Direct Numerical Simulations of Colloidal Dispersions under External Force(New Frontiers in Colloidal Physics : A Bridge between Micro- and Macroscopic Concepts in Soft Matter)

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概要

• 論文の詳細を見る

• コロイド分散系では,流体を介して粒子間に働く流体力学相互作用と流体の熱揺らぎを反映した粒子のブラウン運動との競合が重要な役割を果たすことが多い.最近我々が開発したコロイド分散系のためのシミュレーションコード[KAPSEL : http : //www-tph.cheme.kyoto-u.ac.jp/kapsel/]では,コロイド粒子の周りの流体の運動を直接数値計算で取り扱うための効率の良い方法を実装している.今回は,これまでの手法にさらに熱揺らぎを導入するための手法について解説する.この拡張により,各種コロイド分散系について流体力学相互作用と熱揺らぎの両者を正確に考慮した直接数値シミュレーションが実現可能となる.さらに本講演では,シア流や電場などの外力・外場の下にあるコロイド分散系について行った直接数値シミュレーションの結果を示す.

• 2007-10-20

著者

• Kim Kang

  Department Of Theoretical And Computational Molecular Science Institute For Molecular Science

• Yamamoto Ryoichi

  Department Of Chemical Engineering Kyoto University:crest Japan Sience And Technology Agency

• IWASHITA Takuya

  Department of Chemical Engineering, Kyoto University

• NAKAYAMA Yasuya

  Department of Chemical Engineering, Kyushu University

• Iwashita Takuya

  Department Of Chemical Engineering Kyoto University

• Nakayama Yasuya

  Department Of Chemical Engineering Kyushu University

• Nakayama Yasuya

  Department Of Applied Analysis And Complex Dynamical Systems Graduate School Of Informatics Kyoto Un

• Yamamoto Ryoichi

  Department Of Biology Faculty Of Science Osaka City University

• Kim Kang

  Department Of Computational Molecular Science Institute For Molecular Science

• Kim Kang

  Department of Applied Physics, Hanyang University, Sa-1 Dong, Ansan 426-791, Korea

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