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Guiding of elastic waves in a two-dimensional graded phononic crystal plate

Guo, Yuning and Hettich, Mike and Dekorsy, Thomas (2017) Guiding of elastic waves in a two-dimensional graded phononic crystal plate. New Journal of Physics, 19 (1), 013029. Institute of Physics (IOP) Publishing. DOI: 10.1088/1367-2630/aa5703 ISSN 1367-2630

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Official URL: http://dx.doi.org/10.1088/1367-2630/aa5703

Abstract

The guiding of elastic waves in a two-dimensional graded phononic crystal plate is investigated. This effect is induced by the resonance coupling of attachments and matrix in a silicon pillar-substrate system and the resonance frequencies of guided surface modes can be tuned by tailoring the geometry and material properties of the pillars. The resonance frequencies increase with radius and Young’s modulus, and decrease with height and density of the pillars, which provides several possibilities for the guiding of elastic waves. These devices show the capability of spatially selecting different frequencies into designed channels, thus acting as a phononic multi-channel filter.

Item URL in elib:https://elib.dlr.de/110965/
Document Type:Article
Title:Guiding of elastic waves in a two-dimensional graded phononic crystal plate
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Guo, YuningKonstanz UniversityUNSPECIFIED
Hettich, MikeKonstanz UniversityUNSPECIFIED
Dekorsy, ThomasInstitute of Technical Physics, DLRhttps://orcid.org/0000-0003-2257-2854
Date:24 January 2017
Journal or Publication Title:New Journal of Physics
Refereed publication:Yes
Open Access:Yes
Gold Open Access:Yes
In SCOPUS:Yes
In ISI Web of Science:Yes
Volume:19
DOI :10.1088/1367-2630/aa5703
Page Range:013029
Publisher:Institute of Physics (IOP) Publishing
ISSN:1367-2630
Status:Published
Keywords:phononic crystal, elastic wave, local resonance
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Aeronautics
HGF - Program Themes:fixed-wing aircraft
DLR - Research area:Aeronautics
DLR - Program:L AR - Aircraft Research
DLR - Research theme (Project):L - Laser Research and Technology
Location: Stuttgart
Institutes and Institutions:Institute of Technical Physics
Deposited By: Dekorsy, Prof. Dr. Thomas
Deposited On:31 Jan 2017 16:49
Last Modified:08 Mar 2018 18:47

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