Abstract
The reflection and surface-to-bulk wave conversion of a Rayleigh wave incident at a single shallow groove on an elastically isotropic substrate have been studied for various rectangularlike and troughlike groove profiles. It is found that the maximum value of the amplitude reflection coefficient is insensitive to the groove profile, and that the groove width producing maximum reflection or zero reflection of the incident surface wave is independent of the profile for all rectangularlike grooves. In all cases, both P and SV bulk waves are excited, with the latter carrying most of the bulk-wave power. While the angular distribution of the bulk-wave power patterns is strongly dependent on the groove width for a given profile, it is surprisingly insensitive to the profile for a given width. The fraction of the total incident power which is converted to bulk waves has been calculated.
| Original language | English |
|---|---|
| Pages (from-to) | 994-1003 |
| Number of pages | 10 |
| Journal | Journal of Applied Physics |
| Volume | 48 |
| Issue number | 3 |
| DOIs | |
| State | Published - 1977 |
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