Low-frequency expansions for a penetrable ellipsoidal scatterer in an elastic medium

 
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1989 (EN)
Low-frequency expansions for a penetrable ellipsoidal scatterer in an elastic medium (EN)

Kiriaki, K (EN)

N/A (EN)

In this paper the scattering of a plane longitudinal or transverse wave by a penetrable ellipsoid in an isotropic and homogeneous elastic medium in the low-frequency region is examined. Using low-frequency expansions the scattering problem is reduced to a sequence of potential problems. Explicit closed-form solutions for the zeroth and first-order approximations are obtained. The solution of the problem was made possible by using an analytical technique based on Papkovich-Grodski-Neuber potentials. The normalized scattering amplitudes and the scattering cross-section are evaluated up to k3-order terms, respectively. © 1989 Kluwer Academic Publishers. (EN)

journalArticle

Closed Form Solution (EN)
Scattering Amplitude (EN)
First Order (EN)
Cross Section (EN)
Low Frequency (EN)

Εθνικό Μετσόβιο Πολυτεχνείο (EL)
National Technical University of Athens (EN)

Journal of Engineering Mathematics (EN)

1989


Kluwer Academic Publishers (EN)



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