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Modeling a tethered polymer in Poiseuille flow

Abstract:

We investigate the behavior of a tethered polymer in Poiseuille flow using a multiscale algorithm. The polymer, treated using molecular dynamics, is coupled to a solvent modeled by the stochastic rotation algorithm, a particle-based Navier-Stokes integrator. The expected series of morphological transitions of the polymer: sphere to distorted sphere to trumpet to stem and flower to rod are recovered, and we discuss how the polymer extension depends on the flow velocity. Backflow effects cause ...

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Publisher copy:
10.1063/1.1884105

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Institution:
University of Oxford
Division:
MPLS
Department:
Physics
Sub department:
Theoretical Physics
Role:
Author
Journal:
Journal of Chemical Physics More from this journal
Volume:
122
Issue:
16
Publication date:
2005-04-22
DOI:
ISSN:
0021-9606
Language:
English
Pubs id:
pubs:284672
UUID:
uuid:0b06b6f3-1320-4d5a-bb63-d97aea7b92c7
Local pid:
pubs:284672
Source identifiers:
284672
Deposit date:
2013-11-17

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