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@INPROCEEDINGS{Seike:866747,
      author       = {Seike, Yusuke and Obi, Shinnosuke and Lintermann, Andreas},
      title        = {{LES} {A}nalysis of {H}orse-shoe {V}ortex around the {B}ase
                      of a {C}ircular {C}ylinder by {M}eans of a {L}attice
                      {B}oltzmann {M}ethod},
      reportid     = {FZJ-2019-05816},
      pages        = {-},
      year         = {2017},
      abstract     = {The horse-shoe vortex appearing in front of the circular
                      cylinder placed on the boundary layer was numerically
                      investigated. The unsteady, three-dimensional feature of the
                      flow field was captured by a lattice-Boltzmann method, where
                      more than 300 million grids were used. The visualized
                      instantaneous flow field indicated a complex vortex
                      structure before and behind the cylinder. The spectrum
                      analysis on the fluctuating pressure in these vortices
                      indicated, however, there are only weak correlations between
                      the horse-shoe vortex in front of the cylinder and the shed
                      vortices in the wake. A strong down-ward flow in front of
                      the cylinder was generated as a consequence of the
                      horse-shoe vortex. The wall shear stress on the bottom wall
                      was found to be maximum around the corner of the cylinder,
                      as a consequence of the flow acceleration due to the
                      down-ward flow which was related to the generation of the
                      horse-shoe vortex.},
      month         = {Sep},
      date          = {2017-09-15},
      organization  = {Japan Society of Fluid Mechanics,
                       Annual Meeting 2017, Tokyo (Japan), 15
                       Sep 2017 - 17 Sep 2017},
      pnm          = {511 - Computational Science and Mathematical Methods
                      (POF3-511)},
      pid          = {G:(DE-HGF)POF3-511},
      typ          = {PUB:(DE-HGF)8},
      url          = {https://juser.fz-juelich.de/record/866747},
}