Paper Title:
Propagation of SH Waves through an Interface between a Phononic Crystal and a Uniform Solid
  Abstract

The reflection and refraction of harmonic SH waves at the interface between a homogeneous solid and a one-dimensional phononic crystal is studied. The effects of wave frequencies on the refraction coefficients are investigated. The results show that for lower frequencies, most part of the energy is reflected into the homogeneous solid and that the frequency has little effects on the energy distribution at the interface. While for higher frequencies, SH waves cannot propagate in some directions because of the existence of the directional band gaps, which results in the discontinuity in the refraction coefficient curve. For waves passing through the interface, the higher the frequency is, the smaller the refraction coefficient is.

  Info
Periodical
Materials Science Forum (Volumes 675-677)
Edited by
Yi Tan and Dongying Ju
Pages
1061-1064
DOI
10.4028/www.scientific.net/MSF.675-677.1061
Citation
L. S. Ci, G. L. Yu, "Propagation of SH Waves through an Interface between a Phononic Crystal and a Uniform Solid", Materials Science Forum, Vols. 675-677, pp. 1061-1064, 2011
Online since
February 2011
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$32.00
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