Broadband waveguide cloak for water waves
WebBroadband 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. WebBroadband 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 …
Broadband waveguide cloak for water waves
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WebSep 10, 2024 · The presented results demonstrate effectiveness over a broad frequency range of more than 3.5 octaves, with upper frequency limits of 8.7 kHz (cloaking) and 5.9 kHz (holography), consistent with classical sampling theory (see Supplementary Materials for details). However, modifying the experimental setup can relax these limits. WebAug 13, 2024 · The concept of a broadband cloak for water waves: (a) The schematic plot of the top view of the cloak device and three-dimensional sketch of GIMs. (b) The side …
WebCloaking is a challenging topic in the field of wave motion, and is of significant theoretical value. In this article, a type of carpet cloak has been theoretically designed for water waves... WebNov 25, 2015 · It is challenging to realise the perfect manipulation of water waves within a broad range of frequencies. By extending conformal transformation principles to water waves, their propagation...
WebAug 14, 2024 · A new cloaking scheme could protect boats in harbours or ports from ocean waves. (Courtesy: S Curtis) A wave-damping scheme that draws on the principles behind the much vaunted “invisibility shields” … WebAug 15, 2024 · To cloak a miniature boat from the swells inside a wave tank, one team built a structure that can steer waves away from the tank’s center. Along each side of the …
WebOct 25, 2024 · A design for a cloak to control bending waves propagating in isotropic heterogeneous thin plates is proposed, achieved through homogenization of a multilayered concentric coating filled with piecewise constant isotropIC elastic material. 374 PDF Broadband cloaking of flexural waves. A. Zareei, Mohammad-Reza Alam Physics …
WebNov 10, 2024 · Experimental topology-optimized cloak for water waves October 2024 · Materials Today Physics Yifei Hua Chao Qian Hongsheng Chen Huaping Wang Rendering an object invisible has fascinated... bantuan negeri perakWebApr 10, 2024 · The analysis of propagating an initially harmonic acoustic pulse in a semi-infinite hyperelastic rod obeying the Yeoh strain energy potential reveals attenuation with distance of the wave amplitudes caused by the elastic energy dissipation due to forming and propagation of the shock wave fronts and heat production. The observed attenuation of … bantuan modal zakat selangorWebApr 24, 2024 · We consider the propagation of water waves in a waveguide with a surface-piercing circular cylinder. A plane wave interacting with the cylinder leads to a Fano resonance resulting in strong scattering with a large reflection coefficient. proto 2 jaw puller setWebOct 1, 2024 · Here we numerically design and experimentally demonstrate a topology-optimized cloak for water waves. By inversely designing the water depth distribution, the topology-optimized cloak can... protoalkaloidyWebInspired by electromagnetic waveguide cloaks with gradient index metamaterials, we fabricated a broadband cloak with simply a gradient depth profile on the bottom and … proton aa 2120WebJun 19, 2024 · It is shown that evanescent waves excited by a cutoff waveguide can be efficiently transmitted over a long distance by a mode-conversion mechanism. The experimental results are in good... proto keskus tallinnWebIn this work, we demonstrate an one-dimensional cloak consisting of parallel-plated waveguide with two slabs of gradient index metamaterials attached to its metallic walls. In it objects are... bantuan negeri kedah