Abstract
The variable substitution and power-series techniques are used for the asymptotic analytical derivation of the governing equation of a transverse surface wave. The results reveal that the transverse wave can propagate along the surface of a functionally graded infinite half space in various modes, and that their dispersion relations are normal. For certain cases, energy is concentrated on the surface region to a depth of several wavelengths. A new theoretical foundation based on the transverse surface wave can be provided for graded-material characterization by experimental measurement. Some phenomena of seismic wave propagation may also be explained.
| Original language | English |
|---|---|
| Pages (from-to) | 245-253 |
| Number of pages | 9 |
| Journal | Philosophical Magazine Letters |
| Volume | 92 |
| Issue number | 5 |
| DOIs | |
| State | Published - 1 May 2012 |
Keywords
- dispersion
- functionally graded material
- power-series technique
- transverse shear surface wave
- variable substitution
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