Abstract
This chapter presents a brief review of the normal modes of wave propagation in simple systems such as rods and beams, and uses these to illustrate the fundamental concepts of wave propagation, including complex wave spectra. Thereafter, it generalizes these concepts to the much more complicated case of horizontally layered media. It presents a brief review of the Stiffness Matrix Method (SMM) for layered media and its uses in the solution of wave propagation problems. Finally, it summarizes the fundamental elements of the discrete counterpart to the SMM, the Thin Layer Method (TLM) which constitutes a powerful tool to obtain the normal modes for both propagating and evanescent waves.
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7 References and bibliography
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Kausel, E. (2005). Waves Propagation Modes: From Simple Systems to Layered Soils. In: Lai, C.G., Wilmański, K. (eds) Surface Waves in Geomechanics: Direct and Inverse Modelling for Soils and Rocks. CISM International Centre for Mechanical Sciences, vol 481. Springer, Vienna. https://doi.org/10.1007/3-211-38065-5_4
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DOI: https://doi.org/10.1007/3-211-38065-5_4
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