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2008 Fiscal Year Final Research Report

High-Resolution Numerical Method of Flow Using High-Density Mesh

Research Project

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Project/Area Number 18206085
Research Category

Grant-in-Aid for Scientific Research (A)

Allocation TypeSingle-year Grants
Section一般
Research Field Aerospace engineering
Research InstitutionTohoku University

Principal Investigator

NAKAHASHI Kazuhiro  Tohoku University, 大学院・工学研究科, 教授 (00207854)

Co-Investigator(Kenkyū-buntansha) MATSUSHIMA Kisa  東北大学, 大学院・工学研究科, 准教授 (40332514)
Project Period (FY) 2006 – 2008
Keywords数値流体力学 / 高精度解法 / 航空機設計
Research Abstract

数値流体力学の精度や工学的有用性を抜本的に改善するために、非構造格子で必要な箇所を細分化して高密度な格子にする方法と高密度な直交格子を用いる方法との二つについて開発と応用研究を行った。前者は精度改善を評価するとともに、最適化法との組み合わせで高速旅客機形状の提案等を行うとともに、現在開発中の旅客機MRJの空力設計に寄与した。後者では本研究で提案しているBuilding-Cube Methodを高度化し、従来の10倍以上の格子密度の計算を行ってその有用性を示した。

  • Research Products

    (25 results)

All 2009 2008 2007 2006

All Journal Article (16 results) (of which Peer Reviewed: 16 results) Presentation (8 results) Book (1 results)

  • [Journal Article] Aerodynamic Characteristics of a two-dimensional supersonic biplane2009

    • Author(s)
      D. Maruyama, K. Kusunose and K. Matushima
    • Journal Title

      covering its take-off to cruise condition,Shock Waves Vol.18

      Pages: 434-450

    • Peer Reviewed
  • [Journal Article] Multidisciplinary Design Exploration for a Winglet2008

    • Author(s)
      K. Takenaka, K. Hatanaka, W. Yamazaki and K. Nakahashi
    • Journal Title

      Journal of Aircraft Vol.45, No.5

      Pages: 1601-1611

    • Peer Reviewed
  • [Journal Article] Efficient and Robust Cartesian Mesh Generation for Building-Cube Method2008

    • Author(s)
      T. Ishida, S. Takahashi and K. Nakahashi
    • Journal Title

      Journal of Computational Science and Technology Vol.2, No.4

      Pages: 435-446

    • Peer Reviewed
  • [Journal Article] Aerodynamic shape optimization of a near-sonicpassenger plane using computational fluid dynamics2008

    • Author(s)
      T. Watanabe, K. Matsushima and K. Nakahashi
    • Journal Title

      Journal of Aerospace Engineering Vol.222

      Pages: 1025-1035

    • Peer Reviewed
  • [Journal Article] Unsteady Flow Computations around Moving Airfoils by Overset Unstructured Grid Method, Trans2008

    • Author(s)
      S. Takahashi, I. Monjugawa, K. Nakahashi
    • Journal Title

      Japan Soc.Aero.Space Sci. Vol.51, No.172

      Pages: 78-85

    • Peer Reviewed
  • [Journal Article] Aerodynamic Design Optimization Using the Drag-Decomposition Method2008

    • Author(s)
      W. Yamazaki, K. Matsushima, K. Nakahashi
    • Journal Title

      AIAA Journal Vol.46, No.5

      Pages: 1096-1106

    • Peer Reviewed
  • [Journal Article] Drag Prediction, Decomposition and Visualization in Unstructured Mesh CFD Solver of TAS-code2008

    • Author(s)
      W. Yamazaki, K. Matsushima, K. Nakahashi
    • Journal Title

      Int.J.Numer.Meth.Fluids Vol.57

      Pages: 417-436

    • Peer Reviewed
  • [Journal Article] Open-Type Separation on Delta Wings for Leading-Edge Bluntness, Trans2007

    • Author(s)
      K. Chiba, S. Obayashi, K. Nakahashi,
    • Journal Title

      Japan Soc. Aero. Space Sci. 50(168)

      Pages: 81-87

    • Peer Reviewed
  • [Journal Article] Numerical Approach to the Flap-Tip Flow Field Using Adaptive Mesh Refinement and UMUSC2007

    • Author(s)
      M. Kuroda, K. Nakahashi, Y.Yokokawa, M. Murayama
    • Journal Title

      Computational Fluid Dynamics Journal Vol.156, No.2

      Pages: 151-166

    • Peer Reviewed
  • [Journal Article] Drag Decomposition-Based Adaptive Mesh Refinement2007

    • Author(s)
      W. Yamazaki, K. Matsushima, and K. Nakahashi
    • Journal Title

      Journal of Aircraft Vo.44, No.6

      Pages: 1896-1905

    • Peer Reviewed
  • [Journal Article] Surface Mesh Movement for Aerodynamic Design of Body-Installation Junction2007

