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Simulation study of self-organization in plasma

Research Project

Project/Area Number 06044238
Research Category

Grant-in-Aid for international Scientific Research

Allocation TypeSingle-year Grants
SectionJoint Research
Research InstitutionNational Institute for Fusion Science

Principal Investigator

SATO Tetsuya  National Institute for Fusion Science, Theory and Computer Simulation Center, 理論・シミュレーション研究センター, センター長教授 (80025395)

Co-Investigator(Kenkyū-buntansha) WEISS N.O.  Cambridge University, Department of Applied Mathematics, 応用数学科, 教授
BRACKBILL J.U.  Los Alamos National Institute, 主任研究員
SINDONI E.  Milano University, 物理学科, 教授
TROYON F.  Lausanne Plasma Physics Research Center, 所長
YONEZAWA Fumiko  Keio University, Faculty of Science and Technology, 理工学部, 教授 (10027344)
KADOMTSEV B.B.  Russian Science Center, 核融合研究所, 所長教授
MIURA Hideaki  National Institute for Fusion Science, Theory and Computer Simulation Center, シミュレーション研究センター, 助手 (40280599)
UCHIDA Yutaka  Science University of Tokyo, Physics Department, 物理学科, 教授 (90012814)
BHATTACHARJEE A.  University of Iowa, Department of Geophysics, 地球物理学科, 教授
GARDNER H.J.  Australia National University, 国家特別研究員
FIJIWARA Susumu  National Institute for Fusion Science, Theory and Computer Simulation Center, シミュレーション研究センター, 助手 (30280598)
TAKAMARU Hisanori  National Institute for Fusion Science, Theory and Computer Simulation Center, シミュレーション研究センター, 助手 (20241234)
WATANABE Tomohiko  National Institute for Fusion Science, Theory and Computer Simulation Center, シミュレーション研究センター, 助手 (30260053)
KAGEYAMA Akira  National Institute for Fusion Science, Theory and Computer Simulation Center, シミュレーション研究センター, 助手 (20260052)
TODO Yasushi  National Institute for Fusion Science, Theory and Computer Simulation Center, シミュレーション研究センター, 助手 (00249971)
HORIUCHI Ritoku  National Institute for Fusion Science, Theory and Computer Simulation Center, シミュレーション研究センター, 助教授 (00229220)
WATANABE Kunihiko  National Institute for Fusion Science, Theory and Computer Simulation Center, シミュレーション研究センター, 助教授 (40220876)
HAYASHI Takaya  National Institute for Fusion Science, Theory and Computer Simulation Center, シミュレーション研究センター, 教授 (60156445)
KIDA Shigeo  National Institute for Fusion Science, Theory and Computer Simulation Center, シミュレーション研究センター, 教授 (70093234)
BAZDENKOV Sergey  National Institute for Fusion Science, Theory and Computer Simulation Center Pro, シミュレーション研究センター, 教授 (90270488)
KRAMER G.  Santa Fe Institute, 研究主幹
BHATTACHARJE エイ  アイオア大学, 地球物理学科, 教授
GARDNER H.J.  オーストラリア国立大学, 国家特別研究員
WEISS N.O.  ケンブリッジ大学, 応用数学科, 教授
BRACKBILL J.  ロスアラモス国立研究所, 主任研究員
SINDONI E.  ミラノ大学, 物理学科, 教授
TROYON F.  ローザンヌプラズマ物理研究所, 所長
KODOMTSEV B.  ロシア科学センター, 核融合研究所, 所長教授
Project Period (FY) 1994 – 1995
Project Status Completed (Fiscal Year 1995)
Budget Amount *help
¥7,000,000 (Direct Cost: ¥7,000,000)
Fiscal Year 1995: ¥3,300,000 (Direct Cost: ¥3,300,000)
Fiscal Year 1994: ¥3,700,000 (Direct Cost: ¥3,700,000)
Keywordsself-organization / structure formation / simulation / plasma / MHD-scale / particle-scale / magnetic reconnection / topology change
Research Abstract

