Instantaneous control of backward-facing step flows

被引：69
|
作者：
Choi, H
Hinze, M
Kunisch, K
机构：
[1] Tech Univ Berlin, Fachbereich Math, D-10623 Berlin, Germany
[2] Seoul Natl Univ, Dept Mech Engn, Seoul 151742, South Korea
[3] Graz Univ, Inst Math, A-8010 Graz, Austria
来源：
APPLIED NUMERICAL MATHEMATICS | 1999年 / 31卷 / 02期
关键词：
suboptimal control; backward-facing step flows; recirculation bubble;
D O I：
10.1016/S0168-9274(98)00131-7
中图分类号：
O29 [应用数学];
学科分类号：
070104 ;
摘要：
In the present paper suboptimal boundary control strategies for the time-dependent, incompressible flow over the backward-facing step are considered. The objective consists in the reduction of the recirculation bubble of the flow behind the step. Several cost functionals are suggested and a frame for the derivation of the optimality systems for a general class of cost functionals is presented. Numerical examples are given. (C) 1999 Elsevier Science B.V. and IMACS. All rights reserved.
引用
收藏
页码：133 / 158
页数：26
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