ELECTROMAGNETISM, OPTICS, ACOUSTICS, HEAT TRANSFER, CLASSICAL MECHANICS, AND FLUID DYNAMICS |
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Interface-guided mode of Lamb waves in a two-dimensional phononic crystal plate |
Huang Ping-Ping (黄平平)a, Yao Yuan-Wei (姚源卫)a, Wu Fu-Gen (吴福根)b, Zhang Xin (张欣)a, Li Jing (李静)a, Hu Ai-Zhen (胡爱珍)a |
a Department of Physics and Optoelectronic Engineering, Guangdong University of Technology, Guangzhou 510006, China; b Department of Experiment Education, Guangdong University of Technology, Guangzhou 510006, China |
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Abstract We investigate the interface-guided mode of Lamb waves in a phononic crystal heterostructures plate, which is composed of two different semi-infinite phononic crystal (PC) plates. The interface-guided modes of the Lamb wave can be obtained by the lateral lattice slipping or by the interface longitudinal gliding. Significantly, it is observed that the condition to generate the interface-guided modes of the Lamb wave is more demanding than that of the studied fluid–fluid system. The interface-guided modes are strongly affected not only by the relative movement of the two semi-infinite PCs but also by the thickness of the PC plate.
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Received: 20 May 2014
Revised: 14 September 2014
Accepted manuscript online:
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PACS:
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43.20.+g
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(General linear acoustics)
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43.35.+d
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(Ultrasonics, quantum acoustics, and physical effects of sound)
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62.60.+v
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(Acoustical properties of liquids)
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Fund: Project supported by the National Natural Science Foundation of China (Grant Nos. 11374068 and 11374066), the Science & Technology Star of Zhujiang Foundation of Guangzhou, China (Grant No. 2011J2200013), and the Natural Science Foundation of Guangdong, China (Grant No. S2012020010885). |
Corresponding Authors:
Yao Yuan-Wei
E-mail: yaoyw@scut.edu.cn
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About author: 43.20.+g; 43.35.+d; 62.60.+v |
Cite this article:
Huang Ping-Ping (黄平平), Yao Yuan-Wei (姚源卫), Wu Fu-Gen (吴福根), Zhang Xin (张欣), Li Jing (李静), Hu Ai-Zhen (胡爱珍) Interface-guided mode of Lamb waves in a two-dimensional phononic crystal plate 2015 Chin. Phys. B 24 054301
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