Mechanism of Stationary Shock Wave Instability and Its Application

• Project/Area Number: 21760116
• Research Category: Grant-in-Aid for Young Scientists (B)
• Allocation Type: Single-year Grants
• Research Field: Fluid engineering
• Research Institution: Tohoku University
• Principal Investigator: OHNISHI Noafumi 東北大学, 大学院・工学研究科, 准教授 (20333859)
• Project Period (FY): 2009 – 2010
• Project Status: Completed (Fiscal Year 2010)
• Budget Amount: ¥4,420,000 (Direct Cost: ¥3,400,000、Indirect Cost: ¥1,020,000); Fiscal Year 2010: ¥2,730,000 (Direct Cost: ¥2,100,000、Indirect Cost: ¥630,000); Fiscal Year 2009: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
• Keywords: 数値流体力学 / 流体力学的不安定性 / 衝撃波 / 超新星爆発 / 造波抵抗低減 / 弧状衝撃波 / 超音速飛行物体 / レーザー生成プラズマ

Research Abstract

Three-dimensional numerical simulations were conducted using the discontinuous Galerkin (DG) finite-element method to clarify mechanism of bow-shock instability, which has been experimentally observed for a blunt body. The most favorable flux functions and numerical conditions were explored through the comparisons among them. Laser energy deposition that leads to a low-density region ahead of a bow shock was investigated for reducing the wave drag, and the effect of laser input condition was clarified with our developed code.

