Unified model of collective bio-motion and group formationas a phase transition

2008 Fiscal Year Self-evaluation Report

• Project/Area Number: 18540409
• Research Category: Grant-in-Aid for Scientific Research (C)
• Allocation Type: Single-year Grants
• Section: 一般
• Research Field: Biophysics/Chemical physics
• Research Institution: Meijo University (2007-2009); University of the Ryukyus (2006)
• Principal Investigator: NAKAYAMA Akihiro Meijo University, 理工学部, 教授 (60212106)
• Project Period (FY): 2006 – 2009
• Keywords: 集団運動 / 群れ形成 / 相転移 / 非線形動力学 / 力学模型

Research Abstract

(1) 1次元交通流の最適速度模型を基礎とした生物集団の運動の統一的な模型の構築
(2) 上記模型の安定性解析と数値計算による集団運動の性質の解析
(3) 上記模型の拡張の可能性の追求

Research Products

• [Journal Article] Instability of pedestrian flow in 2D optimal velocity model with attractive interaction (2008)
  • Author(s): A.Nakayama, K.Hasebe, Y.Sugiyama
  • Journal Title: Computer Physics Communications 177 Pages: 162-163
  • Peer Reviewed
• [Journal Article] Effect of attractive interaction on instability of pedestrian flow in two dimensional optimal velocity model (2008)
  • Author(s): A.Nakayama, K.Hasebe, Y.Sugiyama
  • Journal Title: Physical Review E77 Pages: 016105-1-9
  • Peer Reviewed
• [Journal Article] Traffic jams without bottlenecks-experimental evidence for the physical mechanism of the formation of a jam (2008)
  • Author(s): Y.Sugiyama, M.Fukui, M.Kikuchi, K.Hasebe, A.Nakayama, K.Nishinari, S.Tadaki, S.Yukawa
  • Journal Title: New Journal of Physics 10 Pages: 033001-1-7
  • Peer Reviewed
• [Presentation] Dynamical pattern formations of self-driven particles and group formation (2007)
  • Author(s): Y. Sugiyama, A. Nakayama
  • Organizer: Conference on Computational Physics 2007
  • Place of Presentation: Brussels, Belgium
  • Year and Date: 20070905-20070908
• [Presentation] Instability of pedestrian flow in 2D optimal velocity model with attractive interaction (2006)
  • Author(s): A. Nakayama, K. Hasebe, Y. Sugiyama
  • Organizer: Conference on Computational Physics 2006
  • Place of Presentation: Gyeongju, Republic of Korea
  • Year and Date: 20060829-20060901
• [Remarks] 論文(3)は国内外の新聞(例えば毎日新聞2008年5月2日東京夕刊)、Web(例えばScience 2008年3月28日)などで広く取り上げられた