Zobrazeno 1 - 10
of 2 578
pro vyhledávání: '"acoustic metamaterials"'
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-10 (2024)
Abstract Acoustic metamaterials are growing in popularity for sound applications including noise control. Despite this, there remain significant challenges associated with the fabrication of these materials for the sub-100 Hz regime, because acoustic
Externí odkaz:
https://doaj.org/article/e222795366b74ea38b7d871fce453843
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-7 (2024)
Abstract Cryptography is crucial in protecting sensitive information and ensuring secure transactions in a time when data security and privacy are major concerns. Traditional cryptography techniques, which depend on mathematical algorithms and secret
Externí odkaz:
https://doaj.org/article/8e69d8f2200e45539494751f4a0dc562
Autor:
Antonin Coutant, Li‐Yang Zheng, Vassos Achilleos, Olivier Richoux, Georgios Theocharis, Vincent Pagneux
Publikováno v:
Advanced Physics Research, Vol 3, Iss 4, Pp n/a-n/a (2024)
Abstract One of the hallmark of topological insulators is having conductivity properties that are unaffected by the possible presence of defects. In this work, by going beyond backscattering immunity and topological invisibility across defects or dis
Externí odkaz:
https://doaj.org/article/1edb8fe3afb4400cb45de09d0d2499be
Publikováno v:
Applied Sciences, Vol 14, Iss 17, p 7865 (2024)
In many noise scenarios, it is necessary to ensure ventilation and noise suppression. In this paper, a ventilated acoustic metamaterial labyrinth plate (VAMLP), formed by an array of labyrinth cells (LCs), is presented. Each labyrinth cell contains f
Externí odkaz:
https://doaj.org/article/9edfdec112df44aea9b4c98abef733f3
Publikováno v:
Polymers, Vol 16, Iss 17, p 2405 (2024)
The manipulation of acoustic waves is becoming increasingly crucial in research and practical applications. The coordinate transformation methods and acoustic metamaterials represent two significant areas of study that offer innovative strategies for
Externí odkaz:
https://doaj.org/article/cdf8f7a005db4ba2bc532ffc047f356d
Publikováno v:
Applied Sciences, Vol 14, Iss 16, p 7272 (2024)
The presented research delineates an extensive study aimed at obtaining and comparing optimal designs and geometries for one-dimensional periodic acoustic metamaterials to attenuate noise within the audible frequency range of 20 Hz to 20 kHz. Various
Externí odkaz:
https://doaj.org/article/5164fe9eaee24c848769898dedf4213a
Publikováno v:
Materials, Vol 17, Iss 14, p 3591 (2024)
Locally Resonant Acoustic Metamaterials (LRAMs) have significant application potential because they can form subwavelength band gaps. However, most current research does not involve obtaining LRAMs with specified band gaps, even though such LRAMs are
Externí odkaz:
https://doaj.org/article/84d72056d00042d4a032fac710923404
Publikováno v:
Materials & Design, Vol 238, Iss , Pp 112709- (2024)
In traditional noise and vibration control problems, researchers typically concentrate on a single type of sound insulation, sound absorption, or vibration reduction. It is not enough for noise control in complex environments. To address this challen
Externí odkaz:
https://doaj.org/article/52db0ffe74864298be5254006c9e404d
Akademický článek
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Publikováno v:
Crystals, Vol 14, Iss 6, p 521 (2024)
Metamaterials are artificial materials with properties depending mainly on their designed structures instead of their materials. Pentamode metamaterials are one type of metamaterial. They have solid structures with fluid-like properties, which can on
Externí odkaz:
https://doaj.org/article/157120c732d446e187125dc072593a72