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Acoustic surface transformation realized by acoustic-null materials using bilayer natural materials
KTH, School of Electrical Engineering (EES), Electromagnetic Engineering. KTH, School of Information and Communication Technology (ICT), Centres, Zhejiang-KTH Joint Research Center of Photonics, JORCEP.ORCID iD: 0000-0002-3401-1125
2017 (English)In: APPLIED PHYSICS EXPRESS, ISSN 1882-0778, Vol. 10, no 11, article id 114001Article in journal (Refereed) Published
Abstract [en]

We propose a general method, known as acoustic surface transformation (AST), to design novel acoustic devices and study the realization of such devices by using naturally available materials in broadband acoustic frequencies. All devices designed by AST only need one anisotropic homogeneous acoustic-null material (ANM). We design the ANM by exploiting natural material-based metal-fluid structures and verify that by numerical simulation. Unlike traditional methods, no complicated mathematical calculations are needed. We only need to design the geometrical shapes of the input and output surfaces of the devices. The proposed method will pave a new road for future acoustic design.

Place, publisher, year, edition, pages
IOP PUBLISHING LTD , 2017. Vol. 10, no 11, article id 114001
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Physical Sciences
Identifiers
URN: urn:nbn:se:kth:diva-217421DOI: 10.7567/APEX.10.114001ISI: 000413839000001Scopus ID: 2-s2.0-85039152619OAI: oai:DiVA.org:kth-217421DiVA, id: diva2:1158185
Note

QC 20171117

Available from: 2017-11-17 Created: 2017-11-17 Last updated: 2017-11-17Bibliographically approved

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He, Sailing

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