Diffraction of a plane wave incident at a small angle to the axis of a strongly elongated spheroid

被引：16

作者：

Andronov, I. V. ^{[1
]}

机构：

[1] St Petersburg State Univ, Sci Res Phys Inst, St Petersburg 198504, Russia

来源：

ACOUSTICAL PHYSICS | 2012年 / 58卷 / 05期

关键词：

asymptotic methods; high-frequency diffraction; strongly elongated body; parabolic equation; BODY;

D O I：

10.1134/S1063771012030025

中图分类号：

O42 [声学];

学科分类号：

070206 ; 082403 ;

摘要：

The high-frequency acoustic field in the half-shadow region on the surface of a strongly elongated body of rotation is studied. The asymptotic formulas obtained earlier for axial incidence of a plane wave are generalized to the case of incidence of a wave at a small angle to the body axis. The results of calculations are presented. Analysis has been performed on how the angle of incidence and the parameter describing the degree of elongation of the body affect the character of the field distribution over the surface.

引用

页码：521 / 529

页数：9

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