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Further development of the probe and enclosure methods

Research Project

Project/Area Number 18540160
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeSingle-year Grants
Section一般
Research Field Basic analysis
Research InstitutionGunma University

Principal Investigator

IKEHATA Masaru  Gunma University, 大学院・工学研究科, 教授 (90202910)

Co-Investigator(Kenkyū-buntansha) TANUMA Kazumi  群馬大学, 大学院・工学研究科, 准教授 (60217156)
AMANO Kazuo  群馬大学, 大学院・工学研究科, 准教授 (90137795)
OHE Takashi  岡山理科大学, 理学部, 准教授 (90258210)
ITOU Hiromichi  群馬大学, 大学院・工学研究科, 助教 (30400790)
Co-Investigator(Renkei-kenkyūsha) TANUMA Kazumi  群馬大学, 大学院・工学研究科, 准教授 (60217156)
AMANO Kazuo  群馬大学, 大学院・工学研究科, 准教授 (90137795)
OHE Takashi  岡山理科大学, 理学部, 准教授 (90258210)
Project Period (FY) 2006 – 2008
Project Status Completed (Fiscal Year 2008)
Budget Amount *help
¥3,340,000 (Direct Cost: ¥2,800,000、Indirect Cost: ¥540,000)
Fiscal Year 2008: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2007: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2006: ¥1,000,000 (Direct Cost: ¥1,000,000)
Keywords境界値逆問題 / Laplace方程式 / Helmholtz方程式 / 熱方程式 / 弾性体の方程式 / 空洞 / 亀裂 / 非破壊検査 / 解析学 / 熱伝導逆問題 / 弾性体 / 逆向き熱方程式 / 逆散乱問題 / 障害物
Research Abstract

偏微分方程式に対する境界値逆問題あるいは逆散乱問題として定式化される、媒質中の不連続性についての情報を、さまざまな物理量からなる観測データから抽出する問題について、研究代表者が過去に発見した二つの基本的方法である探針法と囲い込み法のさらなる展開を目指して研究した。その結果弾性体の方程式、熱方程式、Laplace方程式, Helmholtz方程式等で記述される境界値逆問題において、長い間懸案となっていた問題についての解決を得た。

Report

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

    (37 results)

All 2009 2008 2007 2006 Other

All Journal Article (19 results) (of which Peer Reviewed: 18 results) Presentation (15 results) Remarks (3 results)

  • [Journal Article] Two analytical formulae of the temperature inside a body by using partial lateral and initial data2009

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

      Inverse Problems 25

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Two analytical formulae of the temperature inside a body by using partial lateral and initial data2009

    • Author(s)
      Ikehat, M.
    • Journal Title

      Inverse Problems 25

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Enclosure method and reconstruction of a linear crack in an elastic body2008

    • Author(s)
      Ikehata,M.&Itou,H.
    • Journal Title

      J. hys. : Conf. Ser 135

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] A remark on the enclosure method for a body with an unknown homogeneous background conductivity2008

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

      Cubo A Mathematical Journal 10、No2

      Pages: 31-45

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] An inverse problem for a linear crack in an anisotropic elastic body and the enclosure method2008

    • Author(s)
      Ikehata,M. & Itou,H.
    • Journal Title

      Inverse Problems 24

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

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

      Inverse Problems 24

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Enclosure method and reconstruction of a linear crack in an elastic body2008

    • Author(s)
      Ikehata, M. & Itou, H.
    • Journal Title

      J. Phys.: Conf. Ser. 135

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] A remark on the enclosure method for a body with an unknown homogeneous background conductivity2008

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

      Cubo A Mathematical Journal 10(2)

      Pages: 31-45

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] An inverse problem for alinear crack in an anisotropic elastic bodyand the enclosure method2008

    • Author(s)
      Ikehata, M and Itou, H
    • Journal Title

      Inverse Problems 24

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] The enclosure method jbr an inverse crack problem and the MittagLeffler function2008

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

      Inverse Problems 24

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Probe method and a Carleman function2007

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

      Inverse Problems 23

      Pages: 1871-1894

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Virtual signal in the heat equation and the enclosure method Inverse Problems in Applied Sciences -towards breakthrough2007

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

      J. Phys. : Conf. Ser 73

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Extracting discontinuity in a heat conductive body2007

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

      One- space dimensional case、Applicable Analysis 86

      Pages: 963-1005

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Reconstruction of a linear crack in an isotropic elastic body from a single set of measured data2007

    • Author(s)
      Ikehata, M. & Itou, H.
    • Journal Title

      Inverse Problems 23

      Pages: 589-607

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Probe method and a Carleman function2007

    • Author(s)
      Ikehata, M
    • Journal Title

      Inverse Problems 23

      Pages: 1871-1894

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Virtual signal in the heat equation and the enclosure method Inverse Problems in Applied Sciences-towards breakthrough2007

    • Author(s)
      Ikehata, M
    • Journal Title

      Joumal of physics:Conference Series 73

      Pages: 12010-12010

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Extracting discontinuity in a heat conductive body.One-space dilnensional case2007

    • Author(s)
      Ikehata, M
    • Journal Title

      Applicable Analysis 86

      Pages: 963-1005

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Reconstruction of a linear crack from a single set of measured data2007

    • Author(s)
      Ikehata, M, Itou, H.
    • Journal Title

      Inverse Problems 23

      Pages: 589-607

    • Related Report
      2006 Annual Research Report
  • [Journal Article] The enclosure method for the heat equation

