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.
| Original language | English |
|---|---|
| Pages (from-to) | 633-639 |
| Number of pages | 7 |
| Journal | Acoustical Physics |
| Volume | 59 |
| Issue number | 6 |
| DOIs | |
| Publication status | Published - 1 Nov 2013 |
Keywords
- acoustic waveguide
- asymptotic analysis
- invisible scatterer
- scattering