Classical Wave Equations

  • Sverre HolmEmail author


The aim of this chapter is to describe the conventional acoustic models in the framework of linear elasticity. The two main attenuation mechanisms are the viscous and the relaxation ones. It is shown that the viscous model derives from the Kelvin–Voigt spring–damper system, and that the relaxation model is based on the standard linear solid or Zener model. The multiple-relaxation model for seawater and air are also shown to be based on the Maxwell–Wiechert model, which is a generalization of the Zener model. This establishes the foundation for later generalization to fractional versions of the linear viscoelastic models.


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Authors and Affiliations

  1. 1.Department of InformaticsUniversity of OsloOsloNorway

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