Dense colloidal suspensions under time-dependent shear

Kurzanzeige
dc.contributor.authorBrader, Joseph M.
dc.contributor.authorVoigtmann, Thomas
dc.contributor.authorCates, Michael E.deu
dc.contributor.authorFuchs, Matthias
dc.date.accessioned2011-03-24T17:53:14Zdeu
dc.date.available2011-03-24T17:53:14Zdeu
dc.date.issued2007deu
dc.description.abstractWe consider the nonlinear rheology of dense colloidal suspensions under a time-dependent simple shear flow. Starting from the Smoluchowski equation for interacting Brownian particles advected by shearing (ignoring fluctuations in fluid velocity), we develop a formalism which enables the calculation of timedependent, far-from-equilibrium averages. Taking shear stress as an example, we derive exactly a generalized Green-Kubo relation and an equation of motion for the transient density correlator, involving a three-time memory function. Mode coupling approximations give a closed constitutive equation yielding the time-dependent stress for arbitrary shear rate history. We solve this equation numerically for the special case of a hard sphere glass subject to step strain.eng
dc.description.versionpublished
dc.format.mimetypeapplication/pdfdeu
dc.identifier.citationFirst publ. in: Physical Review Letters ; 98 (2007). - 058301deu
dc.identifier.doi10.1103/PhysRevLett.98.058301
dc.identifier.ppn272323977deu
dc.identifier.urihttp://kops.uni-konstanz.de/handle/123456789/9060
dc.language.isoengdeu
dc.legacy.dateIssued2007deu
dc.rightsAttribution-NonCommercial-NoDerivs 2.0 Generic
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/2.0/
dc.subject.ddc530deu
dc.subject.pacs82.70.Dddeu
dc.subject.pacs83.10.Grdeu
dc.subject.pacs64.70.Pfdeu
dc.subject.pacs83.60.Dfdeu
dc.titleDense colloidal suspensions under time-dependent sheareng
dc.typeJOURNAL_ARTICLEdeu
dspace.entity.typePublication
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@article{Brader2007Dense-9060,
  year={2007},
  doi={10.1103/PhysRevLett.98.058301},
  title={Dense colloidal suspensions under time-dependent shear},
  volume={98},
  journal={Physical Review Letters},
  author={Brader, Joseph M. and Voigtmann, Thomas and Cates, Michael E. and Fuchs, Matthias},
  note={Article Number: 58301}
}
kops.citation.iso690BRADER, Joseph M., Thomas VOIGTMANN, Michael E. CATES, Matthias FUCHS, 2007. Dense colloidal suspensions under time-dependent shear. In: Physical Review Letters. 2007, 98, 58301. Available under: doi: 10.1103/PhysRevLett.98.058301deu
kops.citation.iso690BRADER, Joseph M., Thomas VOIGTMANN, Michael E. CATES, Matthias FUCHS, 2007. Dense colloidal suspensions under time-dependent shear. In: Physical Review Letters. 2007, 98, 58301. Available under: doi: 10.1103/PhysRevLett.98.058301eng
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