Artificial boundary conditions for two-dimensional equations of fluid dynamics. 1. Convective wave equation

被引：0
|
作者：
Dorodnitsyn L.V.
机构：
来源：
Computational Mathematics and Modeling | 2007年 / 18卷 / 3期
基金：
俄罗斯基础研究基金会;
关键词：
Wave Equation; Mach Number; Plane Wave; Incidence Angle; Absorb Boundary Condition;
D O I：
10.1007/s10598-007-0026-8
中图分类号：
学科分类号：
摘要：
The article models external flow problems on artificially bounded regions. In the linear approximation we examine the reflection of acoustic waves in a moving medium, incident at various angles on a fixed boundary. We consider the construction of various boundary conditions and estimate their reflecting properties for plane waves and waves from point sources. The plane wave approximation is justified theoretically. A method is proposed for estimating the integral reflection coefficient for waves with a whole range of incidence angles. © 2007 Springer Science+Business Media, Inc.
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页码：282 / 309
页数：27
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