Broadband cloak for water waves
WebBroadband Waveguide Cloak for Water Waves Zou, Siyuan Xu, Yadong Zatianina, Razafizana Li, Chunyang Liang, Xu Zhu, Lili Zhang, Yongqiang Liu, Guohua Liu, … WebJun 7, 2024 · Farhat M, Enoch S, Guenneau S, Movchan AB (2008) Broadband cylindrical acoustic cloak for linear surface waves in a fluid. Phys Rev Lett 101:1345011. Article Google Scholar ... Chan CT (2005) Refraction of water waves by periodic cylinder arrays. Phys Rev Lett 95:154501. Article Google Scholar Li J, Pendry JB (2008) Hiding under …
Broadband cloak for water waves
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WebJun 21, 2024 · Here, we present the design of a perfect broadband cloak for flexural waves through the use of a nonlinear transformation in the region of the cloak and by matching term by term the original and transformed equations and also assuming a prestressed material with body forces. WebAug 13, 2024 · Abstract and Figures Inspired by electromagnetic waveguide cloaks with gradient index metamaterials, we fabricated a broadband cloak with simply a gradient …
WebOct 1, 2024 · Notably, the cloaking of surface waves can potentially be scaled up to serve real-world applications such as protecting offshore platforms from damaging ocean waves. The search for an acoustic cloak was still underway, and the first experimental broadband acoustic cloak was soon designed for ultrasound waves in water [ 28 ]. WebFlexible Cable Management Sleeve with Zipper - Extendable Cord Organizer System Wrap Wire Cable Cover Sleeve Holder, Keep Home & Office Clean Safe Protector for …
WebThis transformation keeps the governing equation perfectly intact and, if the cloak is large enough, asymptotically satisfies the necessary boundary conditions. We show that with … WebJan 29, 2016 · In this paper, we extend the metasurface carpet cloak concept from EM wave to two other kinds of waves, i.e., acoustics wave and water wave. We propose a single multi-wave metasurface carpet cloak ...
WebThis acoustic cylindrical cloak is implemented by a 2D array of subwavelength cavities (a) (b) FIG. 1 (color online). Schematic diagram of the experimental setup. A burst of …
WebJun 15, 2024 · The cloaking condition of a body in water waves corresponds to the absence of scattered waves radiating to infinity; that is, the cloaked structure appears invisible to … id wax that maryville ilWebBroadband Waveguide Cloak for Water Waves. Experimental setup for a broadband waveguide cloak for water waves. The parallel-plate waveguide is a water tank with two identical gradient index metamaterials along the sidewalls (white strips) and a wave maker at the far end. Selected for a Synopsis in Physics and an Editors’ Suggestion. issf liveWebJul 16, 2015 · Broadband surface-wave transformation cloak – Molding acoustic, electromagnetic and water waves with a single cloak July 16, 2015 by Brian Wang Two experiments demonstrating that a cylindrical cloak formerly introduced for linear surface liquid waves works equally well for sound and electromagnetic waves. idw becvWebWe introduce a class of cloaks capable of remarkable broadband surface electromagnetic waves guidance around ultrasharp corners and bumps with no perceptible changes in … idw beast wars 2021WebIn this article, we show experimentally that electrostriction allows to implement extensive refraction-based control of water waves in a precise and contactless manner. The setup consists of an electrode under high voltage placed above the grounded conductive water. The waves propagating under the electrode can be slowed down up to ... idw beast warsWebJan 10, 2011 · We present here the first practical realization of a low-loss and broadband acoustic cloak for underwater ultrasound. This metamaterial cloak is constructed with … idw bibliothek downloadidw back issues