Influences of imperfectness and inner constraints on an acoustic cloak with unideal pentamode materials
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DOI: 10.1016/j.jsv.2019.06.005
Abstract: Abstract Pentamode materials are elastic solids with vanishing shear modulus, and can be used to cloak underwater sound with solid state and broadband advantages. However, pentamode materials produced with microstructures have inevitable small shear modulus.… read more here.
Keywords: constraints acoustic; pentamode materials; cloak; acoustic cloak ... See more keywords
Broadband underwater acoustic carpet cloak based on pentamode materials under normal incidence
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DOI: 10.1063/1.5042451
Abstract: Acoustic carpet cloak in air has become an attractive topic in the past few years and has been realized in many feasible ways. However, underwater acoustic carpet cloak still suffers from lacking operator flexibility. Inspired… read more here.
Keywords: carpet cloak; pentamode materials; acoustic carpet; carpet ... See more keywords
Optimizing sound transmission through 3D pentamode materials in water
Sign Up to like & getrecommendations! Published in 2017 at "Journal of the Acoustical Society of America"
DOI: 10.1121/1.5014419
Abstract: Pentamode materials (PMs) are engineered isotropic or anisotropic elastic structures that mimic the acoustic behavior of ideal fluids. Recently, many applications such as negative refraction lens, focal lens, and a cloak have been designed and… read more here.
Keywords: transmission; water; pentamode materials; optimizing sound ... See more keywords