2024 Superscattering of water waves

Superscattering of water waves

Author: tljp

August undefined, 2024

WebEnhanced water wave scattering using metamaterials has a wide range of promising applications in marine energy harvesting and coastal protection. Inspired by the superscattering in electromagnetic and acoustic waves, it is possible to design water wave superscatterers based on transformation optics to achieve an increase in the scattering ... WebJan 31, 2024 · A metasurface comprising cavities in a soft medium has been proven to be highly efficient for control of water-borne sound waves. We formulate an analytical model to predict the acoustic performance of a soft elastic medium embedded with disk-shaped cavities and submerged in water.

Superscattering of water waves National Science Review …

WebApr 14, 2024 · Inelastic interaction of highly energetic electromagnetic radiation with free charged particles (at rest), typically electrons, was first observed by Compton ().In this process, momentum is transferred from the photon to the electron resulting in a red shift of the scattered radiation which depends on the angle between the incident photon and the … WebNov 10, 2024 · Inspired by the concept of superscattering in optics, we for the first time theoretically predict and experimentally demonstrate the superscattering phenomenon in … contour lines can cross each other

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WebThe plants under the water- filter contained the largest content of nitrogen (3.3 per cent) of any grown in the soil of highest nitrogen availability. However, the régime of day-time infra-red irradia- tion was not the only environmental factor which was changed. The water-filters were left in position over the plants during the night. WebDec 22, 2024 · Inspired by electromagnetic metamaterials, the research team designed and fabricated a water wave superscattering device based … Web1 day ago · MARTINSBURG, W.Va. (AP) — Police in West Virginia are investigating the discovery of a body at a water treatment plant Thursday. The city of Martinsburg said in a statement on Facebook that the body was found in a waste tank adjacent to the treatment plant by staff when they arrived at work. The waste tank contains materials and impurities ... contourline schriesheim

Water Waves Break Single Channel Scattering Limit

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WebApr 14, 2024 · Fort Lauderdale residents watched as a waves of flood water submerged their cars in a parking garage. Historic rainfall has flooded the city. Up Next. Cars stranded after historic flood in Florida ... WebFeb 28, 2024 · Wave scattering from a cylinder with a tensor impedance surface is investigated on the basis of the Lorentz-Mie theory. A practical example of such a cylinder … contour lines downloadWebFeb 11, 2024 · At the microscopic level, light scattering is the process by which an incident light wave perturbs the electrons in an object, inducing dipole moment oscillations that … contour lines download google earth

"WebNov 26, 2024 · We demonstrate acoustic superscattering from a subwavelength scatterer consisting of multiple deep-subwavelength resonators. We show that superscattering is enabled by strong coupling between these resonators and the discrete rotational symmetry of the scatterer results in angle-dependent superscattering. " - Superscattering of water waves

Superscattering of water waves

Body found in waste tank at water treatment plant

WebApr 13, 2024 · The wave optical model of COMSOL was used to calculate the scattered field. Considering the apparent densification characteristic of the polished fused silica surface, it is reasonable to believe that the surface refractive index is higher than the ideal value. Meanwhile, due to the slight non-uniformity of surface densification after super− ... WebSchematic and working principle of water wave superscattering. (a) The phenomenon of superscattering of water waves caused by superscatterer (green structure underneath) …

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WebDec 22, 2024 · Inspired by electromagnetic metamaterials, the research team designed and fabricated a water wave superscattering device based on degeneracy resonance by using … WebNov 25, 2014 · Scattering Insulators Molecular structure Quantum mechanics Abstract We study the scattering properties of coated nanoparticles with high-permittivity core and nonlocal plasmonic shell with full-wave nonlocal Mie theory. Both electric and artificial magnetic resonances of different orders are supported simultaneously for such coated …

Web1 day ago · Fort Lauderdale residents watched as a waves of flood water submerged their cars in a parking garage. Historic rainfall has flooded the city. Dramatic moment as water rushes into parking garage ... WebJun 4, 2024 · However, superscattering effects, such as stopping wave propagation in an air channel, have not been verified from illusion devices physically because of the challenge of metamaterial design, fabrication, and material loss. In this Letter, we implement a big metamaterial superscatterer, and experimentally demonstrate its superscattering effect ...

WebThe National Science Review recently published a study by Huaping Wang's group at Zhejiang University. Inspired by electromagnetic metamaterials, the research team designed and fabricated a water wave superscattering device based on degeneracy resonance by using the similarity o ...read more WebActus Mer/Sea News: Cellular mechanisms underlying extraordinary sulfide tolerance in a crustacean holobiont from hydrothermal vents - @RSocPublishing: The shallow-water …

WebSuperscattering of water waves Published in: National Science Review, November 2024 DOI: 10.1093/nsr/nwac255: Authors: Zijian Qin, Chao Qian, Lian Shen, Xiaoping Wang, Ido Kaminer, Hongsheng Chen, Huaping Wang View on publisher site Alert me about new mentions. Twitter Demographics.

WebEnhancing water wave scattering can endow subwavelength entities with the ability to capture more energy from large areas, and water wave superscattering provide a new paradigm for achieving this goal and deepening the understanding of water wave propagation mechanism. contour lines backgroundWebInspired by electromagnetic metamaterials, the research team designed and fabricated a water wave superscattering device based on degeneracy resonance by using the similarity of water wave equation and electromagnetic wave equation under shallow water conditions, which was realized it experimentally. contour lines evenly spaced and wide apartWeb2.4.4 X-ray diffraction. Diffraction is the scattering of waves from a regular array with distances between layers in the structure similar to the lengths of the incident waveform. … contour lines for google earth proWebNov 10, 2024 · Inspired by the concept of superscattering in optics, we for the first time theoretically predict and experimentally demonstrate the superscattering phenomenon in water waves. The subwavelength superscatterer is constructed by multi-layered … contour lines drawing styleWebFeb 11, 2024 · Superscattering, induced by degenerate resonances, breaks the fundamental single-channel limit of the scattering cross section of subwavelength structures; in … contour lines for a hillWebJan 4, 2024 · Under the excitation of the light source, the presence of the negative refractive index material (red region in Fig. 4(c)) excites surface waves at the air-material interface, which in turn exhibit the phenomenon of superscattering, with a scattering cross section equivalent to the mirror image of the additional filled negative refractive index ... contour lines from autocad to sketchupWebNov 10, 2014 · We consider linear, inviscid and irrotational water waves in infinite extent of water as shown in Fig. 1. Set the x - y plane horizontal, the z -axis positive upward and the bottom of water... contour lines google earth pro