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Numerical solver of river flows with secondary currents using new class of semi-structured mesh with waterline capturing technique

Research Project

Project/Area Number 19760334
Research Category

Grant-in-Aid for Young Scientists (B)

Allocation TypeSingle-year Grants
Research Field 水工水理学
Research InstitutionTokyo Institute of Technology

Principal Investigator

YOSHIDA Keisuke  Tokyo Institute of Technology, 大学院・総合理工学研究科, 産学官連携研究員 (50436721)

Project Period (FY) 2007 – 2008
Project Status Completed (Fiscal Year 2008)
Budget Amount *help
¥2,730,000 (Direct Cost: ¥2,400,000、Indirect Cost: ¥330,000)
Fiscal Year 2008: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2007: ¥1,300,000 (Direct Cost: ¥1,300,000)
Keywords河川流の計算 / 2次流 / 河岸の水際移動 / CIP-Soroban法 / 円筒座標 / 河川洪水流の計算
Research Abstract

河川実務に供する低負荷かつ高精度な計算モデルを構築し,併せて航空写真解析を行って,その実流動への適用性を検討した.主な成果は,(1)形状が不規則な実河川の広域流動を簡易に解析可能とした点,(2)二次流の効果を準三次元計算である程度表現した点,(3)少ない格子で高精度計算を実現するため,"斜めCIP-Soroban法"を創出した点である.また,航空写真解析では実体視と相関法を併用して高精度化と省力化を図った点も成果として挙げられる.

Report

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

    (11 results)

All 2009 2008 2007

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

  • [Journal Article] 準3次元CIP-Sorobanモデルによる利根川洪水流の大規模数値計算2009

    • Author(s)
      吉田圭介・石川忠晴・箕浦靖久
    • Journal Title

      水工学論文集 第53巻

      Pages: 877-882

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] 実体視と画像相関解析を併用した洪水航空写真解析手法の構築と検証2009

    • Author(s)
      箕浦靖久・石川忠晴・吉田圭介
    • Journal Title

      水工学論文集 第53巻

      Pages: 997-1002

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] 準3次元CIP-Sorobanモデルによる利根川洪水流の大規模数値計算2009

    • Author(s)
      吉田圭介・石川忠晴・箕浦靖久
    • Journal Title

      水工学論文集 53

      Pages: 877-882

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] 実体視と画像相関解析を併用した洪水航空写真解析手法の構築と検証2009

    • Author(s)
      箕浦靖久・石川忠晴・吉田圭介
    • Journal Title

      水工学論文集 53

      Pages: 997-1002

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] 円筒座標CIP-Soroban法と境界適合座標法を組み合わせた蛇行河川の準3次元計算法2008

    • Author(s)
      吉田圭介・石川忠晴
    • Journal Title

      水工学論文集 第52巻

      Pages: 997-1002

    • NAID

      130004044151

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Depth-averaged numerical solver of meandering river flows by CIP-Soroban grids in cylindrical coordinate system2008

    • Author(s)
      Yoshida, K., Ishikawa, T
    • Journal Title

      Journal of Hydroscience and Hydraulic Engineering, JSCE Vol.26, No.1, May

      Pages: 11-28

    • NAID

      10024021430

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Depth-averaged numerical solver of meandering river flows by CIP-Soroban grids in cylindrical coordinate system2008

    • Author(s)
      Yoshida, K. and Ishikawa, T
    • Journal Title

      Journal of Hydroscience and Hydraulic Engineering, JSCE 26

      Pages: 11-28

    • NAID

      10024021430

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] 円筒座標でCIP-Soroban法を拡張した蛇行河川の浅水流計算法2007

    • Author(s)
      吉田圭介, 石川忠晴
    • Journal Title

      水工学論文集 51

      Pages: 805-810

    • NAID

      130003842549

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] 実体視と相関解析の併用による洪水航空写真解析の効率化2007

    • Author(s)
      箕浦靖久, 石川忠晴, 吉田圭介
    • Journal Title

      水工学論文集 51

      Pages: 1093-1098

    • NAID

      130003842366

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Presentation] Quasi-3D solver of meandering river flows by CIP-Soroban scheme in cylindrical coordinates with support of boundary fitted coordinate method2008

    • Author(s)
      Yoshida, K., Ishikawa, T.
    • Organizer
      Proc. 16^th APD-IAHR Congress
    • Place of Presentation
      中国・南京市
    • Year and Date
      2008-10-20
    • Related Report
      2008 Final Research Report
  • [Presentation] Flood flow analysis on aerial photos by image correlation method with support of stereo visualization2008

    • Author(s)
      Minoura, Y., Ishikawa, T., Yoshida, K.
    • Organizer
      Proc. 16^th APD-IAHR Congress
    • Place of Presentation
      中国・南京市
    • Year and Date
      2008-10-20
    • Related Report
      2008 Final Research Report

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Published: 2007-04-01   Modified: 2016-04-21  

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