Obstacles in acoustic waveguides becoming "invisible" at given frequencies

被引：21
作者：
Dhia, A. -S. Bonnet-Ben [1 ]
Nazarov, S. A.
机构：
[1] ENSTA, POEMS, CNRS ENSTA INRIA UMR 7231, Palaiseau, France
来源：
ACOUSTICAL PHYSICS | 2013年 / 59卷 / 06期
关键词：
acoustic waveguide; scattering; invisible scatterer; asymptotic analysis; WALLS;
D O I：
10.1134/S1063771013050047
中图分类号：
O42 [声学];
学科分类号：
070206 ; 082403 ;
摘要：
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.
引用
收藏
页码：633 / 639
页数：7
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