期刊
APPLIED MATHEMATICS AND MECHANICS-ENGLISH EDITION
卷 41, 期 2, 页码 279-288出版社
SHANGHAI UNIV
DOI: 10.1007/s10483-020-2568-7
关键词
acoustic black hole (ABH); phononic crystal (PC); transfer matrix method (TMM); O322
资金
- National Natural Science Foundation of China [51575378, 11972245, 11672187]
Phononic crystals (PCs) have recently been developed as effective components for vibration suppression and sound absorption. As a typical design of PCs, wave attenuation occurs in the so-called stop-band. However, the structural response is still significantly large in the pass-band. In this paper, we combine PCs and acoustic black holes (ABHs) in a unique device, achieving a versatile device that can attenuate vibration in the stop-band, while suppress vibration in the pass-band. This approach provides a versatile platform for controlling vibration in a multiband with a simple design.
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