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Elastic surface waves in crystals. Part 1: review of the physics
Nathalie Favretto-Cristini1, Dimitri Komatitsch, José M Carcione
1Laboratoire de Mécanique et d'Acoustique (UPR 7051), CNRS, 31 chemin Joseph Aiguier, 13402 Marseille Cedex 20, France. favretto@lma.cnrs-mrs.fr
Abstract:
We present a review of wave propagation at the surface of anisotropic media (crystal symmetries). The physics for media of cubic and hexagonal symmetries has been extensively studied based on analytical and semi-analytical methods. However, some controversies regarding surfaces waves and the use of different notations for the same modes require a review of the research done and a clarification of the terminology. In a companion paper we obtain the full-wave solution for the wave propagation at the surface of media with arbitrary symmetry (including cubic and hexagonal symmetries) using two spectral numerical modeling algorithms.
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