IDEAS home Printed from https://ideas.repec.org/a/hin/jnlmpe/414727.html
   My bibliography  Save this article

A Directly Numerical Algorithm for a Backward Time-Fractional Diffusion Equation Based on the Finite Element Method

Author

Listed:
  • Zhousheng Ruan
  • Zewen Wang
  • Wen Zhang

Abstract

We study a backward problem for a time-fractional diffusion equation, which is formulated into a regularized optimization problem. After solving a sequence of well-posed direct problems by the finite element method, a directly numerical algorithm is proposed for solving the regularized optimization problem. In order to obtain a reasonable regularization solution, we utilize the discrepancy principle with decreasing geometric sequence to choose regularization parameters. One- and two-dimensional examples are given to verify the efficiency and stability of the proposed method.

Suggested Citation

  • Zhousheng Ruan & Zewen Wang & Wen Zhang, 2015. "A Directly Numerical Algorithm for a Backward Time-Fractional Diffusion Equation Based on the Finite Element Method," Mathematical Problems in Engineering, Hindawi, vol. 2015, pages 1-8, March.
    • Handle: RePEc:hin:jnlmpe:414727
    DOI: 10.1155/2015/414727
    as

    Download full text from publisher

    File URL: http://downloads.hindawi.com/journals/MPE/2015/414727.pdf
    Download Restriction: no
    File URL: http://downloads.hindawi.com/journals/MPE/2015/414727.xml
    Download Restriction: no
    File URL: https://libkey.io/10.1155/2015/414727?utm_source=ideas
    LibKey link: if access is restricted and if your library uses this service, LibKey will redirect you to where you can use your library subscription to access this item
    ---><---

    More about this item

    Statistics

    Access and download statistics

    Corrections

    All material on this site has been provided by the respective publishers and authors. You can help correct errors and omissions. When requesting a correction, please mention this item's handle: RePEc:hin:jnlmpe:414727. See general information about how to correct material in RePEc.

    If you have authored this item and are not yet registered with RePEc, we encourage you to do it here. This allows to link your profile to this item. It also allows you to accept potential citations to this item that we are uncertain about.

    We have no bibliographic references for this item. You can help adding them by using this form .

    If you know of missing items citing this one, you can help us creating those links by adding the relevant references in the same way as above, for each refering item. If you are a registered author of this item, you may also want to check the "citations" tab in your RePEc Author Service profile, as there may be some citations waiting for confirmation.

    For technical questions regarding this item, or to correct its authors, title, abstract, bibliographic or download information, contact: Mohamed Abdelhakeem (email available below). General contact details of provider: https://www.hindawi.com .

    Please note that corrections may take a couple of weeks to filter through the various RePEc services.

    IDEAS is a RePEc service. RePEc uses bibliographic data supplied by the respective publishers.