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A Study on the High-Accuracy Numerical Reconstruction Methods for the Solution of Some Inverse Problems for Partial Differential Equations

Research Project

Project/Area Number 18540150
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeSingle-year Grants
Section一般
Research Field General mathematics (including Probability theory/Statistical mathematics)
Research InstitutionOkayama University of Science

Principal Investigator

OHE Takashi  Okayama University of Science, 理学部, 准教授 (90258210)

Co-Investigator(Kenkyū-buntansha) 大中 幸三郎  大阪大学, 大学院・工学研究科, 准教授 (60127199)
池畠 優  群馬大学, 大学院・工学研究科, 教授 (90202910)
山谷 克  名城大学, 都市情報学部, 准教授 (80293611)
Co-Investigator(Renkei-kenkyūsha) OHNAKA Kohzaburo  大阪大学, 大学院・工学研究科, 准教授 (60127199)
IKEHATA Masaru  群馬大学大学院, 工学研究科, 教授 (90202910)
YAMATANI Katsu  名城大学, 都市情報学部, 准教授 (80293611)
Project Period (FY) 2006 – 2008
Project Status Completed (Fiscal Year 2008)
Budget Amount *help
¥3,770,000 (Direct Cost: ¥3,200,000、Indirect Cost: ¥570,000)
Fiscal Year 2008: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2007: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2006: ¥1,300,000 (Direct Cost: ¥1,300,000)
Keywords逆問題 / 数値解析 / 数値解法 / 応用数学 / 数理工学 / 画像処理 / 医用工学
Research Abstract

Laplace方程式やHelmholtz方程式などの偏微分方程式の逆問題について、その解の直接的・数値的再構成法の開発を行い、数値実験による有効性の検証を行なった。特に(1)囲い込み法に基づく方法、(2)代用電荷法に基づく方法、(3)重みつき境界積分に基づく方法について開発を行なった。いくつかの解法については安定性解析や正則化手法に関する理論解析を行ない、有効性に関する理論的保証を与えた。

Report

(4 results)
  • 2008 Annual Research Report   Final Research Report ( PDF )
  • 2007 Annual Research Report
  • 2006 Annual Research Report
  • Research Products

    (29 results)

All 2008 2007 2006 Other

All Journal Article (18 results) (of which Peer Reviewed: 15 results) Presentation (9 results) Remarks (2 results)

  • [Journal Article] A Direct Identification Method of a Point Source for 3-dimensional Scalar Wave Equation2008

    • Author(s)
      H. Inui and K. Ohnaka
    • Journal Title

      Information Vol.11

      Pages: 171-178

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Enclosure method for an inverse crack problem and the Mittag-Leffler function2008

    • Author(s)
      M. Ikehata and T. Ohe
    • Journal Title

      Inverse Problems Vol.24, 015006

      Pages: 27-27

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] On an Inverse Source Problem for 3-dimensional Wave Equation2008

    • Author(s)
      K. Ohnaka and H. Inui
    • Journal Title

      Joint Research on Environmental Science and Technology for the Earth, Annual Report of FY 2007, M. Ike and P. H. Viet (eds.)

      Pages: 544-547

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] 高階導関数に着目した段階的なDCT係数予測と画像圧縮への応用2008

    • Author(s)
      芦澤恵太, 山谷克
    • Journal Title

      電子情報通信学会論文誌(A) Vol.J91-A

      Pages: 808-816

    • NAID

      110007384684

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] 高階導関数に着目した段階的なDCT係数予測と画像圧縮への応用2008

    • Author(s)
      芦澤恵太, 山谷克
    • Journal Title

      電子情報通信学会論文誌(A) J91-A

      Pages: 808-816

    • NAID

      110007384684

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] A Direct Identification Method of a Point Source for 3-dimensional Scalar Wave Equation2008

    • Author(s)
      H. Inui, K. Ohnaka
    • Journal Title

      Information 11

      Pages: 171-178

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] On an Inverse Source Problem for 3-dimensional Wave Equation2008

    • Author(s)
      K. Ohnaka, H. Inui
    • Journal Title

      Joint Research on Environmental Science and Technology for the Earth ; Annual Report of FY 2007

      Pages: 544-547

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Enclosure method for an inverse crack problem and the Mittag-Lefller function2008

    • Author(s)
      M. Ikehata, T. Ohe
    • Journal Title

      Inverse Problems 24

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] A Direct Identification Method of a Point Source for 3-dimensional Scalar Wave Equation2008

    • Author(s)
      H. Inui, K. Ohnaka
    • Journal Title

      Information 11(In press)

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] A direct identification method for current dipoles from electromagnetic fields2007

    • Author(s)
      K. Yamatani, T. Ohe and K. Ohnaka
    • Journal Title

      Journal of Computational and Applied Mathematics Vol.201

      Pages: 164-174

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] 多近傍情報による予測と残差直交変換の階層化およびその画像圧縮への応用2007

    • Author(s)
      芦澤恵太, 山谷克, 斎藤直樹
    • Journal Title

      日本応用数理学会論文誌 Vol.17

      Pages: 239-257

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] On a numerical solution of the Cauchy problem for the Laplace equation by the fundamental solutions method2007

    • Author(s)
      Takashi Ohe, Katsu Yamatani, Kohzaburo Ohnaka
    • Journal Title

