Obstacles in acoustic waveguides becoming "invisible" at given frequencies - Inria - Institut national de recherche en sciences et technologies du numérique
Journal Articles Acoustical Physics / Akusticheskii zhurnal Year : 2013

Obstacles in acoustic waveguides becoming "invisible" at given frequencies

Abstract

We prove the existence of gently sloping perturbations of walls of an acoustic two-dimensional waveguide, for which several waves at given frequencies pass by the created obstacle without any distortion or with only a phase shift.

Domains

Analysis of PDEs [math.AP] Modeling and Simulation Numerical Analysis [math.NA] Mathematical Physics [math-ph] Optimization and Control [math.OC] Spectral Theory [math.SP]

Valentin Vinoles  : Connect in order to contact the contributor

https://inria.hal.science/hal-00937689

Submitted on : Tuesday, January 28, 2014-5:06:38 PM

Last modification on : Tuesday, August 6, 2024-10:56:09 AM

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hal-00937689 , version 1 (28-01-2014)

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Anne-Sophie Bonnet-Ben Dhia, Sergei Nazarov. Obstacles in acoustic waveguides becoming "invisible" at given frequencies. Acoustical Physics / Akusticheskii zhurnal, 2013, 59(6), pp.633--639. ⟨10.1134/S1063771013050047⟩. ⟨hal-00937689⟩

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