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Acoustic and mechanical metamaterials for various applications – a brief review

Frontiers in Materials
Due to the sub-wavelength structural characteristics and excellent wave regulation ability, metamaterials have important application value regulating acoustic and elastic waves.
Fuyin Ma
doaj +1 more source

Tunable acoustic labyrinthine acoustic metamaterials for broadband noise absorption

This study introduces the Adjustable Acoustic Labyrinth Metamaterial (AALM) as a novel solution for noise pollution, particularly for managing the unpredictable and shifting frequencies produced by vehicles and mechanical equipment. The AALM is an adaptable metamaterial that integrates labyrinth structures with Helmholtz resonators (HR) to deliver ...
Abbas Dalvand, Reza Hedayati, Aliasghar Jafari +2 more
openaire +1 more source

Multi-Layered Porous Helmholtz Resonators for Low-Frequency and Broadband Sound Absorption. [PDF]

Materials (Basel)
Liu X, Gu T, Li L, Wang D.
europepmc +1 more source

Mesh sensitivity and experimental verification for randomized arbitrary geometry cavity-based acoustic metamaterials designed with 2D FEM simulations. [PDF]

Sci Rep
Książek P, Chojnacki B.
europepmc +1 more source

Numerical Validation of mSOUND Using Fully Heterogeneous Skull Models. [PDF]

IEEE Open J Ultrason Ferroelectr Freq Control
Bell J, Xu LU, Chen H, Jing Y.
europepmc +1 more source

Numerical analysis on the improvement of sound insulation performance of plenum doors: effect of sound absorption and MPPs. [PDF]

UCL Open Environ
Kodama K, Sakagami K.
europepmc +1 more source

A Precise Focusing Simulation Platform for Transcranial Acoustoelectric Brain Imaging. [PDF]