    • Author(s)
      H-J. Kim, K. Nakahashi
    • Journal Title

      AIAA J. Vol.45, No.5

      Pages: 1138-1142

    • Peer Reviewed
  • [Journal Article] Multi-disciplinary Design Optimization and Data Mining for Transonic Regional-Jet Wing2007

    • Author(s)
      K. Chiba, A. Oyama, S. Obayashi, K. Nakahashi, H. Morino
    • Journal Title

      J.Aircraft Vol.44, No.4

      Pages: 1100-1112

    • Peer Reviewed
  • [Journal Article] Parallel Mesh Generation Using an Advancing Front Method2007

    • Author(s)
      Ito, Y., Shih, A.M., Erukala, A. K., Ito, Y., Shih, A.M., Erukala, A.K., Chrisochoides, N.P. and Nakahashi, K.
    • Journal Title

      Mathematics and Computers in Simulation Vol.75, Issues5-6

      Pages: 200-209

    • Peer Reviewed
  • [Journal Article] Multiple Marching Direction Approach to Generate High Quality Hybrid Meshes2007

    • Author(s)
      Ito, Y., Shih, A.M., Soni, B.K. and Nakahashi, K.
    • Journal Title

      AIAA Journal 45(1)

      Pages: 162-167

    • Peer Reviewed
  • [Journal Article] Aerodynamic Design of Complex Configurations with Junctions2006

    • Author(s)
      Salim Koc, Hyoung-Jin Kim, Kazuhiro Nakahashi
    • Journal Title

      Journal of Aircraft 43(6)

      Pages: 1838-1844

    • Peer Reviewed
  • [Journal Article] Error Estimation and Grid Adaptation Using Euler Adjoint Method2006

    • Author(s)
      H-J Kim, Y. Takano, K. Nakahashi
    • Journal Title

      Journal of Aircraft 43(5)

      Pages: 1317-1324

    • Peer Reviewed
  • [Presentation] Flow Computations around Moving and Deforming Bodies Using Cartesian Mesh2009

    • Author(s)
      T. Ishida, S. Takahashi and K. Nakahashi
    • Organizer
      47th AIAA Aerospace Sciences Meeting
    • Place of Presentation
      Orlando, FL, USA
    • Year and Date
      2009-01-08
  • [Presentation] Study of High Resolution Incompressible Flow Simulation Based on Cartesian Mesh2009

    • Author(s)
      S. Takahashi, T. Ishida, K. Nakahashi, H. Kobayashi, K. Okabe, Y. Shimomura, T. Soga and A. Musa
    • Organizer
      47th AIAA Aerospace Sciences Meeting
    • Place of Presentation
      Orlando, FL, USA
    • Year and Date
      2009-01-05
  • [Presentation] CFD Validation about High-Lift Configuration of Civil Transport Aircraft, AIAA-2008-4102008

    • Author(s)
      R. Nakayama, K. Matsushima and K. Nakahashi
    • Organizer
      46th AIAA Aerospace Sciences Meeting and Exhibit, Reno
    • Place of Presentation
      Nevada(USA), Jan.
    • Year and Date
      20080107-10
  • [Presentation] Adaptive Mesh Refinement Using Viscous Adjoint Method for Multi-Element Airfoil Computations,AIAA-2008-4162008

    • Author(s)
      T. Yamahara, K. Nakahashi, H-J. Kim
    • Organizer
      46th AIAA Aerospace Sciences Meeting and Exhibit
    • Place of Presentation
      Reno,Nevada(USA)
    • Year and Date
      20080107-10
  • [Presentation] Building-Cube Method for Incompressible Flow Simulations of Complex Geometries2008

    • Author(s)
      S. Takahashi, T. Ishida and K. Nakahashi
    • Organizer
      the Fifth International Conference on Computational Fluid Dynamics
    • Place of Presentation
      Seoul,Korea
    • Year and Date
      2008-07-10
  • [Presentation] Building-Cube Method : A CFD Approach for Near-Future PetaFlops Computers2008

    • Author(s)
      K. Nakahashi
    • Organizer
      ECCOMAS Congress 2008
    • Place of Presentation
      Venice, Italy
    • Year and Date
      2008-07-01
  • [Presentation] Parallel Cartesian Mesh Generation for Moving Bodies2008

    • Author(s)
      T. Ishida, S. Takahashi and K. Nakahashi
    • Organizer
      20th International Conference on Parallel Computational Fluid Dynamics
    • Place of Presentation
      Lyon,France
    • Year and Date
      2008-05-19
  • [Presentation] Numerical Study of Flows in the Vicinity of Airfoil Trailing Edge, ICAS 2006-2.1022006

    • Author(s)
      K. Nakahashi, Y. Sakurai, A. Kitoh
    • Organizer
      25th Congress of the Int. Council of the Aeronautical Sciences
    • Place of Presentation
      Hamburg,Germany
    • Year and Date
      20060903-08
  • [Book] Nano-Mega Scale Flow Dynamics for Advanced Aerospace Technology2008

    • Author(s)
      中橋和博, 他
    • Total Pages
      1-196
    • Publisher
      Tohoku University Press

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Published: 2010-06-10   Modified: 2016-04-21  

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