Modeling of axisymmetric wave modes in a poroelastic cylinder using spectral method
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Copyright 2008 Acoustical Society of America. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the Acoustical Society of America.
The following article appeared in Karpfinger, Florian and Gurevich, Boris and Bakulin, Andrey. 2008. Modeling of axisymmetric wave modes in a poroelastic cylinder using spectral method. Journal of Acoustical Society of America 124 (4): pp. EL230-EL235 and may be found at : http://dx.doi.org/10.1121/1.2968303
Algorithm and code are presented which solve the dispersionequation for cylindrical poroelastic structures. The algorithm is based on thespectral method, which discretizes the underlying wave equations with thehelp of spectral differentiation matrices and solves the corresponding equationsas a generalized eigenvalue problem. The results are illustrated for thecase of a fluid-saturated free cylinder with open- and closed-pore boundaryconditions on its surface. The computed dispersion curves are in good agreementwith analytical results, which confirms the accuracy of the method.