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@ARTICLE{Mo:903714,
      author       = {Mo, Chaojie and Fedosov, Dmitry A.},
      title        = {{C}ompeting effects of inertia, sheet elasticity, fluid
                      compressibility, and viscoelasticity on the synchronization
                      of two actuated sheets},
      journal      = {Physics of fluids},
      volume       = {33},
      number       = {4},
      issn         = {1070-6631},
      address      = {[S.l.]},
      publisher    = {American Institute of Physics},
      reportid     = {FZJ-2021-05354},
      pages        = {043109},
      year         = {2021},
      abstract     = {Synchronization of two actuated sheets serves as a simple
                      model for the interaction between flagellated microswimmers.
                      Various factors, including inertia, sheet elasticity, and
                      fluid viscoelasticity, have been suggested to facilitate the
                      synchronization of two sheets; however, the importance of
                      different contributions to this process still remains
                      unclear. We perform a systematic investigation of competing
                      effects of inertia, sheet elasticity, fluid compressibility,
                      and viscoelasticity on the synchronization of two sheets.
                      Characteristic time 𝜏s for the synchronization caused by
                      inertial effects is inversely proportional to sheet Reynolds
                      number Re, such that 𝜏s𝜔∝Re−1 with ω being the
                      wave frequency. Synchronization toward stable in-phase or
                      opposite-phase configuration of two sheets is determined by
                      the competition of inertial effects, sheet elasticity, fluid
                      compressibility, and viscoelasticity. Interestingly, fluid
                      viscoelasticity results in strong synchronization forces for
                      large beating amplitudes and Deborah numbers De > 1,
                      which dominates over other factors and favors the in-phase
                      configuration. Therefore, our results show that fluid
                      viscoelasticity can dramatically enhance synchronization of
                      microswimmers. Our investigation deciphers the importance of
                      different competing effects for the synchronization of two
                      actuated sheets, leading to a better understanding of
                      interactions between microswimmers and their collective
                      behavior.},
      cin          = {IBI-5},
      ddc          = {530},
      cid          = {I:(DE-Juel1)IBI-5-20200312},
      pnm          = {5241 - Molecular Information Processing in Cellular Systems
                      (POF4-524)},
      pid          = {G:(DE-HGF)POF4-5241},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000642185700001},
      doi          = {10.1063/5.0049099},
      url          = {https://juser.fz-juelich.de/record/903714},
}