Acoustic Transmission Characteristics Based on H-Type Metamaterials

To achieve the artificial manipulation of the acoustic wave front, and to produce high-efficiency acoustic focusing effect, this paper designed an <inline-formula> <tex-math notation="LaTeX">$H$ </tex-math></inline-formula>-type locally resonant metamaterial structu...

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Autores principales:	Shuai Tang, Jianning Han
Formato:	article
Lenguaje:	EN
Publicado:	IEEE 2019
Materias:	Metamaterial local resonance phononic crystals Electrical engineering. Electronics. Nuclear engineering TK1-9971
Acceso en línea:	https://doaj.org/article/1c18d0007fd24267be22658e501ed3d6
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spelling	oai:doaj.org-article:1c18d0007fd24267be22658e501ed3d62021-11-19T00:03:05ZAcoustic Transmission Characteristics Based on H-Type Metamaterials2169-353610.1109/ACCESS.2019.2929194https://doaj.org/article/1c18d0007fd24267be22658e501ed3d62019-01-01T00:00:00Zhttps://ieeexplore.ieee.org/document/8764356/https://doaj.org/toc/2169-3536To achieve the artificial manipulation of the acoustic wave front, and to produce high-efficiency acoustic focusing effect, this paper designed an <inline-formula> <tex-math notation="LaTeX">$H$ </tex-math></inline-formula>-type locally resonant metamaterial structure based on a two-dimensional three-component local resonance unit. The transmission characteristics of acoustic waves in this model were analyzed by using COMSOL, which is a finite element simulation software. We found that the incident acoustic energy was absorbed by the model, and the transmission path was consistent with the model structure. We also found that in different frequencies, the transmission characteristics of acoustic waves were different. The acoustic transmission characteristics improved as the waves approached the resonant frequency. Because of the flexibility and controllability of metamaterials, the structure can be designed according to specific conditions in practical applications to meet the resonant frequency required for transmitting acoustic signals, thus, improving the acoustic transmission efficiency. In addition, if the point excitation source of spherical waves was replaced by the line excitation source of plane waves, a plane acoustic wave focusing phenomenon would occur, which further proved that the local resonance acoustic metamaterial has good focusing characteristics and manipulation characteristics. The result of our research provides a new direction for underwater acoustic imaging, acoustic communication, and acoustic detection.Shuai TangJianning HanIEEEarticleMetamateriallocal resonancephononic crystalsElectrical engineering. Electronics. Nuclear engineeringTK1-9971ENIEEE Access, Vol 7, Pp 96125-96131 (2019)
institution	DOAJ
collection	DOAJ
language	EN
topic	Metamaterial local resonance phononic crystals Electrical engineering. Electronics. Nuclear engineering TK1-9971
spellingShingle	Metamaterial local resonance phononic crystals Electrical engineering. Electronics. Nuclear engineering TK1-9971 Shuai Tang Jianning Han Acoustic Transmission Characteristics Based on H-Type Metamaterials
description	To achieve the artificial manipulation of the acoustic wave front, and to produce high-efficiency acoustic focusing effect, this paper designed an <inline-formula> <tex-math notation="LaTeX">$H$ </tex-math></inline-formula>-type locally resonant metamaterial structure based on a two-dimensional three-component local resonance unit. The transmission characteristics of acoustic waves in this model were analyzed by using COMSOL, which is a finite element simulation software. We found that the incident acoustic energy was absorbed by the model, and the transmission path was consistent with the model structure. We also found that in different frequencies, the transmission characteristics of acoustic waves were different. The acoustic transmission characteristics improved as the waves approached the resonant frequency. Because of the flexibility and controllability of metamaterials, the structure can be designed according to specific conditions in practical applications to meet the resonant frequency required for transmitting acoustic signals, thus, improving the acoustic transmission efficiency. In addition, if the point excitation source of spherical waves was replaced by the line excitation source of plane waves, a plane acoustic wave focusing phenomenon would occur, which further proved that the local resonance acoustic metamaterial has good focusing characteristics and manipulation characteristics. The result of our research provides a new direction for underwater acoustic imaging, acoustic communication, and acoustic detection.
format	article
author	Shuai Tang Jianning Han
author_facet	Shuai Tang Jianning Han
author_sort	Shuai Tang
title	Acoustic Transmission Characteristics Based on H-Type Metamaterials
title_short	Acoustic Transmission Characteristics Based on H-Type Metamaterials
title_full	Acoustic Transmission Characteristics Based on H-Type Metamaterials
title_fullStr	Acoustic Transmission Characteristics Based on H-Type Metamaterials
title_full_unstemmed	Acoustic Transmission Characteristics Based on H-Type Metamaterials
title_sort	acoustic transmission characteristics based on h-type metamaterials
publisher	IEEE
publishDate	2019
url	https://doaj.org/article/1c18d0007fd24267be22658e501ed3d6
work_keys_str_mv	AT shuaitang acoustictransmissioncharacteristicsbasedonhtypemetamaterials AT jianninghan acoustictransmissioncharacteristicsbasedonhtypemetamaterials
_version_	1718420654280146944

Acoustic Transmission Characteristics Based on H-Type Metamaterials

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