Absorbing boundary technique for open channel flows

被引：0
|
作者：
Yost, SA
Rao, P
Brown, RM
机构：
[1] Univ Kentucky, Dept Civil Engn, Lexington, KY 40506 USA
[2] Univ Kentucky, Dept Math, Lexington, KY 40506 USA
来源：
INTERNATIONAL JOURNAL FOR NUMERICAL METHODS IN FLUIDS | 2000年 / 33卷 / 05期
关键词：
non-reflecting boundary; open channel flows; shocks; subcritical/supercritical flow;
D O I：
10.1002/1097-0363(20000715)33:5<641::AID-FLD21>3.0.CO;2-Y
中图分类号：
TP39 [计算机的应用];
学科分类号：
081203 ; 0835 ;
摘要：
An absorbing boundary condition is formulated and applied to the one-dimensional open channel flow equations in conjunction with an explicit MacCormack scheme. The physical flow domain has been truncated by introducing an artificial pseudo-boundary. By using an appropriate boundary condition on a truncated domain, it is shown that, for flow containing shocks, the solution can be accelerated to its stationary profile with no loss of accuracy. Copyright (C) 2000 John Wiley & Sons, Ltd.
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页码：641 / 656
页数：16
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