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Learn about acoustic metamaterials, materials designed to control, direct, and manipulate sound waves or phonons in different media. Find out their history, properties, applications, and theoretical models.
This review traces the development of acoustic metamaterials from the initial findings of mass density and bulk modulus frequency dispersions in locally resonant structures to the diverse functionalities afforded by the perspective of negative constitutive parameter values, and their implications for acoustic wave behaviors.
19 lut 2021 · Acoustic metamaterials (AMs), which are materials composed of subwavelength periodic artificial structures with specific designs, have drawn significant research attention. This is because of the extraordinary abilities of AMs to manipulate acoustic waves compared with those of traditional acoustic materials. In this review, current advances in ...
16 lut 2016 · Acoustic metamaterials can manipulate and control sound waves in ways that are not possible in conventional materials. Metamaterials with zero, or even negative, refractive index for...
1 lip 2024 · Acoustic metamaterials are artificial materials with sub-wavelength periodic structures that can manipulate sound waves and elastic waves. This review covers the concept, basic structures, application fields, simulation methods, and fabrication techniques of acoustic metamaterials, as well as their opportunities and challenges.
3 wrz 2024 · Acoustic/elastic metamaterials exhibit a wealth of unusual properties conducive to wave manipulation. This review outlines state-of-the-art developments from FPUT chains, granular crystals to nonlinear acoustic metamaterials (NAMs).
17 paź 2018 · Acoustic metasurfaces are 2D materials of subwavelength thickness capable of providing non-trivial local phase shifts (or amplitude modulation) or extraordinary sound absorption. The uniqueness...
