Acoustic waveguide with virtual soft boundary based on metamaterials
The use of acoustic metamaterials with novel phenomena to design acoustic waveguides with special properties has obvious potential application value. Here, we propose a virtual soft boundary (VSB) model with high reflectivity and half cycle phase loss, which consists of an acoustic propagation layer...
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| Veröffentlicht in: | Scientific reports 2020-01, Vol.10 (1), p.981-981, Article 981 |
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| creator | Liu, Guang-Sheng Zhou, Yang Liu, Ming-Hao Yuan, Ying Zou, Xin-Ye Cheng, Jian-Chun |
| description | The use of acoustic metamaterials with novel phenomena to design acoustic waveguides with special properties has obvious potential application value. Here, we propose a virtual soft boundary (VSB) model with high reflectivity and half cycle phase loss, which consists of an acoustic propagation layer and an acoustic metamaterial layer with tube arrays. Then the waveguide designed by the VSB is presented, and the numerical and experimental results show that it can separate acoustic waves at different frequencies without affecting the continuity and the flow of the medium in the space. The VSB waveguide can enrich the functions of acoustic waveguides and provide more application prospects. |
| doi_str_mv | 10.1038/s41598-020-57986-9 |
| format | Article |
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| subjects | 639/301 639/301/1005 639/301/1023 639/766/25/3927 Acoustics Humanities and Social Sciences multidisciplinary Science Science (multidisciplinary) |
| title | Acoustic waveguide with virtual soft boundary based on metamaterials |
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