Volume 70, Number 4, May 2005
|Page(s)||464 - 470|
|Section||Atomic and molecular physics|
|Published online||15 April 2005|
Polymers in linear shear flow: A numerical study
Institut Non Linéaire de Nice - UMR 6618 CNRS 1361 route des Lucioles, 06560 Valbonne, France
2 CNLS, Theoretical Division, Los Alamos National Laboratory Los Alamos, NM 87545, USA
3 Landau Institute for Theoretical Physics - Kosygina 2, Moscow 119334, Russia
Accepted: 22 March 2005
We study the dynamics of a single polymer subject to thermal fluctuations in a linear shear flow. The polymer is modeled as a finitely extendable nonlinear elastic (FENE) dumbbell. Both orientation and elongation dynamics are investigated numerically as a function of the shear strength, by means of a new efficient integration algorithm. The results are in agreement with recent experiments.
PACS: 36.20.-r – Macromolecules and polymer molecules / 47.55.Kf – Multiphase and particle-laden flows / 82.35.Lr – Physical properties of polymers
© EDP Sciences, 2005
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