Surface Waves in Anisotropic Elastic Media
โ Scribed by BUCHWALD, V. T.; DAVIS, A.
- Book ID
- 109617351
- Publisher
- Nature Publishing Group
- Year
- 1961
- Tongue
- English
- Weight
- 193 KB
- Volume
- 191
- Category
- Article
- ISSN
- 0028-0836
- DOI
- 10.1038/191899a0
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๐ SIMILAR VOLUMES
The conditions for the sign of the deviation of ray from wave normal (sgn A) specified on p. 209 of [1 ] and the criteria for cusps to occur on the elastic wave surface given in [2] are valid provided that all principal extensional stiffnesses exceed principal shear stiffnesses, i.e., cjj(j = 1, 2,
Two additional criteria for the existence of cusp points on elastic wave surfaces are developed. A previously published method [1] is extended to give a simple necessary and sufficient condition for cusps about (1, 1, 0) axes in cubic and tetragonal media. This criterion is plausibly adapted to pro