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Article Dans Une Revue Journal of Applied Physics Année : 2020

Tunable multifunctional fish-bone elastic metasurface for the wavefront manipulation of the transmitted in-plane waves

Résumé

In this work, a tunable fish-bone elastic metasurface is used to manipulate the in-plane waves which are more complex than flexural or out-of-plane waves because of the coupling of the P-and SV-waves. First, the refracted generalized Snell's law (GSL) for mixed in-plane wave is deduced which is also testified by the numerical results. Then according to the GSL, the elastic metasurfaces are designed to realize multifunctions such as directional refraction and wave focusing for different working frequencies. The critical refraction is discussed for the directional refraction and the behavior of SV-wave is predicted when the P-wave is designed to focus at any point by the metasurface.
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Dates et versions

hal-03047402 , version 1 (08-12-2020)

Identifiants

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Si-Min Yuan, A-Li Chen, Liyun Cao, Hua-Wei Zhang, Shi-Wang Fan, et al.. Tunable multifunctional fish-bone elastic metasurface for the wavefront manipulation of the transmitted in-plane waves. Journal of Applied Physics, 2020, 128 (22), pp.224502. ⟨10.1063/5.0029045⟩. ⟨hal-03047402⟩
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