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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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Publication status:
Published

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Publisher copy:
10.1063/1.1884105

Authors


Webster, MA More by this author
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Institution:
University of Oxford
Department:
Oxford, MPLS, Physics, Theoretical Physics
Journal:
The Journal of chemical physics
Volume:
122
Issue:
16
Pages:
164903
Publication date:
2005-04-05
DOI:
EISSN:
1089-7690
ISSN:
0021-9606
URN:
uuid:5e7a0d84-71a8-4198-9040-c2566208833e
Source identifiers:
17516
Local pid:
pubs:17516

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