On the Interaction of Resonance And Bragg Scattering Effects for the Locally Resonant Phononic Crystal with Alternating Elastic and Fluid Matrices

On the Interaction of Resonance And Bragg Scattering Effects for the Locally Resonant Phononic Crystal with Alternating Elastic and Fluid Matrices

Three-dimensional (3D) locally resonant phononic crystals (LRPCs) are studied with the aim of optimising the sub-wavelength band gaps of such composites. By analysing their effective acoustic properties, it has been found that the effective acoustic speed of the composite will drop to zero when loca...

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Bibliographic Details
Main Authors: Bo YUAN, Yong CHEN, Min JIANG, Shuai TANG, Miao HE, Minglin TU
Format: Article
Language:English
Published: Institute of Fundamental Technological Research Polish Academy of Sciences 2017-11-01
Series:Archives of Acoustics
Subjects:
locally resonant phononic crystals
effective speed of sound
coupling band gaps
underwater acoustic materials
Online Access:https://acoustics.ippt.pan.pl/index.php/aa/article/view/1828
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