Bulletin of the American Physical Society
APS March Meeting 2020
Volume 65, Number 1
Monday–Friday, March 2–6, 2020; Denver, Colorado
Session B62: Nanostructures and Metamaterials II
11:15 AM–2:03 PM,
Monday, March 2, 2020
Room: Mile High Ballroom 4C
Sponsoring
Unit:
DMP
Chair: Hou-Tong Chen, Los Alamos Natl Lab
Abstract: B62.00004 : Measurement of asymmetrical water waves wake due to an anisotropic bathymetry
Presenter:
Philippe Petitjeans
(ESPCI Paris)
Authors:
Leo-Paul EUVE
(ESPCI Paris)
Philippe Petitjeans
(ESPCI Paris)
Agnes Maurel
(ESPCI Paris)
Vincent Pagneux
(LAUM, Univ. du Maine, France)
We show, experimentaly, that ship wakes can become highly asymmetrical when they propagate on an anisotropic metamaterial. In our study, the metamaterial is obtained with a periodic stratified bathymetry which varies at a subwavelength order. More precisely, vertical plates are placed in parallel on the bottom of a water tank, as in [2,3]. The experimental results can be numerically reproduced using a theory based on an anisotropic dispersion relation [3].
[1] C. Luo, M. Ibanescu, S. G. Johnson, and J. D. Joannopoulos, Science 299, 5605, (2003)
[2] C. P. Berraquero, A. Maurel, P. Petitjeans, and V. Pagneux, Physical Review E 88, 051002 (2013)
[3] A. Maurel, J.-J. Marigo, P. Cobelli, P. Petitjeans, and V. Pagneux, Physical Review B 96 (2017)
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