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001     23194
005     20240610115937.0
024 7 _ |2 DOI
|a 10.1039/C2SM26107C
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037 _ _ |a PreJuSER-23194
041 _ _ |a eng
082 _ _ |a 530
084 _ _ |2 WoS
|a Chemistry, Physical
084 _ _ |2 WoS
|a Materials Science, Multidisciplinary
084 _ _ |2 WoS
|a Physics, Multidisciplinary
084 _ _ |2 WoS
|a Polymer Science
100 1 _ |0 P:(DE-Juel1)VDB75398
|a Belushkin, M.
|b 0
|u FZJ
245 _ _ |a Role of fluid-density correlations in hydrodynamics: a multiparticle collision dynamics simulation study
260 _ _ |a Cambridge
|b Royal Society of Chemistry (RSC)
|c 2012
300 _ _ |a 9886 - 9891
336 7 _ |a Journal Article
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336 7 _ |a article
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440 _ 0 |0 16881
|a Soft Matter
|v 8
|x 1744-683X
|y 38
500 _ _ |a MB and GF acknowledge the financial support by the Swiss National Science Foundation (grant no. PP0022_119006).
520 _ _ |a Hydrodynamic interactions play a pivotal role in the dynamical behaviour of mesoscale systems such as colloidal suspensions, yet isolating their contribution from other effects remains a key challenge. Hydrodynamic correlations within a fluid are a consequence of local momentum conservation. Hence, as is commonly believed, violation of local momentum conservation should lead to non-hydrodynamic behaviour, where long-range correlations in the fluid are absent. Here, we demonstrate that generally this is a necessary but not sufficient criterion to achieve non-hydrodynamic behaviour. The motion of a massive particle leads to density modulations within the fluid. When the mechanisms underlying the relaxation processes of such modulations are removed, the dynamical behaviour of the system becomes unphysical. We show how the density relaxation mechanisms can be reintroduced in multiparticle collision dynamics (MPC) simulations, providing a consistent description of a system without hydrodynamic interactions.
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|a Winkler, R.G.
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|a Foffi, G.
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|g Vol. 8, p. 9886 - 9891
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|t Soft matter
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|x 1744-683X
|y 2012
856 7 _ |u http://dx.doi.org/10.1039/C2SM26107C
856 4 _ |u https://juser.fz-juelich.de/record/23194/files/FZJ-23194.pdf
|y Published under German "Allianz" Licensing conditions on 2012-08-14. Available in OpenAccess from 2013-08-14
|z Published final document.
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