Anomalous Wave Transmission through a Thin Channel Connecting Two Acoustic Waveguides

S. A. Nazarov; L. Chesnel

doi:10.1134/S1028335821010043

Anomalous Wave Transmission through a Thin Channel Connecting Two Acoustic Waveguides

S. A. Nazarov
, L. Chesnel

Saint Petersburg State University
Université Paris-Saclay

Résultats de recherche: Contribution à un journal › Article › Revue par des pairs

1 Citation (Scopus)

Résumé

Abstract: In this paper, we find a criterion for to remove almost complete transmission of the piston mode from one semi-infinite waveguide to another one through a thin connecting channel in 3D. An asymptotic procedure for fine-tuning of the channel parameter, violation of which leads to almost complete or significant wave reflection, is described. In the case when the waveguides are straight cylinders, the criterion takes a particularly simple form.

langue originale	Anglais
Pages (de - à)	45-50
Nombre de pages	6
journal	Doklady Physics
Volume	66
Numéro de publication	2
Les DOIs	https://doi.org/10.1134/S1028335821010043
état	Publié - 1 févr. 2021
Modification externe	Oui

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10.1134/S1028335821010043

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title = "Anomalous Wave Transmission through a Thin Channel Connecting Two Acoustic Waveguides",

abstract = "Abstract: In this paper, we find a criterion for to remove almost complete transmission of the piston mode from one semi-infinite waveguide to another one through a thin connecting channel in 3D. An asymptotic procedure for fine-tuning of the channel parameter, violation of which leads to almost complete or significant wave reflection, is described. In the case when the waveguides are straight cylinders, the criterion takes a particularly simple form.",

keywords = "acoustic waveguide, almost complete wave transmission, asymptotic behavior of the scattering coefficients, thin channel",

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AB - Abstract: In this paper, we find a criterion for to remove almost complete transmission of the piston mode from one semi-infinite waveguide to another one through a thin connecting channel in 3D. An asymptotic procedure for fine-tuning of the channel parameter, violation of which leads to almost complete or significant wave reflection, is described. In the case when the waveguides are straight cylinders, the criterion takes a particularly simple form.

KW - acoustic waveguide

KW - almost complete wave transmission

KW - asymptotic behavior of the scattering coefficients

KW - thin channel

U2 - 10.1134/S1028335821010043

DO - 10.1134/S1028335821010043

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EP - 50

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Anomalous Wave Transmission through a Thin Channel Connecting Two Acoustic Waveguides

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