Guided wave modes in porous cylinders: Theory

C.J. Wisse, D.M.J. Smeulders, G.E Chao, M.E.H. Dongen, van

Onderzoeksoutput: Bijdrage aan tijdschriftTijdschriftartikelAcademicpeer review

9 Citaten (Scopus)


The classical theory of wave propagation in elastic cylinders is extended to poro-elastic mandrel modes. The classical theory predicts the existence of undamped L modes and damped C, I, and Z modes. These waves also appear in poro-elastic mandrels, but all of them become damped because of viscous effects. The presence of the Biot slow bulk wave in the poro-elastic material is responsible for the generation of additional mandrel modes. One of them was already discussed by Feng and Johnson, and the others can be grouped together as so-called D modes. The damping of these D modes is at least as high as the damping of the free-field slow wave. [on SciFinder (R)]
Originele taal-2Engels
Pagina's (van-tot)2049-2056
TijdschriftJournal of the Acoustical Society of America
Nummer van het tijdschrift4
StatusGepubliceerd - 2007

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