      Proceedings on Applied Mathematics and Mechanics Vol.7

      Pages: 2040035-2040036

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] On a numerical solution of the Cauchy problem for the Laplace equation by the fundamental solutions method2007

    • Author(s)
      T. Ohe, K. Yamatani, K. Ohnaka
    • Journal Title

      Proceedings on Applied Mathematics and Mechanics (PAMM)(発行年は2007年であるが、実際に出版されたのは2008年9月18日(online)である) 7

      Pages: 2040035-2040036

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] 多近傍情報による予測と残差直交変換の階層化およびその画像圧縮への応用2007

    • Author(s)
      芦沢 恵太, 山谷 克, 斎藤 直樹
    • Journal Title

      日本応用数理学会論文誌 17

      Pages: 239-257

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] A direct identification method for current dipoles from electromagnetic fields2007

    • Author(s)
      K.Yamatani, T.Ohe, K.Ohnaka
    • Journal Title

      Journal of Computational and Applied Mathematics 201

      Pages: 164-174

    • Related Report
      2006 Annual Research Report
  • [Journal Article] An inverse source problem for the heat equation and the enclosure method2007

    • Author(s)
      M.Ikehata
    • Journal Title

      Inverse Problems 23

      Pages: 183-202

    • Related Report
      2006 Annual Research Report
  • [Journal Article] Improvement of DCT-based compression algorithms using Poisson's equation2006

    • Author(s)
      K. Yamatani, N. Saito
    • Journal Title

      IEEE Transactions on Image Processing Vol.15

      Pages: 3672-3689

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Improvement of DCT-based compression algorithms using Poisson's equation2006

    • Author(s)
      K.Yamatani, N.Saito
    • Journal Title

      IEEE Transactions on Image Processing 15

      Pages: 3672-3689

    • Related Report
      2006 Annual Research Report
  • [Presentation] Laplace方程式のCauchy問題に対する代用電荷法の正則化について2008

    • Author(s)
      大江貴司, 大中幸三郎
    • Organizer
      日本応用数理学会環瀬戸内応用数理研究部会第12回シンポジウム
    • Place of Presentation
      山形大学理学部
    • Year and Date
      2008-10-12
    • Related Report
      2008 Annual Research Report 2008 Final Research Report
  • [Presentation] 多近傍情報を用いたDCT係数予測2007

    • Author(s)
      芦澤恵太,山谷克
    • Organizer
      日本応用数理学会2007年度年会
    • Place of Presentation
      北海道大学
    • Year and Date
      2007-09-17
    • Related Report
      2008 Final Research Report
  • [Presentation] 変化する強度を持つ複数点波源に対する同定2007

    • Author(s)
      乾裕一,大中幸三郎
    • Organizer
      日本応用数理学会2007年度年会
    • Place of Presentation
      北海道大学
    • Year and Date
      2007-09-15
    • Related Report
      2008 Final Research Report
  • [Presentation] On a numerical solution of the Cauchy problem for he Laplace equation by the fundamental solutions method2007

    • Author(s)
      T. Ohe, K. Yamatani and K. Ohnaka
    • Organizer
      The 6th International Congress on Industrial and Applied Mathematics
    • Place of Presentation
      University of Zurich, Switzerland
    • Year and Date
      2007-07-20
    • Related Report
      2008 Final Research Report
  • [Presentation] On a numerical solution of the Cauchy problem for the Laplace equation by the fundamental solutions method2007

    • Author(s)
      T. Ohe, K. Ohnaka, K. Yamatani
    • Organizer
      ICIAM07
    • Place of Presentation
      Zurich,Switzerland
    • Year and Date
      2007-07-20
    • Related Report
      2007 Annual Research Report
  • [Presentation] A numerical method for inverse crack problem using the Mittag-Leffler function2007

    • Author(s)
      T. Ohe and M. Ikehata
    • Organizer
      研究集会「数理科学セミナー」
    • Place of Presentation
      筑波大学
    • Year and Date
      2007-02-10
    • Related Report
      2008 Final Research Report
  • [Presentation] 円弧上で与えられたCauchy条件に対するLaplace方程式の数値解法について2006

    • Author(s)
      大江貴司, 大中幸三郎
    • Organizer
      日本応用数理学会2006年度年会
    • Place of Presentation
      筑波大学
    • Year and Date
      2006-09-16
    • Related Report
      2008 Final Research Report
  • [Presentation] Inverse crack problem and the Mittag-Leffler function2006

    • Author(s)
      M. Ikehata and T. Ohe
    • Organizer
      Inverse Problems in Applied Sciences --- towards the break through ---
    • Place of Presentation
      北海道大学
    • Year and Date
      2006-07-06
    • Related Report
      2008 Final Research Report
  • [Presentation] A Numerical Method for Finding Current Sources for Time-Harmonic Maxwell's Equations2006

    • Author(s)
      K. Ohnaka
    • Organizer
      The Sixth East Asia PDE Conference
    • Place of Presentation
      Wuhan University, China
    • Year and Date
      2006-05-16
    • Related Report
      2008 Final Research Report
  • [Remarks]

    • URL

      http://ne.sp.ous.ac.jp/~one/

    • Related Report
      2008 Annual Research Report
  • [Remarks]

    • URL

      http://ne.sp.ous.ac.jp/~ohe/Profeel/Gyouseki.htm

    • Related Report
      2007 Annual Research Report

URL: 

Published: 2006-04-01   Modified: 2016-04-21  

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