Design of acoustic metamaterials made of Helmholtz resonators for perfect absorption by using the complex frequency plane
Dans cette revue, nous présentons des résultats sur l'absorption acoustique parfaite sub-
longueur d'onde faisant appel à des métamatériaux acoustiques avec des résonateurs …
longueur d'onde faisant appel à des métamatériaux acoustiques avec des résonateurs …
Perfect resonant absorption of guided water waves by Autler-Townes splitting
The control of guided water wave propagation based on the Autler-Townes splitting
resonance concept is demonstrated experimentally, numerically, and theoretically …
resonance concept is demonstrated experimentally, numerically, and theoretically …
Backscattering reduction in a sharply bent water wave channel
We study theoretically and experimentally how to reduce the backscattering of water waves
in a channel with multiple turns. We show that it is possible not only to cancel backscattering …
in a channel with multiple turns. We show that it is possible not only to cancel backscattering …
On using Helmholtz-type resonance to reduce the size of dual-purpose offshore oscillating water column wave energy converters
Oscillating water column (OWC) devices with Helmholtz resonator features are analyzed
with semi-analytical, numerical, and experimental techniques. Conventionally, an OWC is a …
with semi-analytical, numerical, and experimental techniques. Conventionally, an OWC is a …
Space-time-resolved measurements of the effect of pinned contact line on the dispersion relation of water waves
We report on an experimental investigation of the propagation of gravity-capillary waves in a
narrow channel with a pinned contact line. By using Fourier transform profilometry we …
narrow channel with a pinned contact line. By using Fourier transform profilometry we …
Time domain modelling of a Helmholtz resonator analogue for water waves
In the context of water waves, we consider a resonator with deep subwavelength resonance,
analogue to the Helmholtz resonator in acoustics. In the shallow water regime, using …
analogue to the Helmholtz resonator in acoustics. In the shallow water regime, using …
Numerical investigation of the wave resonance and absorption inside side channels
H Zhang, X Zhao - Physics of Fluids, 2024 - pubs.aip.org
Wave resonance and absorption are typical phenomena in marine or coastal structures. This
paper numerically describes the resonant absorption of water waves in a wave tank with two …
paper numerically describes the resonant absorption of water waves in a wave tank with two …
A venting resonator emitting monochromatic periodic traveling waves in dispersive media
U Jain - Applied Physics Letters, 2024 - pubs.aip.org
Dynamically stable traveling periodic waves are notoriously difficult to realize
experimentally. Manifestations of such waves inherently become unstable in any dispersive …
experimentally. Manifestations of such waves inherently become unstable in any dispersive …
Control of the Swell by an Array of Helmholtz Resonators
We present a theoretical and experimental study of a resonator of the Helmholtz type for the
control of the swell. An experimental demonstration of the shielding effect by a belt made of …
control of the swell. An experimental demonstration of the shielding effect by a belt made of …
Nonlinear waves passing over rectangular obstacles: multimodal method and experimental validation
We report a theoretical and experimental investigation of the propagation of nonlinear
waves passing over a submerged rectangular step. A multimodal method allows calculating …
waves passing over a submerged rectangular step. A multimodal method allows calculating …