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Development of new homogenization method for efficient electromagnetic analysis and its application

Research Project

Project/Area Number 26420233
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Research Field Power engineering/Power conversion/Electric machinery
Research InstitutionKyoto University

Principal Investigator

Mifune Takeshi  京都大学, 工学研究科, 講師 (20362460)

Project Period (FY) 2014-04-01 – 2017-03-31
Project Status Completed (Fiscal Year 2016)
Budget Amount *help
¥4,940,000 (Direct Cost: ¥3,800,000、Indirect Cost: ¥1,140,000)
Fiscal Year 2016: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2015: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Fiscal Year 2014: ¥1,950,000 (Direct Cost: ¥1,500,000、Indirect Cost: ¥450,000)
Keywords電磁界解析 / 有限要素法 / 計算電磁気学
Outline of Final Research Achievements

We have developed a new homogenization method to improve the accuracy of finite element analysis using unfitted mesh. The homogenization method appropriately determines the material constant at unfitted element as tensor, and thereby provides the solution that mathematically coincides with the exact solution when the fields are uniform. We developed a theory to handle anisotropic and nonlinear media appropriately and developed a fast analysis method by combining with the multi grid method. Moreover, we also conducted theoretical analysis from the viewpoint of generalized finite element method.

Report

(4 results)
  • 2016 Annual Research Report   Final Research Report ( PDF )
  • 2015 Research-status Report
  • 2014 Research-status Report
  • Research Products

    (9 results)

All 2016 2015 2014

All Journal Article (1 results) (of which Peer Reviewed: 1 results,  Acknowledgement Compliant: 1 results) Presentation (8 results) (of which Int'l Joint Research: 3 results)

  • [Journal Article] Interface homogenization technique for unfitted finite element electromagnetic analysis2015

    • Author(s)
      T. Mifune
    • Journal Title

      IEEE Transactions on Magnetics

      Volume: 51 Issue: 3 Pages: 7203004-7203004

    • DOI

      10.1109/tmag.2014.2361321

    • Related Report
      2015 Research-status Report
    • Peer Reviewed / Acknowledgement Compliant
  • [Presentation] Interface Homogenization Technique for Electro/Magneto-Static Finite Element Analysis Including Anisotropic Media2016

    • Author(s)
      T. Mifune
    • Organizer
      2016 IEEE International Conference on Wireless Information Technology and Systems and Applied Computational Electromagnetics
    • Place of Presentation
      Honolulu
    • Year and Date
      2016-03-13
    • Related Report
      2015 Research-status Report
    • Int'l Joint Research
  • [Presentation] Interface Homogenization Technique for Electromagnetic Finite Element Analysis Including Anisotropic Media2015

    • Author(s)
      Takeshi Mifune
    • Organizer
      COMPUMAG(Conference on the Computation of Electromagnetic Fields)2015
    • Place of Presentation
      モントリオール
    • Year and Date
      2015-06-28 – 2015-07-02
    • Related Report
      2014 Research-status Report
  • [Presentation] Application of Homogenization Technique to Geometric Multigrid Method for Electromagnetic Finite Element Analysis2015

    • Author(s)
      Tsubasa Kimura, Takeshi Mifune, Tetsuji Matsuo
    • Organizer
      COMPUMAG(Conference on the Computation of Electromagnetic Fields)2015
    • Place of Presentation
      モントリオール
    • Year and Date
      2015-06-28 – 2015-07-02
    • Related Report
      2014 Research-status Report
  • [Presentation] Application of homogenization technique to geometric multigrid method for electromagnetic finite element analysis2015

    • Author(s)
      T. Kimura, T. Mifune, and T. Matsuo
    • Organizer
      20th International Conference on the Computation of Electromagnetic Fields
    • Place of Presentation
      Montreal
    • Year and Date
      2015-06-28
    • Related Report
      2015 Research-status Report
    • Int'l Joint Research
  • [Presentation] Interface homogenization technique for electromagnetic finite element analysis including anisotropic media2015

    • Author(s)
      T. Mifune
    • Organizer
      20th International Conference on the Computation of Electromagnetic Fields
    • Place of Presentation
      Montreal
    • Year and Date
      2015-06-28
    • Related Report
      2015 Research-status Report
    • Int'l Joint Research
  • [Presentation] 不整合メッシュを扱う幾何マルチグリッド法への均質化法の適用に関する基礎的検討2015

    • Author(s)
      木村翼,美舩健,松尾哲司
    • Organizer
      電気学会静止器回転機合同研究会
    • Place of Presentation
      宮古
    • Year and Date
      2015-03-05 – 2015-03-06
    • Related Report
      2014 Research-status Report
  • [Presentation] 異方性媒質を含む不整合有限要素メッシュのための均質化法に関する検討2014

    • Author(s)
      美舩健
    • Organizer
      電気学会静止器回転機合同研究会
    • Place of Presentation
      宇都宮
    • Year and Date
      2014-09-25 – 2014-09-26
    • Related Report
      2014 Research-status Report
  • [Presentation] Interface Homogenization Technique for Unfitted Finite Element Electromagnetic Analysis2014

    • Author(s)
      Takeshi Mifune
    • Organizer
      16th Biennial IEEE Conference on Electromagnetic Field Computation
    • Place of Presentation
      アヌシー
    • Year and Date
      2014-05-25 – 2014-05-28
    • Related Report
      2014 Research-status Report

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Published: 2014-04-04   Modified: 2018-03-22  

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