Results 41 to 50 of about 3,581 (229)
Vibration reduction assessment of layered acoustic metamaterial [PDF]
, 2022 Acoustic meta-materials offer an approach to reducing the vibration and noise transmission through layered panels. In this paper, the investigation of constructed meta-material for reduction of low-frequency vibration and noise is a major concern.
Świrk, Patrycja +3 more
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Acoustic metamaterials with coupled local resonators for broadband vibration suppression
AIP Advances, 2017 This paper investigates a modified acoustic metamaterial system with local resonators coupled through linear springs. The proposed acoustic metamaterial system can provide three band gaps for broadband vibration suppression.
Guobiao Hu +4 more
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Synthetic Pseudo-Spin-Hall effect in acoustic metamaterials
Nature Communications, 2022 Controlling emission and propagation of acoustic waves offers new design opportunities for acoustic devices. Here the authors demonstrate such controls thanks to the emergence of a synthetic pseudo-spin in two-dimensional acoustic metamaterial.
Matthew Weiner +3 more
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Mitigating Inaudible Ultrasound Attacks on Voice Assistants With Acoustic Metamaterials
IEEE Access, 2023 Voice assistants play an important role in facilitating human–machine interactions and have been widely used in audio consumer electronic products.
Joshua S. Lloyd +3 more
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Transmission Loss of Membrane-Type Acoustic Metamaterial with Negative Effective Mass [PDF]
, 2017 The transmission loss (TL) of membrane-type acoustic metamaterials consisting of small mass and rubber membrane was studied. By establishing a mass-spring equivalent model of metamaterial structural unit, which regards rubber membrane as having the dual ...
Song Qiao Chen +3 more
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A single and double slotting radial acoustic metamaterial plate [PDF]
, 2017 This paper presents the low-frequency acoustic properties of a new single and double slotting radial acoustic metamaterial plate which is arranged in the axial coordinate.
Hong Hou, Nansha Gao, Hang Xin
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Advances in Condensed Matter Physics, 2018 There has been an explosion of interest in acoustic metamaterial in the last ten years. The tunable negative acoustic metamaterial is an important issue for designing metamaterials.
Xiao-Le Yan +3 more
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Numerical Study of a near-Zero-Index Acoustic Metamaterial [PDF]
, 2012 This Letter studies a two-dimensional, membrane-based acoustic metamaterial with a near-zero refractive index. It yields a frequency-dependent effective density that is near-zero at a narrow frequency band centered around its first resonant frequency ...
Fang, Nicholas X. +6 more
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Doping of a plate-type acoustic metamaterial [PDF]
, 2020 International audienceWe theoretically, numerically, and experimentally investigate the feasibility of acoustic doping, i.e., changing one of the effective properties of a medium by adding an impurity, to achieve supersqueezing.
Malléjac, Matthieu +8 more
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Subwavelength slit acoustic metamaterial barrier [PDF]
, 2015 [EN] Reduction of noise in the transmission path is a very important environmental problem. The standard method to reduce this noise level is the use of acoustic barriers.
Uris Martínez, Antonio +4 more
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