We have investigated the detail of "Self-organization" phenomena in various spatial scale in collaboration with the people in U.S., Europe and Australia.The followings are some of the successful results we got in this research project.1) We have developed a new simulation code in order to reveal the dynamo mechanism in MHD plasma.We found that the convection motion of the rotating plasma makes a cell structure and forms a dipole magnetic field through the transformation of the kinetic energy to the magnetic energy.It should be emphasized that the magnetic reconnection plays an important role in the formation of the dipole magnetic field structure.2) We have studied the structure of the finite beta plasma in the helical system and found the following interesting and important self-organization process.Even if the helical plasma is initially unstable and the structure is destroyed due to the pressure driven instability, the ordered structure is formed again through the nonlinear interact … More ion.It should be noticed that when the structure is formed, the entropy, i.e., thermal energy is generally produced.In this case, the thermal energy is the cause of the structure instability, and simultaneously it resulted in the ordered structure.3) We have developed a quite new particle simulation code for an open boundary system.We found the "Super" ion-Acoustic double layr whose amplitude is more than 20 times larger than the regular one.In this study, it can be pointed out that the entropy production rate becomes highest when the structure is made up, and the entropy expulsion mechanism plays an important role in the maintenance of the ordered structure.4) We alomost made up a general scenario of the self-organization process for MHD plasmas.One of the conclusion of this scenario is that the structure formation occurs intermittently and shows the recurrence depending on the way of energy input to the system.
Besides above results, we have studied various self-organization processes such as the structure formation in a dusty plasma, or the crystallization of polymer in the liquid.Now, we continue this investigation aiming the construction of the general theory of "Self-organization". Less

Report

(2 results)
  • 1995 Final Research Report Summary
  • 1994 Annual Research Report
  • Research Products

    (35 results)

All Other

All Publications (35 results)

  • [Publications] Tetsuya Sato: "Complexity in Plasma : from Self-Organization to Geodynamo" Physics of Plasmas. (印刷中). (1996)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1995 Final Research Report Summary
  • [Publications] Tomohiko Watanabe: "MHD Simulation of Coalescence Process of Spheromaks" J.Plasma Fusion Res.(印刷中). (1996)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1995 Final Research Report Summary
  • [Publications] etsuya Sato: "Kinetic Self-Organization : Creation of Super Ion Acoustic Double Layer" Physics of Plasmas. 2. 3609-3613 (1995)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1995 Final Research Report Summary
  • [Publications] Shao-ping Zhu: "Non-Taylor Magnetohydrodynamic Self-Organization" Physical Review E. 51. 6047-6054 (1995)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1995 Final Research Report Summary
  • [Publications] 佐藤哲也: "プラズマからみた複雑性の科学" 日本物理学会誌. 50. 340-347 (1995)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1995 Final Research Report Summary
  • [Publications] Akira Kageyama: "Computer Simulation of a Magnetohydrodynamic Dynamo II" Physics of Plasmas. 2. 1421-1431 (1995)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1995 Final Research Report Summary
  • [Publications] Hiroshi Amo: "Intermittent Energy Bursts and Recurrent Topological Change of a Twisting magnetic Flux Tube" Physical Review E. 51. 3838-3841 (1995)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1995 Final Research Report Summary
  • [Publications] Amitava Bhattacharjee: "Theory of Pressure-induced Islands and Self-healing in Therr-dimecsional Toroidal Magneto-hydrodynamic Equilibria" Physics of Plasmas. 2. 883-888 (1995)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1995 Final Research Report Summary
  • [Publications] Kunihiko Watanabe: "Current Profile Flattening and Hot Core Shift due to Non-linear Development of Resistive Kink Mode" Nuclear Fusion. 35. 251-259 (1995)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1995 Final Research Report Summary
  • [Publications] Takaya Hayashi: "Evolution of Magnetic Islands in a Heliac" Physics of Plasmas. 2. 752-759 (1995)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1995 Final Research Report Summary
  • [Publications] Ramireddygari V.Reddy: "Impulsive Alfven Coupling between the Fully-ionized Plasma and Weakly-inoized Plasma" Journal of the Physical Society Japan. 64. 124-135 (1995)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1995 Final Research Report Summary
  • [Publications] Ritoku Horiuchi: "Particle Simulation Study of Driven Magnetic Reconnection in a Collisionless Plasma" Physics of Plasmas. 1. 3587-3597 (1994)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1995 Final Research Report Summary
  • [Publications] Tetsuya Sato et al.: "Complexity in Plasma : from Self-Organization to Geodynamo" Physics of Plasmas. (in print). (1996)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1995 Final Research Report Summary
  • [Publications] Tomohiko Watanabe et al.: "MHD Simulation of Coalescence Process of Spheromaks" Journal of Plasma Fusion Research. (in print). (1996)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1995 Final Research Report Summary
  • [Publications] Tetsuya Sato et al.: "Kinetic Self-Organization : Creation of Super Ion Acoustic Double Layr" Physics of Plasmas. 2. 3609-3613 (1995)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1995 Final Research Report Summary
  • [Publications] Shao-ping Zhu et al.: "Non-Taylor Magnetohydrodynamic Self-Organization" Physical Review E. 51. 6047-6054 (1995)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1995 Final Research Report Summary
  • [Publications] Tetsuya Sato: "Science of Complexity in Plasmas" Butsuri Gakkai-shi (in Japanese). 50. 340-347 (1995)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1995 Final Research Report Summary
  • [Publications] Akira Kageyama et al.: "Computer Simulation of a Magnetohydrodynamic Dynamo II" Physics of Plasmas. 2. 1421-1431 (1995)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1995 Final Research Report Summary
  • [Publications] Hiroyoshi Amo et al.: "Intermittent Energy Bursts and Recurrent Topological Change of a Twisting Magnetic Flux Tube" Physical Review E. 51. 3838-3841 (1995)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1995 Final Research Report Summary
  • [Publications] Amitava Bhattacharjee et al.: "Theory of pressure-induced islands and self-healing in three-dimensional toroidal magnetohydrodynamic equilibria" Physics of Plasmas. 2. 883-888 (1995)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1995 Final Research Report Summary
  • [Publications] Kunihiko Watanabe et al.: "Current Profile Flattening and Hot Core Shift due to Non-Linear Development of Resistive Kink Mode" Nuclear Fusion. 35. 251-259 (1995)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1995 Final Research Report Summary
  • [Publications] Takaya Hayashi et al.: "Evolution of magnetic islands in a Heliac" Physics of Plasmas. 2. 752-759 (1995)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1995 Final Research Report Summary
  • [Publications] Ramireddygari V.Reddy et al.: "Impulsive Alfven Coupling between the Fully-Ionized Plasma and the Weakly-Ionized Plasma" Journal ot the Physical Society of Japan. 64. 124-135 (1995)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1995 Final Research Report Summary
  • [Publications] Ritoku Horiuchi et al.: "Particle Simulation Study of Driven Magnetic Reconnection in a Collisionless Plasma" Physics of Plasmas. 1. 3587-3597 (1994)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1995 Final Research Report Summary
  • [Publications] T.Hayashi: "Formation and self-healing of islands in finite-β Helias equilibria" Physics of plasmas. 1. 3262-3268 (1994)

