数学物理学报(英文版) ›› 2018, Vol. 38 ›› Issue (4): 1345-1360.doi: 10.1016/S0252-9602(18)30818-X

• 论文 • 上一篇    下一篇

PARAMETER IDENTIFICATION BY OPTIMIZATION METHOD FOR A POLLUTION PROBLEM IN POROUS MEDIA

R. ABOULAICH1, B. ACHCHAB2, A. DAROUICHI3   

  1. 1. LERMA, Ecole Mohammadia d'Ingénieurs Université de Mohammed V-Agdal, Avenue Ibn Sina B. P 765, Agdal, Rabat, Maroc;
    2. Université Hassan 1, Ecde Supérieure de Technologic Berrechi, and LAMSAD, ESTB, B. P 218 Berrechid, Maroc;
    3. Université Cadi Ayyad, Ecole Supérieure de Technologie, B. P 383 Essaouira, Maroc
  • 收稿日期:2016-05-26 修回日期:2017-10-11 出版日期:2018-08-25 发布日期:2018-08-25
  • 作者简介:R.ABOULAICH,E-mail:aboulaich@emi.ac.ma;B.ACHCHAB,E-mail:achchab@estb.ac.ma;A.DAROUICHI,E-mail:azizdarouichi@gmail.com
  • 基金资助:

    This work was supported in part by the CNRST Morocco, the Volkswagen Foundation:Grant number I/79315 and Hydromed project.

PARAMETER IDENTIFICATION BY OPTIMIZATION METHOD FOR A POLLUTION PROBLEM IN POROUS MEDIA

R. ABOULAICH1, B. ACHCHAB2, A. DAROUICHI3   

  1. 1. LERMA, Ecole Mohammadia d'Ingénieurs Université de Mohammed V-Agdal, Avenue Ibn Sina B. P 765, Agdal, Rabat, Maroc;
    2. Université Hassan 1, Ecde Supérieure de Technologic Berrechi, and LAMSAD, ESTB, B. P 218 Berrechid, Maroc;
    3. Université Cadi Ayyad, Ecole Supérieure de Technologie, B. P 383 Essaouira, Maroc
  • Received:2016-05-26 Revised:2017-10-11 Online:2018-08-25 Published:2018-08-25
  • Supported by:

    This work was supported in part by the CNRST Morocco, the Volkswagen Foundation:Grant number I/79315 and Hydromed project.

摘要:

In the present work, we investigate the inverse problem of reconstructing the parameter of an integro-differential parabolic equation, which comes from pollution problems in porous media, when the final observation is given. We use the optimal control framework to establish both the existence and necessary condition of the minimizer for the cost functional. Furthermore, we prove the stability and the local uniqueness of the minimizer. Some numerical results will be presented and discussed.

关键词: inverse problem, coefficient identification, optimization method, pollution problem, porous media

Abstract:

In the present work, we investigate the inverse problem of reconstructing the parameter of an integro-differential parabolic equation, which comes from pollution problems in porous media, when the final observation is given. We use the optimal control framework to establish both the existence and necessary condition of the minimizer for the cost functional. Furthermore, we prove the stability and the local uniqueness of the minimizer. Some numerical results will be presented and discussed.

Key words: inverse problem, coefficient identification, optimization method, pollution problem, porous media