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Dynamics of largely deformed fluid with moving boundary

Research Project

Project/Area Number 18540364
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeSingle-year Grants
Section一般
Research Field Mathematical physics/Fundamental condensed matter physics
Research InstitutionTohoku University

Principal Investigator

HAYAKAWA Yoshinori  Tohoku University, 大学院・理学研究科, 准教授 (20218556)

Project Period (FY) 2006 – 2008
Project Status Completed (Fiscal Year 2008)
Budget Amount *help
¥4,020,000 (Direct Cost: ¥3,300,000、Indirect Cost: ¥720,000)
Fiscal Year 2008: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Fiscal Year 2007: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Fiscal Year 2006: ¥900,000 (Direct Cost: ¥900,000)
Keywords粘性流体 / 大変形 / 座屈 / コイル化 / 移動境界 / 流体力学 / 流体ロープ / 不安定性 / 自由境界 / ラグランジェ描像 / 不安定 / 粒子法
Research Abstract

蜂蜜をトーストに垂らした際などに見られる、境界が大きく変形することのできる流体が呈する折りたたみやコイル化の現象は、従来、定量的な取り扱いが困難であった。本研究では、粒子法と呼ばれる新しい数値計算手法をこの問題に適用するとともに、流体ロープの挙動を仮想的な紐の運動として記述する新しいモデルを提案し、コイル化条件など、実験的に知られている結果を再現することに成功した。

Report

(4 results)
  • 2008 Annual Research Report   Final Research Report ( PDF )
  • 2007 Annual Research Report
  • 2006 Annual Research Report
  • Research Products

    (16 results)

All 2008 2007 2006 Other

All Journal Article (8 results) (of which Peer Reviewed: 7 results) Presentation (4 results) Book (1 results) Remarks (3 results)

  • [Journal Article] Bending-filament model for the buckling and coiling instability of viscous fluid rope2008

    • Author(s)
      Shin-ichiro Nagahiro, and Yoshinori Hayakawa
    • Journal Title

      Physical Review E 78, 025302(R)

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Adaptation-induced collective dynamics of a single-cell protozoan2008

    • Author(s)
      Maiko Ogata, Tsuyoshi Hondou, Yoshinori Hayakawa, Yoshikatsu Hayashi, and Ken Sugawara
    • Journal Title

      Physical Review E 77, 011917

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Bending-filament model for the buckling and coiling instability of a viscous fluid rope2008

    • Author(s)
      Shin-ichiro Nagahiro
    • Journal Title

      Physical Review E 78

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Coevolutionary networks with homophily and heterophily2008

    • Author(s)
      Daichi Kimura
    • Journal Title

      Physical Review E 78

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Adaptation-induced collective dynamics of a single-cell protozoan2008

    • Author(s)
      M. Ogata, T. Hondou, and Y. Hayakawa, Y. Hayashi, and K. Sugawara
    • Journal Title

      Physical Review E 77

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Reinforcement learning of recurrent neural network for temporal coding2008

    • Author(s)
      D. Khnura and Y. Hayakawa
    • Journal Title

      Neurocomputing (印刷中)

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Shape Selection of Kompeitoh2006

    • Author(s)
      Isamu Sakai, and Yoshinori Hayakawa
    • Journal Title

      Journal of Physical Society of Japan 75, 104802

    • NAID

      110004821531

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Shape Selection of Kompeitoh2006

    • Author(s)
      Isamu Sakai, Yoshinori Hayakawa
    • Journal Title

      J.Phys.Soc.Jpn. 75

      Pages: 104802-104802

    • NAID

      110004821531

    • Related Report
      2006 Annual Research Report
  • [Presentation] Fluid Rope の Meandering と座屈不安定性2008

    • Author(s)
      永弘進一郎, 早川美徳
    • Organizer
      日本物理学会秋季大会
    • Place of Presentation
      岩手大学
    • Year and Date
      2008-09-20
    • Related Report
      2008 Final Research Report
  • [Presentation] Fluid RopeのMeanderingと座屈不安定性2008

    • Author(s)
      永弘進一郎
    • Organizer
      日本物理学会秋季大会
    • Place of Presentation
      岩手大学
    • Year and Date
      2008-09-20
    • Related Report
      2008 Annual Research Report
  • [Presentation] 平板に衝突するLiquid Ropeの座屈と安定性2007

    • Author(s)
      永弘進一郎, 早川美徳
    • Organizer
      日本物理学会秋季大会
    • Place of Presentation
      北海道大学
    • Year and Date
      2007-09-21
    • Related Report
      2008 Final Research Report
  • [Presentation] 平板に衝突するLiquid Ropeの座屈2007

    • Author(s)
      永弘進一郎・早川美徳
    • Organizer
      日本物理学会
    • Place of Presentation
      北海道大学・札幌キャンパス
    • Year and Date
      2007-09-21
    • Related Report
      2007 Annual Research Report
  • [Book] Human-Robot Interaction (Chap. 20 : Collective Motion of Multi-Robot System based on Simple Dynamics, pp. 357-368を担当)2007

    • Author(s)
      K. Sugawara, Y. Hayakawa, T. Mizuguchi, and M. Sano
    • Total Pages
      522
    • Publisher
      I-Tech Education and Publishing
    • Related Report
      2008 Final Research Report
  • [Remarks]

    • URL

      http://seaotter.phys.tohoku.ac.jp

    • Related Report
      2008 Final Research Report
  • [Remarks] 早川美徳, 酒井勇, 『金平糖の成長プロセスと形の選択』, 固体物理 42, pp.305-312(アグネ技術センター, 2007)

    • Related Report
      2008 Final Research Report
  • [Remarks]

    • URL

      http://seaotter.phys.tohoku.ac.jp/lab/

    • Related Report
      2007 Annual Research Report

URL: 

Published: 2006-04-01   Modified: 2016-04-21  

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