    • Author(s)
      Ikehata,M. & Kawashita, M.
    • Journal Title

      Inverse Problems (in press)

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Presentation] On reconstruction of an unknown cavity in an isotropic elastic body with one measurement2009

    • Author(s)
      池畠優、伊藤弘道
    • Organizer
      日本数学会2009年度春の年会
    • Place of Presentation
      東京
    • Year and Date
      2009-03-29
    • Related Report
      2008 Annual Research Report 2008 Final Research Report
  • [Presentation] The enclosure method and extracting unknown discontinuity from dynamical data2009

    • Author(s)
      池畠優
    • Organizer
      望月先生退職記念研究集会
    • Place of Presentation
      東京
    • Year and Date
      2009-03-18
    • Related Report
      2008 Annual Research Report 2008 Final Research Report
  • [Presentation] 逆問題における不連続性の抽出のための解析的方法-探針法10年-2008

    • Author(s)
      池畠優
    • Organizer
      Encounter with Mathematics 第48回微分方程式に対する逆問題-既知と未知が逆転したときに何が視えるか?
    • Place of Presentation
      東京
    • Year and Date
      2008-11-21
    • Related Report
      2008 Final Research Report
  • [Presentation] 逆問題における不連続性の抽出のための解析的方法-探針法10年-2008

    • Author(s)
      池畠優
    • Organizer
      Encounter with Mathematics第48回微分方程式に対する逆問題-既知と未知が逆転したときに何が視えるか?
    • Place of Presentation
      東京
    • Year and Date
      2008-11-21
    • Related Report
      2008 Annual Research Report
  • [Presentation] Enclosure method and reconstruction of a linear crack in an elastic body2008

    • Author(s)
      Ikehata, M. & Itou, H.
    • Organizer
      6th International Conference on Inverse Problems in Engineering : Theory and Practice (ICIPE2008)
    • Place of Presentation
      Paris, France
    • Year and Date
      2008-06-19
    • Related Report
      2008 Final Research Report
  • [Presentation] Enclosure method and reconstruction of a linear crack in an elastic body2008

    • Author(s)
      Ikehata, M. & Itou, H.
    • Organizer
      6th International Conference on Inverse Problems in Engineering: Theory and Practice(ICIPE2008)
    • Place of Presentation
      Paris, France
    • Year and Date
      2008-06-19
    • Related Report
      2008 Annual Research Report
  • [Presentation] An inverse problem for the heat equation and the enclosure Method2008

    • Author(s)
      Ikehata, M.
    • Organizer
      第8回松山解析セミナー
    • Place of Presentation
      愛媛
    • Year and Date
      2008-02-13
    • Related Report
      2008 Final Research Report
  • [Presentation] On inverse crack problems in elastostatics2007

    • Author(s)
      Ikehata,M. & Itou,H.
    • Organizer
      6th International Congress on Industrial and Applied Mathematics
    • Place of Presentation
      Switzerland
    • Year and Date
      2007-07-16
    • Related Report
      2008 Final Research Report
  • [Presentation] On inverse crack problems in elastostatics2007

    • Author(s)
      Masaru Ikehata & Hiromichi Itou
    • Organizer
      6th International Congress on Industrial and Applied Mathematics
    • Place of Presentation
      Zurich University, Switzerland
    • Year and Date
      2007-07-16
    • Related Report
      2007 Annual Research Report
  • [Presentation] Probe method and a Carleman function2007

    • Author(s)
      池畠優
    • Organizer
      数理科学セミナー
    • Place of Presentation
      茨城
    • Year and Date
      2007-02-10
    • Related Report
      2008 Final Research Report
  • [Presentation] Virtual signal in the heat equation and the enclosure method2007

    • Author(s)
      Ikehata, M.
    • Organizer
      Symposium on Inverse Problems Honoring Alberto Calderon, IMPA
    • Place of Presentation
      Rio de Janeiro, Brazil
    • Related Report
      2008 Final Research Report
  • [Presentation] 指数関数と偏微分方程式に対する逆問題2006

    • Author(s)
      池畠優
    • Organizer
      愛媛大学数学談話会
    • Place of Presentation
      愛媛
    • Year and Date
      2006-09-27
    • Related Report
      2008 Final Research Report
  • [Presentation] Travel time and heat equation2006

    • Author(s)
      池畠優
    • Organizer
      中央大学偏微分方程式セミナー
    • Place of Presentation
      東京
    • Year and Date
      2006-06-21
    • Related Report
      2008 Final Research Report
  • [Presentation] Travel time, heat equation and extracting discontinuity2006

    • Author(s)
      池畠優
    • Organizer
      数理科学セミナー
    • Place of Presentation
      茨城
    • Related Report
      2008 Final Research Report
  • [Presentation] An inverse source problem for the heat equation and the enclosure method2006

    • Author(s)
      Ikehata, M.
    • Organizer
      Inverse Problems in Applied Sciences-towards breakthrough-
    • Place of Presentation
      北海道
    • Related Report
      2008 Final Research Report
  • [Remarks]

    • URL

      http://math.dept.eng.gunma-u.ac.jp/~ikehata/

    • Related Report
      2008 Final Research Report
  • [Remarks]

    • URL

      http://math.dept.eng.gunma-u.ac.jp/~rikehata/

    • Related Report
      2008 Annual Research Report
  • [Remarks]

    • URL

      http://www.tech.gunma-u.ac.jp/gakka/ikehata/Index.html

    • Related Report
      2007 Annual Research Report

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

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