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Translational illusion of acoustic sources by transformation acoustics
KTH, School of Electrical Engineering (EES), Electromagnetic Engineering.ORCID iD: 0000-0002-3401-1125
2017 (English)In: Journal of the Acoustical Society of America, ISSN 0001-4966, E-ISSN 1520-8524, Vol. 142, no 3, p. 1213-1218Article in journal (Refereed) Published
Abstract [en]

An acoustic illusion of creating a translated acoustic source is designed by utilizing transformation acoustics. An acoustic source shifter (ASS) composed of layered acoustic metamaterials is designed to achieve such an illusion. A practical example where the ASS is made with naturally available materials is also given. Numerical simulations verify the performance of the proposed device. The designed ASS may have some applications in, e.g., anti-sonar detection. © 2017 Acoustical Society of America.

Place, publisher, year, edition, pages
Acoustical Society of America , 2017. Vol. 142, no 3, p. 1213-1218
Keywords [en]
Acoustic noise measurement, Acoustic metamaterials, Acoustic sources, Sonar detection, Transformation acoustics, Acoustics
National Category
Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
URN: urn:nbn:se:kth:diva-216186DOI: 10.1121/1.5000483ISI: 000412100700019Scopus ID: 2-s2.0-85028918338OAI: oai:DiVA.org:kth-216186DiVA, id: diva2:1165695
Note

QC 20171213

Available from: 2017-12-13 Created: 2017-12-13 Last updated: 2017-12-13Bibliographically approved

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He, Sailing

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