1. Interface-guided mode of Lamb waves in a two-dimensional phononic crystal plate
- Author
-
Zhang Xin, Yao Yuan-Wei, Li Jing, Wu Fu-Gen, Huang Ping-Ping, and Hu Ai-Zhen
- Subjects
Physics::Fluid Dynamics ,Lamb waves ,Materials science ,Condensed matter physics ,Lattice (order) ,Acoustics ,General Physics and Astronomy ,Heterojunction ,Slipping - 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.
- Published
- 2015
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