NONREFLECTING BOUNDARY-CONDITIONS FOR EULER EQUATION CALCULATIONS

被引:476
作者
GILES, MB
机构
[1] Massachusetts Institute of Technology, Department of Aeronautics and Astronautics, Cambridge, MA
关键词
D O I
10.2514/3.10521
中图分类号
V [航空、航天];
学科分类号
08 ; 0825 ;
摘要
This paper presents a unified theory for the construction of steady-state and unsteady nonreflecting boundary conditions for the Euler equations. These allow calculations to be performed on truncated domains without the generation of spurious nonphysical reflections at the far-field boundaries. The general theory, developed perviously by mathematicians, is presented in a more easily understood form based upon fundamental ideas of linear analysis. The application to the Euler equations is given, and the relation to standard "quasi-one-dimensional" boundary conditions is explained. Results for turbomachinery problems show the effectiveness of the new boundary conditions, particularly the steady-state nonreflecting boundary conditions.
引用
收藏
页码:2050 / 2058
页数:9
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