Analytical Modelling for Predicting the Sound Field of Planar Acoustic metasurface
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DOI: 10.1063/1.5000055
Abstract: An analytical model is built to predict the acoustic fields of acoustic metasurfaces. The acoustic fields are investigated for a Gaussian sound beam incident on the acoustic metasurfaces. The Gaussian sound beam is decomposed into… read more here.
Keywords: analytical model; acoustic metasurface; sound field; model ... See more keywords
Beam steering of the acoustic metasurface under a subwavelength periodic modulation
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DOI: 10.1063/1.5001954
Abstract: In this study, we introduce a subwavelength periodic thin plate array into an acoustic metasurface and investigate the modulation effect on acoustic surface waves. Both anomalous sound refraction and reflection are observed in the metasurface,… read more here.
Keywords: beam steering; modulation; subwavelength periodic; acoustic metasurface ... See more keywords
Nonplanar acoustic metasurface for focusing
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Applied Physics"
DOI: 10.1063/1.5082670
Abstract: Acoustic metasurfaces have attracted considerable attention in recent years because of their unprecedented manipulation of acoustic waves within subwavelength planar structures. However, planar rigid structures are not compatible with human skin, which possesses dynamically varying… read more here.
Keywords: acoustic metasurface; nonplanar metasurface; metasurface; acoustic metasurfaces ... See more keywords
Ultrathin acoustic absorbing metasurface based on deep learning approach
Sign Up to like & getrecommendations! Published in 2021 at "Smart Materials and Structures"
DOI: 10.1088/1361-665x/ac0675
Abstract: Acoustic metasurface has become one of the most promising platforms for manipulating acoustic waves with the advantage of ultra-thin geometry. The conventional design method of acoustic metasurface relies on numerical, trial-and-error methods to retrieve effective… read more here.
Keywords: metasurface; approach; acoustic metasurface; deep learning ... See more keywords
Demonstration of a broadband aqueous acoustic metasurface
Sign Up to like & getrecommendations! Published in 2017 at "Journal of the Acoustical Society of America"
DOI: 10.1121/1.4987597
Abstract: Acoustic metamaterials have been utilized in recent years to demonstrate extreme acoustic properties, such as those with negative or near-zero dynamic values. While effective, the use of acoustic metamaterials can lead to voluminous structures that… read more here.
Keywords: acoustic metasurface; acoustic metamaterials; demonstration broadband; broadband aqueous ... See more keywords
Ultrathin Acoustic Metasurface Holograms with Arbitrary Phase Control
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DOI: 10.3390/app9173585
Abstract: Holograms show great potential in optical or acoustical waves applications due to their capability to reconstruct images. In this paper, we propose a novel scheme to realize acoustic holograms based on an ultrathin metasurface with… read more here.
Keywords: phase control; arbitrary phase; metasurface; acoustic metasurface ... See more keywords
Flexible Manipulation of the Reflected Wavefront Using Acoustic Metasurface with Split Hollow Cuboid
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DOI: 10.3390/ma15031189
Abstract: This work proposes a method for actively constructing acoustic metasurface (AMS) based on the split hollow cuboid (SHC) structure of local resonance, with the designed AMS flexibly manipulating the direction of reflected acoustic waves at… read more here.
Keywords: split; hollow cuboid; frequency; split hollow ... See more keywords