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@ARTICLE{Tao:61756,
      author       = {Tao, Y.-G. and Götze, I.O. and Gompper, G.},
      title        = {{M}ultiparticle collision dynamics modeling of viscoelastic
                      fluids},
      journal      = {The journal of chemical physics},
      volume       = {128},
      issn         = {0021-9606},
      address      = {Melville, NY},
      publisher    = {American Institute of Physics},
      reportid     = {PreJuSER-61756},
      pages        = {144902-1 - 144902-12},
      year         = {2008},
      note         = {Record converted from VDB: 12.11.2012},
      abstract     = {In order to investigate the rheological properties of
                      viscoelastic fluids by mesoscopic hydrodynamics methods, we
                      develop a multiparticle collision (MPC) dynamics model for a
                      fluid of harmonic dumbbells. The algorithm consists of
                      alternating streaming and collision steps. The advantage of
                      the harmonic interactions is that the integration of the
                      equations of motion in the streaming step can be performed
                      analytically. Therefore, the algorithm is computationally as
                      efficient as the original MPC algorithm for Newtonian
                      fluids. The collision step is the same as in the original
                      MPC method. All particles are confined between two solid
                      walls moving oppositely, so that both steady and oscillatory
                      shear flows can be investigated. Attractive wall potentials
                      are applied to obtain a nearly uniform density everywhere in
                      the simulation box. We find that both in steady and
                      oscillatory shear flows, a boundary layer develops near the
                      wall, with a higher velocity gradient than in the bulk. The
                      thickness of this layer is proportional to the average
                      dumbbell size. We determine the zero-shear viscosities as a
                      function of the spring constant of the dumbbells and the
                      mean free path. For very high shear rates, a very weak
                      "shear thickening" behavior is observed. Moreover, storage
                      and loss moduli are calculated in oscillatory shear, which
                      show that the viscoelastic properties at low and moderate
                      frequencies are consistent with a Maxwell fluid behavior. We
                      compare our results with a kinetic theory of dumbbells in
                      solution, and generally find good agreement.},
      keywords     = {Colloids: chemistry / Computer Simulation / Elasticity /
                      Microfluidics: methods / Models, Chemical / Models,
                      Molecular / Molecular Conformation / Shear Strength /
                      Viscosity / Colloids (NLM Chemicals) / J (WoSType)},
      cin          = {IFF-2 / JARA-SIM},
      ddc          = {540},
      cid          = {I:(DE-Juel1)VDB782 / I:(DE-Juel1)VDB1045},
      pnm          = {Kondensierte Materie},
      pid          = {G:(DE-Juel1)FUEK414},
      shelfmark    = {Physics, Atomic, Molecular $\&$ Chemical},
      typ          = {PUB:(DE-HGF)16},
      pubmed       = {pmid:18412477},
      UT           = {WOS:000255470300061},
      doi          = {10.1063/1.2850082},
      url          = {https://juser.fz-juelich.de/record/61756},
}