Broadband acoustic diode by using two structured impedance-matched acoustic metasurfaces

An acoustic diode (AD) is proposed and designed based on a mechanism different from the previous designs by using two structured impedance-matched acoustic metasurfaces. This AD can realize unidirectional acoustic transmission within a broad band with high transmission efficiency due to the impedanc...

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Veröffentlicht in:	Applied physics letters 2016-07, Vol.109 (4)
Hauptverfasser:	Wang, Xiao-Peng, Wan, Le-Le, Chen, Tian-Ning, Liang, Qing-Xuan, Song, Ai-Ling
Format:	Artikel
Sprache:	eng
Schlagworte:	Acoustic impedance Acoustic insulation Acoustic noise Acoustics Applied physics Broadband Computational fluid dynamics Computer simulation Computing time Design Finite element method Impedance matching Metasurfaces Noise control Sound transmission Stress concentration Transmission efficiency
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