Finite-Size Scaling for Nonlinear Rheology of Fluids Confined in a Periodic Box(General)

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概要

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• We perform an extensive molecular dynamics simulation in order to elucidate the rheological properties of fluids confined in a small periodic box. We find that the shear viscosity η decreases as γ^^・^<-2/3> with the shear rate γ^^・ when the system size L is relatively small, while η is independent of γ^^・ when the system size is sufficiently large. By performing a systematic finite-size scaling analysis, we demonstrate that this system size dependence can be observed when the system size becomes comparable to the length scale that characterizes the cooperative motion of particles.

• 社団法人日本物理学会の論文
• 2008-05-15

著者

• OTSUKI Michio

  Yukawa Institute for Theoretical Physics, Kyoto University

• Otsuki Michio

  Yukawa Institute For Theoretical Physics Kyoto University

関連論文

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• Are There Long-Time Tails in Granular Flows?(The 50th Anniversary of the Alder Transition -Recent Progress on Computational Statistical Physics-)
• Mode-Coupling Theory of Sheared Dense Granular Liquids(Condensed Matter and Statistical Physics)
• Finite-Size Scaling for Nonlinear Rheology of Fluids Confined in a Periodic Box(General)

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