Data completion for the Stokes system

被引:6
作者
Ben Abda, Amel [1 ]
Ben Saad, Imen [1 ]
Hassine, Maatoug [1 ]
机构
[1] Univ Tunis El Manar, Ecole Natl Ingenieurs Tunis, LAMSIN, Tunis 1002, Tunisia
来源
COMPTES RENDUS MECANIQUE | 2009年 / 337卷 / 9-10期
关键词
Computational fluid mechanics; Cauchy-Stokes problem; Data completion; Inverse problem; Steklov-Poincare operator;
D O I
10.1016/j.crme.2009.09.007
中图分类号
O3 [力学];
学科分类号
08 ; 0801 ;
摘要
This Note is concerned with the severely ill-posed Cauchy-Stokes problem. This inverse problem is rephrased into an optimization one: An energy-like error functional is introduced. We prove that the optimality condition of the first order is equivalent to solving an interfacial equation which turns out to be a Cauchy-Steklov-Poincare operator. Numerical trials highlight the efficiency of the present method. To cite this article: A. Ben Abda et al., C. R. Mecanique 337 (2009). (C) 2009 Academie des sciences. Published by Elsevier Masson SAS. All rights reserved.
引用
收藏
页码:703 / 708
页数:6
相关论文
共 8 条
[1]   Solving Cauchy problems by minimizing an energy-like functional [J].
Andrieux, S ;
Baranger, TN ;
Ben Abda, A .
INVERSE PROBLEMS, 2006, 22 (01) :115-133
[2]   Data completion via an energy error functional [J].
Andrieux, S ;
Ben Abda, A ;
Baranger, TN .
COMPTES RENDUS MECANIQUE, 2005, 333 (02) :171-177
[3]   An alternating method for the stationary Stokes system [J].
Bastay, G ;
Johansson, T ;
Kozlov, VA ;
Lesnic, D .
ZAMM-ZEITSCHRIFT FUR ANGEWANDTE MATHEMATIK UND MECHANIK, 2006, 86 (04) :268-280
[4]   Missing boundary data reconstruction by the factorization method [J].
Ben Abda, Amel ;
Henry, Jacques ;
Jday, Fadhel .
COMPTES RENDUS MATHEMATIQUE, 2009, 347 (9-10) :501-504
[5]   On Cauchy's problem: I. A variational Steklov-Poincare theory [J].
Ben Belgacem, F ;
El Fekih, H .
INVERSE PROBLEMS, 2005, 21 (06) :1915-1936
[6]  
FreeFem++, 2020, FREEFEM VERSION 4 5
[7]   DETERMINING CONDUCTIVITY BY BOUNDARY MEASUREMENTS .2. INTERIOR RESULTS [J].
KOHN, RV ;
VOGELIUS, M .
COMMUNICATIONS ON PURE AND APPLIED MATHEMATICS, 1985, 38 (05) :643-667
[8]  
MARINI LD, 1988, ITERATIVE PROCEDURE