Title of article :
Finite element dispersion of cylindrical and spherical acoustic waves Original Research Article
Author/Authors :
Isaac Harari، نويسنده ,
Issue Information :
روزنامه با شماره پیاپی سال 2001
Abstract :
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.
Keywords :
Finite element dispersion , Cylindrical waves , Spherical waves , WKB approximation
Journal title :
Computer Methods in Applied Mechanics and Engineering
Journal title :
Computer Methods in Applied Mechanics and Engineering