Summary
The problem of Love waves propagating in slowly varying layered media with a general geometry is solved by using the method of multiple scales. A first-order uniformly valid solution is obtained for the modulation of the amplitude as a function of the scale x1=εx, where ε is a measure of the amplitude of the geometrical variation of the layer. This solution is particularly suited for computational procedures.
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Markenscoff, X., Lekoudis, S.G. Love waves in slowly varying layered media. PAGEOPH 114, 805–810 (1976). https://doi.org/10.1007/BF00875790
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DOI: https://doi.org/10.1007/BF00875790