Focusing and dispersion of a plane wave by transversally isotropic elastic lenses

被引：0
作者：
V. I. Gulyaev
G. M. Ivanchenko
机构：
[1] National Transport University,
[2] Kiev National University of Construction and Architecture,undefined
来源：
Acoustical Physics | 2004年 / 50卷
关键词：
Longitudinal Wave; Plane Wave; Acoustics; Wave Front; Elastic Medium;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Transformation of a plane longitudinal wave front at the surfaces of a transversely isotropic elastic lens is considered. Nonlinear Snell equations are solved using an approach that combines Newton’s method and the algorithm of solution continuation with respect to a parameter. The cases of focusing and divergence of rays passing through a convex lens are investigated. Numerical examples are given for different relationships between the parameters of the elastic medium.
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页码：140 / 145
页数：5
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