    • Related Report
      1994 Annual Research Report
  • [Publications] R.Horiuchi: "Particle Simlation Study of Driven Magnetic Reconnection in a Collisionless Plasma" Physics of plasmas. 1. 3587-3597 (1994)

    • Related Report
      1994 Annual Research Report
  • [Publications] Y.Kondo: "Derivations and Comparisons of Three Groups of Self-Organization Theories for Magnetohydrodyamic Plasmas" Journal of The Physical Society of Japan. 63. 1365-1377 (1994)

    • Related Report
      1994 Annual Research Report
  • [Publications] T.Hayashi: "Evolution of magnetic islands in a Heliac" Physics of plasmas. 2. 752-759 (1995)

    • Related Report
      1994 Annual Research Report
  • [Publications] A.Bhattacharjee: "Theory of pressure-induced islands and and self-healing in three-dimensional toroidal magnetohydrodynamic equilibria" Physics of plasmas. 2. 883-888 (1995)

    • Related Report
      1994 Annual Research Report
  • [Publications] T.Hayashi: "Behavior of magnetic islands in 3D MHD equilibria of helical devices" Plsamas Physics and Controlled Fusion. (1995)

    • Related Report
      1994 Annual Research Report
  • [Publications] K.Watanabe: "Current-profile flattening and hot core shift due to the nonlinear develpoment of resistive kink mode" Nuculear Fusion. 35. (1995)

    • Related Report
      1994 Annual Research Report
  • [Publications] H.Amo: "Intermittent energy bursts and recurrent topological change of a twisted magnetic flux tube" Physical Review E. 51. (1995)

    • Related Report
      1994 Annual Research Report
  • [Publications] A.Kageyama: "Computer simulation of a magnetohydrodynamic dynamo II" Physics of Plasmas. 2. (1995)

    • Related Report
      1994 Annual Research Report
  • [Publications] R.V.Reddy: "Impulsive Alfven Coupling between the Fully-Ionized Plasma and the Weakly-Ionized Plsma" Journal of The Physical Society of Japan. 64. 124-135 (1995)

    • Related Report
      1994 Annual Research Report
  • [Publications] 佐藤哲也: "プラズマからみた複雑性の科学" 日本物理学会誌. 50. (1995)

    • Related Report
      1994 Annual Research Report

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Published: 1994-04-01   Modified: 2021-04-07  

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