Web23 jul. 2024 · However, Willis coupling coefficients designed so far are intrinsically coupled, ... Melnikov A, et al. Acoustic meta-atom with experimentally verified maximum Willis coupling. Nat. Commun. 2024; 10:3148. doi: 10.1038/s41467-019-10915-5. Web17 okt. 2024 · We apply our model to a three-dimensional, subwavelength meta-atom with maximal Willis coupling, demonstrating that the force and the torque can be reversed …
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Webity that is intrinsically coupled with other physics, such as piezoelectric and piezomagnetic materials. provide means of testing the admissibility of experimental data and quantifying the maximal response that potential devices may achieve. For example, Quan et al. [58] have sought acoustic scatterers with maximum Willis coupling Web19 apr. 2024 · Willis coupling in acoustic materials defines the cross-coupling between strain and velocity, analogous to bianisotropic phenomena in electromagnetics. joche definition
Maximum Willis Coupling in Acoustic Scatterers Papers With Code
Web5 mrt. 2024 · Noise control in mechanical and civil engineering requires compact, efficient, and low maintenance solutions. In particular, the control of noise emitted by machinery operating in theaters or operas, such as stage elevator drive trains, is quite demanding, with the emission limits being as close as possible to that of the background noise levels. 1–3 1. Web1 okt. 2016 · Materials that require coupling between the stress–strain and momentum–velocity constitutive relations were first proposed by Willis (Willis 1981 Wave Motion3, 1–11. ( doi:10.1016/0165-2125 (81)90008-1 )) and are now known as elastic materials of the Willis type, or simply Willis materials. Web6 jul. 2024 · For mechanical waves, Willis coupling means a cross-coupling between stress and velocity or between momentum and strain. In contrary to its realization in … integral mind technologies llc