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@ARTICLE{Ripoll:58131,
author = {Ripoll, M. and Winkler, R. G. and Gompper, G.},
title = {{H}ydrodynamic screening of star polymers in shear flow},
journal = {The European physical journal / E},
volume = {23},
issn = {1292-8941},
address = {Berlin},
publisher = {Springer},
reportid = {PreJuSER-58131},
pages = {349 - 354},
year = {2007},
note = {Record converted from VDB: 12.11.2012},
abstract = {The mutual effects of the conformations of a star polymer
in simple shear flow and the deformation of the solvent flow
field are investigated by a hybrid mesoscale simulation
technique. We characterize the flow field near the star
polymer as a function of its functionality (arm number) f .
A strong screening of the imposed flow is found inside the
star polymer, which increases with increasing f . To
elucidate the importance of hydrodynamic screening, we
compare results for hydrodynamic and random solvents. The
dependence of the polymer orientation angle on the
Weissenberg number shows a power law behavior with
super-universal exponent --independent of hydrodynamic and
excluded-volume interactions. In contrast, the polymer
rotation frequency changes qualitatively when hydrodynamic
interactions are switched on.},
keywords = {Computer Simulation / Diffusion / Elasticity /
Microfluidics / Molecular Conformation / Movement / Physics:
methods / Polymers: chemistry / Shear Strength / Software /
Solvents: chemistry / Stress, Mechanical / Viscosity /
Polymers (NLM Chemicals) / Solvents (NLM Chemicals) / J
(WoSType)},
cin = {IFF-2 / JARA-SIM},
ddc = {530},
cid = {I:(DE-Juel1)VDB782 / I:(DE-Juel1)VDB1045},
pnm = {Kondensierte Materie},
pid = {G:(DE-Juel1)FUEK414},
shelfmark = {Chemistry, Physical / Materials Science, Multidisciplinary
/ Physics, Applied / Polymer Science},
typ = {PUB:(DE-HGF)16},
pubmed = {pmid:17712520},
UT = {WOS:000249461500002},
doi = {10.1140/epje/i2006-10220-0},
url = {https://juser.fz-juelich.de/record/58131},
}