Three-Dimensional Broadband Acoustic Waveguide Cloak
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Abstract
The propagation of acoustic waves is a fundamental topic in shallow ocean acoustics. We numerically demonstrate a three-dimensional zone of silence consisting of a circular tube with gradient index metamaterials attached to its rigid wall. The cloaking effect is verified by fine agreement with analytical calculations.
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Chuan-Jie Hu, Ya-Li Zeng, Yi-Neng Liu, Huan-Yang Chen. Three-Dimensional Broadband Acoustic Waveguide Cloak[J]. Chin. Phys. Lett., 2020, 37(5): 054302. DOI: 10.1088/0256-307X/37/5/054302
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Chuan-Jie Hu, Ya-Li Zeng, Yi-Neng Liu, Huan-Yang Chen. Three-Dimensional Broadband Acoustic Waveguide Cloak[J]. Chin. Phys. Lett., 2020, 37(5): 054302. DOI: 10.1088/0256-307X/37/5/054302
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Chuan-Jie Hu, Ya-Li Zeng, Yi-Neng Liu, Huan-Yang Chen. Three-Dimensional Broadband Acoustic Waveguide Cloak[J]. Chin. Phys. Lett., 2020, 37(5): 054302. DOI: 10.1088/0256-307X/37/5/054302
|
Chuan-Jie Hu, Ya-Li Zeng, Yi-Neng Liu, Huan-Yang Chen. Three-Dimensional Broadband Acoustic Waveguide Cloak[J]. Chin. Phys. Lett., 2020, 37(5): 054302. DOI: 10.1088/0256-307X/37/5/054302
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