Applicability of Thompson boundary conditions to obliquely incident acoustic waves

被引：2
|
作者：
O'Sullivan, PL [1 ]
Reichert, RS [1 ]
Biringen, S [1 ]
Howard, JE [1 ]
Watson, W [1 ]
机构：
[1] Univ Colorado, Dept Aerosp Engn Sci, Boulder, CO 80309 USA
来源：
APPLIED ACOUSTICS | 2001年 / 62卷 / 08期
基金：
美国国家航空航天局;
关键词：
Thompson boundary conditions; duct flows; oblique acoustic waves;
D O I：
10.1016/S0003-682X(00)00086-4
中图分类号：
O42 [声学];
学科分类号：
070206 ; 082403 ;
摘要：
A numerical study employing the Euler equations in a two-dimensional duct flows is presented. Thompson boundary conditions imposed at the inflow/outflow boundaries indicated bounded growth of absolute error with increasing angle of incidence of oblique acoustic disturbances, supporting the suitability of these boundary conditions for acoustic propagation and noise control problems. (C) 2001 Elsevier Science Ltd. All rights reserved.
引用
收藏
页码：1013 / 1018
页数：6
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