Solution of the three-dimensional problem of plane wave diffraction by a two-period plane grating

被引：1

作者：

Manenkov, S. A. ^{[1
]}

机构：

[1] Moscow Tech Univ Commun & Informat, Ul Aviamotornaya 8a, Moscow 111024, Russia

来源：

ACOUSTICAL PHYSICS | 2016年 / 62卷 / 02期

基金：

俄罗斯基础研究基金会;

关键词：

wave diffraction by gratings; discrete source method; analytic continuation of wave fields; CHIRAL HALF-SPACE; DISCRETE SOURCES; SOUND-ABSORPTION; REVOLUTION; LATTICE; SCATTERING; FIELD; BODY;

D O I：

10.1134/S1063771016020111

中图分类号：

O42 [声学];

学科分类号：

070206 ; 082403 ;

摘要：

Using the discrete source method, we develop an algorithm for solving the three-dimensional problem of wave scattering by a plane grating consisting of acoustically soft or acoustically stiff bodies. An efficient algorithm is proposed for determining the periodic Green's function of the grating. Numerical results are obtained for different geometries of the grating elements. The fulfillment of the energy conservation law is verified along with the fulfillment of the boundary condition at the surface of the central grating element.

引用

页码：133 / 142

页数：10

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