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@ARTICLE{Lamura:862433,
      author       = {Lamura, Antonio and Winkler, Roland G.},
      title        = {{T}ethered {S}emiflexible {P}olymer under {L}arge
                      {A}mplitude {O}scillatory {S}hear},
      journal      = {Polymers},
      volume       = {11},
      number       = {4},
      issn         = {2073-4360},
      address      = {Basel},
      publisher    = {MDPI},
      reportid     = {FZJ-2019-02749},
      pages        = {737},
      year         = {2019},
      abstract     = {The properties of a semiflexible polymer with fixed ends
                      exposed to oscillatory shear flow are investigated by
                      simulations. The two-dimensionally confined polymer is
                      modeled as a linear bead-spring chain, and the interaction
                      with the fluid is described by the Brownian multiparticle
                      collision dynamics approach. For small shear rates, the
                      tethering of the ends leads to a more-or-less linear
                      oscillatory response. However, at high shear rates, we found
                      a strongly nonlinear reaction, with a polymer (partially)
                      wrapped around the fixation points. This leads to an overall
                      shrinkage of the polymer. Dynamically, the location
                      probability of the polymer center-of-mass position is
                      largest on a spatial curve resembling a limaçon, although
                      with an inhomogeneous distribution. We found shear-induced
                      modifications of the normal-mode correlation functions, with
                      a frequency doubling at high shear rates. Interestingly, an
                      even-odd asymmetry for the Cartesian components of the
                      correlation functions appears, with rather similar spectra
                      for odd x- and even y-modes and vice versa. Overall, our
                      simulations yielded an intriguing nonlinear behavior of
                      tethered semiflexible polymers under oscillatory shear flow},
      cin          = {IAS-2},
      ddc          = {540},
      cid          = {I:(DE-Juel1)IAS-2-20090406},
      pnm          = {553 - Physical Basis of Diseases (POF3-553)},
      pid          = {G:(DE-HGF)POF3-553},
      typ          = {PUB:(DE-HGF)16},
      pubmed       = {pmid:31018564},
      UT           = {WOS:000467312900166},
      doi          = {10.3390/polym11040737},
      url          = {https://juser.fz-juelich.de/record/862433},
}