✦ LIBER ✦

Finite element dispersion of cylindrical and spherical acoustic waves

✍ Scribed by Isaac Harari

Publisher: Elsevier Science
Year: 2001
Tongue: English
Weight: 153 KB
Volume: 190
Category: Article
ISSN: 0045-7825
DOI: 10.1016/s0045-7825(00)00251-6

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✦ Synopsis

A reference solution for cylindrical waves is obtained by WKB approximation. Finite element representations of both cylindrical and spherical waves satisfy the resolution-dependent plane wave dispersion relation, and approximate the desired decay rates independent of mesh resolution.

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