Research Products

• [Journal Article] 弧状衝撃波不安定性の三次元数値流体解析 (2011)
  • Author(s): 佐藤陽介, 鈴木佑一郎, 保江かな子, 大西直文
  • Journal Title: 平成22年度衝撃波シンポジウム講演論文集 Pages: 167-168
• [Journal Article] Thermochemical nonequilibrium flow computation of drag reduction by pulsed laser (2010)
  • Author(s): M. Tate, Y. Ogino, N. Ohnishi
  • Journal Title: AIAA Paper Pages: 2010-1535
• [Journal Article] 弧状衝撃波不安定性の三次元数値流体解析 (2010)
  • Author(s): 鈴木佑一郎, 保江かな子, 大西直文
  • Journal Title: 第42回流体力学講演会/航空宇宙シミュレーション技術シンポジウム2010講演論文集
• [Journal Article] Thermochemical nonequilibrium flow computation of drag reduction by pulsed laser (2010)
  • Author(s): 楯真沙美, 荻野要介, 大西直文
  • Journal Title: AIAA Paper Pages: 2010-1535
• [Journal Article] Stochastic nature of gravitational waves from supernova explosions with standing accretion shock instability (2009)
  • Author(s): K. Kotake, W. Iwakami, N. Ohnishi, S. Yamada
  • Journal Title: Astrophysical Journal Volume: 697巻
  • Peer Reviewed
• [Journal Article] Baroclinic vortex influence on wave drag reduction induced by pulse energy deposition (2009)
  • Author(s): Y. Ogino, N. Ohnishi, S. Taguchi, K. Sawada
  • Journal Title: Physics of Fluids Volume: 21巻
  • Peer Reviewed
• [Journal Article] Effects of rotation on standing accretion shock instability in nonlinear phase for core-collapse supernovae (2009)
  • Author(s): W. Iwakami, K. Kotake, N. Ohnishi, S. Yamada, K. Sawada
  • Journal Title: Astrophysical Journal Volume: 700巻 Pages: 232-242
  • Peer Reviewed
• [Journal Article] Ray-tracing analysis of anisotropic neutrino radiation for estimating gravitational waves in core-collapse supernovae (2009)
  • Author(s): K. Kotake, W. Iwakami, N. Ohnishi, S. Yamada
  • Journal Title: Astrophysical Journal Volume: 704巻 Pages: 951-963
  • Peer Reviewed
• [Journal Article] パルスレーザーを用いた衝撃波制御の熱化学非平衡流計算 (2009)
  • Author(s): 楯真沙美, 荻野要介, 大西直文
  • Journal Title: 第23回数値流体力学シンポジウム講演論文集
• [Journal Article] Stochastic nature of gravitational waves from supernova explosions with standing accretion shock instability (2009)
  • Author(s): K.Kotake, W.Iwakami, N.Ohnishi, S.Yamada
  • Journal Title: Astrophysical Journal 697
  • Peer Reviewed
• [Journal Article] Baroclinic vortex influence on wave drag reduction induced by pulse energy deposition (2009)
  • Author(s): Y.Ogino, N.Ohnishi, S.Taguchi, K.Sawada
  • Journal Title: Physics of Fluids 21
  • Peer Reviewed
• [Journal Article] Effects of rotation on standing accretion shock instability in nonlinear phase for core-collapse supernovae (2009)
  • Author(s): W.Iwakami, K.Kotake, N.Ohnishi, S.Yamada, K.Sawada
  • Journal Title: Astrophysical Journal 700 Pages: 232-242
  • Peer Reviewed
• [Journal Article] Ray-tracing analysis of anisotropic neutrino radiation for estimating gravitational waves in core-collapse supernovae (2009)
  • Author(s): K.Kotake, W.Iwakami, N.Ohnishi, S.Yamada
  • Journal Title: Astrophysical Journal 704 Pages: 951-963
  • Peer Reviewed
• [Journal Article] パルスレーザーを用いた衝撃波制御の熱化学非平衡流計算 (2009)
  • Author(s): 楯真沙美, 荻野要介, 大西直文
  • Journal Title: 第23回数値流体力学シンポジウム講演論文集 (CD-ROM)
• [Presentation] 弧状衝撃波不安定性の三次元数値流体解析 (2011)
  • Author(s): 佐藤陽介, 鈴木佑一郎, 保江かな子, 大西直文
  • Organizer: 平成22年度衝撃波シンポジウム
  • Place of Presentation: 青山学院大学
  • Year and Date: 2011-03-16
• [Presentation] 弧状衝撃波不安定性の三次元数値流体解析 (2011)
  • Author(s): 佐藤陽介, 鈴木佑一郎, 保江かな子, 大西直文
  • Organizer: 平成22年度衝撃波シンポジウム
  • Place of Presentation: 東京
  • Year and Date: 2011-03-16
• [Presentation] Trigger physics of gravitationally collapsing supernova explosion in three-dimension and its model experiments (2011)
  • Author(s): N. Ohnishi, et al.
  • Organizer: 3rd Japan-France Workshop and School on High Energy Density Science
  • Place of Presentation: Les Houches, フランス
  • Year and Date: 2011-01-10
• [Presentation] Trigger physics of gravitationally collapsing supernova explosion in three-dimension and its model experiments (2011)
  • Author(s): N.Ohnishi, et al
  • Organizer: 3^<rd> Japan-France Workshop and School on High Energy Density Science
  • Place of Presentation: Les Houches,フランス
  • Year and Date: 2011-01-10
• [Presentation] Computational study of stationary shock wave toward a laboratory experiment (2010)
  • Author(s): N. Ohnishi, et al.
  • Organizer: 52nd Annual Meeting of the APS Division of Plasma Physics
