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@ARTICLE{Xu:864828,
      author       = {Xu, Qiancheng and Chraibi, Mohcine and Tordeux, Antoine and
                      Zhang, Jun},
      title        = {{G}eneralized collision-free velocity model for pedestrian
                      dynamics},
      journal      = {Physica / A Statistical mechanics and its applications A},
      volume       = {535},
      issn         = {0378-4371},
      address      = {Amsterdam},
      publisher    = {North Holland Publ. Co.},
      reportid     = {FZJ-2019-04475},
      pages        = {122521 -},
      year         = {2019},
      note         = {https://arxiv.org/abs/1908.10304},
      abstract     = {The collision-free velocity model is a microscopic
                      pedestrian model, which despite its simplicity, reproduces
                      fairly well several self-organization phenomena in
                      pedestrian dynamics. The model consists of two components: a
                      direction sub-model that combines individual desired moving
                      direction and neighbor’s influence to imitate the process
                      of navigating in a two-dimensional space, and an
                      intrinsically collision-free speed sub-model which controls
                      the speed of the agents with respect to the distance to
                      their neighbors.In this paper we generalize the
                      collision-free velocity model by introducing the influence
                      of walls and extending the distance calculations to
                      velocity-based ellipses. Besides, we introduce enhancements
                      to the direction sub-module that smooth the direction
                      changes of pedestrians in the simulation; a shortcoming that
                      was not visible in the original model due to the symmetry of
                      the circular shapes. Moreover, the introduced improvements
                      mitigate backward movements, leading to a more realistic
                      distribution of pedestrians especially in bottleneck
                      scenarios.We study by simulation the effects of the
                      pedestrian’s shape by comparing the fundamental diagram in
                      narrow and wide corridors. Furthermore, we validate our
                      generalized approach by investigating the flow through
                      bottlenecks with varying exit’s widths.},
      cin          = {IAS-7},
      ddc          = {500},
      cid          = {I:(DE-Juel1)IAS-7-20180321},
      pnm          = {511 - Computational Science and Mathematical Methods
                      (POF3-511) / PhD no Grant - Doktorand ohne besondere
                      Förderung (PHD-NO-GRANT-20170405)},
      pid          = {G:(DE-HGF)POF3-511 / G:(DE-Juel1)PHD-NO-GRANT-20170405},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000498749000041},
      doi          = {10.1016/j.physa.2019.122521},
      url          = {https://juser.fz-juelich.de/record/864828},
}