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  • 1990-1994  (2)
  • Bootstrap percolation  (1)
  • Hydrodynamics  (1)
  • 1
    Electronic Resource
    Electronic Resource
    Viscous drag by cellular automata (1990)
    Springer
    Journal of statistical physics 59 (1990), S. 501-508 
    Details
    ISSN: 1572-9613
    Keywords: Hydrodynamics ; multispin coding ; molecular dynamics ; vector computer
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract A simple method to compute the drag coefficient of two-dimensional bodies with arbitrary shapes is presented. The procedure is based on cellular automata as an extreme idealization of the molecular dynamics of a viscous fluid. We verify the algorithm by examples and obtain results in quantitative agreement with experiments even when eddies behind the obstacle are formed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01015579
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Finite-size effects for some bootstrap percolation models (1990)
    Springer
    Journal of statistical physics 60 (1990), S. 323-332 
    Details
    ISSN: 1572-9613
    Keywords: Bootstrap percolation ; critical exponents ; phase transition ; finite-size scaling ; simulation
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract The consequences of Schonmann's new proof that the critical threshold is unity for certain bootstrap percolation models are explored. It is shown that this proof provides an upper bound for the finite-size scaling in these systems. Comparison with data for one case demonstrates that this scaling appears to give the correct asymptotics. We show that the threshold for a finite system of sizeL scales asO[ln(lnL)] for the isotropic model in three dimensions where sites that fail to have at least four neighbors are culled.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01314923
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
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