  • Place of Presentation: シカゴ, 米国
  • Year and Date: 2010-11-12
• [Presentation] Computational study of stationary shock wave toward a laboratory experiment (2010)
  • Author(s): N.Ohnishi, et al
  • Organizer: 52^<nd> Annual Meeting of the APS Division of Plasma Physics
  • Place of Presentation: シカゴ,米国
  • Year and Date: 2010-11-12
• [Presentation] Computational study of shock instability and its application (2010)
  • Author(s): N. Ohnishi, et al.
  • Organizer: China-Japan CUP Seminar on Laser Plasma Physics
  • Place of Presentation: 上海, 中国
  • Year and Date: 2010-10-16
• [Presentation] Computational study of shock instability and its application (2010)
  • Author(s): N.Ohnishi, et al
  • Organizer: China-Japan CUP Seminar on Laser Plasma Physics
  • Place of Presentation: 上海,中国
  • Year and Date: 2010-10-16
• [Presentation] Three-dimensional simulation of stationary shock wave instability (2010)
  • Author(s): N. Ohnishi, et al.
  • Organizer: ISWI 2010: The Shock and High Strain Rate Properties of Matter
  • Place of Presentation: ケンブリッジ, 英国
  • Year and Date: 2010-09-08
• [Presentation] Three-dimensional simulation of stationary shock wave instability (2010)
  • Author(s): N.Ohnishi, et al
  • Organizer: ISWI 2010 : The Shock and High Strain Rate Properties of Matter
  • Place of Presentation: ケンブリッジ,英国
  • Year and Date: 2010-09-08
• [Presentation] 弧状衝撃波不安定性の三次元数値流体解析 (2010)
  • Author(s): 鈴木佑一郎, 保江かな子, 大西直文
  • Organizer: 第42回流体力学講演会/航空宇宙シミュレーション技術シンポジウム
  • Place of Presentation: 米子コンベンションセンターBiG SHiP
  • Year and Date: 2010-06-25
• [Presentation] 弧状衝撃波不安定性の三次元数値流体解析 (2010)
  • Author(s): 鈴木佑一郎, 保江かな子, 大西直文
  • Organizer: 第42回流体力学講演会/航空宇宙シミュレーション技術シンポジウム
  • Place of Presentation: 米子
  • Year and Date: 2010-06-25
• [Presentation] Computational study of standing accretion shock instability in core-collapse supernovae (2010)
  • Author(s): N. Ohnishi, W. Iwakami Nakano, K. Kotake, Y. Suzuki, S. Yamada, H. Takabe
  • Organizer: 8th International Conference on High Energy Density Laboratory Astrophysics
  • Place of Presentation: Pasadena, 米国
• [Presentation] Thermochemical nonequilibrium flow computation of drag reduction by pulse laser (2010)
  • Author(s): M. Tate, Y. Ogino, N. Ohnishi
  • Organizer: 48th AIAA Aerospace Sciences Meeting Including the New Horizons Forum and Aerospace Explosion
  • Place of Presentation: Orlando, 米国
• [Presentation] Computational study of standing accretion shock instability in core-collapse supernovae (2010)
  • Author(s): N.Ohnishi, W.Iwakami Nakano, K.Kotake, Y.Suzuki, S.Yamada, H.Takabe
  • Organizer: 8^<th> International Conference on High Energy Density Laboratory Astrophysics
  • Place of Presentation: Pasadena, CA, USA
• [Presentation] パルスレーザーを用いた衝撃波制御の熱化学非平衡流計算 (2009)
  • Author(s): 楯真沙美, 荻野要介, 大西直文
  • Organizer: 第23回数値流体力学シンポジウム
  • Place of Presentation: 仙台市
• [Presentation] Radiation hydrodynamics of explosive phenomena in laboratory and astrophysics (2009)
  • Author(s): N. Ohnishi, Y. Ogino, M. Tate, W. Iwakami Nakano, K. Kotake, S. Yamada
  • Organizer: Japan-Korea CFD Workshop 2009
  • Place of Presentation: 仙台
• [Presentation] Computational study of shock wave control by pulse energy deposition (2009)
  • Author(s): N. Ohnishi, M. Tate, Y. Ogino
  • Organizer: 27th International Symposium on Shock Waves
  • Place of Presentation: St. Petersburg, ロシア
• [Presentation] Computational study of shock wave control by pulse energy deposition (2009)
  • Author(s): N.Ohnishi, M.Tate, Y.Ogino
  • Organizer: 27^<th> International Symposium on Shock Waves
  • Place of Presentation: St.Petersburg, Russia
• [Presentation] Radiation hydrodynamics of explosive phenomena in laboratory and astrophysics (2009)
  • Author(s): N.Ohnishi, Y.Ogino, M.Tate, W.Iwakami Nakano, K.Kotake, S.Yamada
  • Organizer: Japan-Korea CFD Workshop 2009
  • Place of Presentation: Sendai, Japan
• [Presentation] Thermochemical nonequilibrium flow computation of drag reduction by pulse laser (2009)
  • Author(s): 楯真沙美, 荻野要介, 大西直文
  • Organizer: 48^<th> AIAA Aerospace Sciences Meeting Including the New Horizons Forum and Aerospace Explosion
  • Place of Presentation: Orland, FL, USA
• [Remarks]
  • URL: http://www.rhd.mech.tohoku.ac.jp