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@ARTICLE{Vamos:28609,
      author       = {Vamos, C. and Suciu, N. and Vereecken, H.},
      title        = {{G}eneralized random walk algorithm for the numerical
                      modeling of complex diffusion processes},
      journal      = {Journal of computational physics},
      volume       = {186},
      issn         = {0021-9991},
      address      = {Orlando, Fla.},
      publisher    = {Academic Press},
      reportid     = {PreJuSER-28609},
      pages        = {527 - 544},
      year         = {2003},
      note         = {Record converted from VDB: 12.11.2012},
      abstract     = {A generalized form of the random walk algorithm to simulate
                      diffusion processes is introduced. Unlike the usual
                      approach, at a given time all the particles from a grid node
                      are simultaneously scattered using the Bernoulli
                      repartition. This procedure saves memory and computing time
                      and no restrictions are imposed for the maximum number of
                      particles to be used in simulations. We prove that for
                      simple diffusion the method generalizes the finite
                      difference scheme and gives the same precision for large
                      enough number of particles. As an example, simulations of
                      diffusion in random velocity field are performed and the
                      main features of the stochastic mathematical model are
                      numerically tested. (C) 2003 Elsevier Science B.V. All
                      rights reserved.},
      keywords     = {J (WoSType)},
      cin          = {ICG-IV},
      ddc          = {530},
      cid          = {I:(DE-Juel1)VDB50},
      pnm          = {Chemie und Dynamik der Geo-Biosphäre},
      pid          = {G:(DE-Juel1)FUEK257},
      shelfmark    = {Computer Science, Interdisciplinary Applications / Physics,
                      Mathematical},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000182615000007},
      doi          = {10.1016/S0021-9991(03)00073-1},
      url          = {https://juser.fz-juelich.de/record/28609},
}