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@ARTICLE{Chraibi:811280,
      author       = {Chraibi, Mohcine and Steffen, Bernhard},
      title        = {{M}ultiscale simulation of pedestrians for efficient
                      predictive modeling in large events},
      journal      = {Journal of cellular automata},
      volume       = {11},
      number       = {4},
      issn         = {1557-5969},
      address      = {Philadelphia, Pa.},
      publisher    = {Old City Publishing},
      reportid     = {FZJ-2016-03781},
      pages        = {299-310},
      year         = {2016},
      abstract     = {The Hermes project [1] demonstrated the usefulness of on
                      site predictive simulations of probable evacuation scenarios
                      for security personnel. However, the hardware needed was
                      prohibitively expensive [2]. The present paper shows that a
                      multiscale approach can perform the simulation in a fraction
                      of time without loss of useful information. The main problem
                      is the correct passing of agents from a coarse scale model
                      to a fine scale model, here from a CA model to a force based
                      model. This will be achieved by inserting agents into the
                      force based model at positions and speeds optimized for
                      smooth walking either by a priori information or using
                      Voronoi cells. The resulting model is easily parallelised
                      using OpenMP, achieving reasonable efficiency.We also show
                      how a CA method can be modified to address the problem
                      better than standard CA, too. However, this approach needs
                      further development and calibration to be reliable.},
      cin          = {JSC},
      ddc          = {004},
      cid          = {I:(DE-Juel1)JSC-20090406},
      pnm          = {511 - Computational Science and Mathematical Methods
                      (POF3-511)},
      pid          = {G:(DE-HGF)POF3-511},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000385016800004},
      url          = {https://juser.fz-juelich.de/record/811280},
}