as piecewise continuous functions with an abrupt change across the interface. Therefore, it is reasonable to expect that the wave experiences a singular potential at the border formed by the space derivatives of the material parameters. However, we prove that this potential is strictly cancelled due to continuity of the stress field. The equations governing acoustic wave propagation are derived by the partial wave decomposition method.
format	article
author	Cojocaru, Sergiu
author_facet	Cojocaru, Sergiu
author_sort	Cojocaru, Sergiu
title	Comments on acoustic wave propagation in stratified media
title_short	Comments on acoustic wave propagation in stratified media
title_full	Comments on acoustic wave propagation in stratified media
title_fullStr	Comments on acoustic wave propagation in stratified media
title_full_unstemmed	Comments on acoustic wave propagation in stratified media
title_sort	comments on acoustic wave propagation in stratified media
publisher	D.Ghitu Institute of Electronic Engineering and Nanotechnologies
publishDate	2018
url	https://doaj.org/article/86d57239ba3b4a498ae87c728129787b
work_keys_str_mv	AT cojocarusergiu commentsonacousticwavepropagationinstratifiedmedia
_version_	1718419375982116864

Comments on acoustic wave propagation in stratified media

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