Please use this identifier to cite or link to this item:
http://hdl.handle.net/10397/75029
Title: | SH wave propagation in joined half-spaces composed of elastic metamaterials | Authors: | Shi, X Shu, H Zhou, H Zhao, L Liu, R An, S Zhu, J |
Issue Date: | 2017 | Source: | Journal of applied physics, 2017, v. 122, no. 21, 215104, p. 215104-1-215104-13 | Abstract: | Based on the effective-medium theory, the propagation of a shear horizontal (SH) wave in joined half-spaces composed of elastic metamaterials (EMMs) is investigated. From the dispersion relations, the effects of negative effective-medium parameters on the properties of a SH wave traveling near the interface are analyzed in detail. It is found that a SH wave can always appear and travel along the interface under specific effective-parameter combinations no matter whether the effective transverse wave velocity is imaginary or real. This is significantly different from the classical case (joined half-spaces composed of natural media), and the existence of these SH interfacial wave modes may have important impacts on EMM-based SH wave manipulation, especially wave isolation and object protection. | Publisher: | American Institute of Physics | Journal: | Journal of applied physics | ISSN: | 0021-8979 | EISSN: | 1089-7550 | DOI: | 10.1063/1.4994611 | Rights: | © 2017 Author(s). This article may be downloaded for personal use only. Any other use requires prior permission of the author and AIP Publishing. This article appeared in X. Shi et al., J. Appl. Phys. 122, 215104 (2017) and may be found at https://dx.doi.org/10.1063/1.4994611 |
Appears in Collections: | Journal/Magazine Article |
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Shi_SH_Wave_Propagation.pdf | 3.6 MB | Adobe PDF | View/Open |
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