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  • 1
    Electronic Resource
    Electronic Resource
    Intrinsic stochasticity with many degrees of freedom (1984)
    Springer
    Journal of statistical physics 37 (1984), S. 39-49 
    Details
    ISSN: 1572-9613
    Keywords: Intrinsic Stochasticity ; turbulent fluctuations ; energy transfer ; Lyapunov exponents
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract We study a simple model equation describing a system with an infinity of degrees of freedom which displays an intrinsically chaotic behavior. Some concepts of fully developed turbulence are discussed in relation to this model. We also develop an approach based on Lyapunov exponent measurements. Numerical results on the distribution of Lyapunov numbers and the power spectrum of the associated Lyapunov vectors are presented and briefly discussed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01012904
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    Paper (German National Licenses)
    Fulltext
  • 2
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    Multiple collisions in turbulent flows (2013)
    American Physical Society (APS)
    Details
    Publication Date: 2013-12-11
    Description: Author(s): Michel Voßkuhle, Emmanuel Lévêque, Michael Wilkinson, and Alain Pumir In turbulent suspensions, collision rates determine how rapidly particles coalesce or react with each other. To determine the collision rate, many numerical studies rely on the ghost collision approximation (GCA), which simply records how often pairs of point particles come within a threshold distan... [Phys. Rev. E 88, 063008] Published Tue Dec 10, 2013
    Keywords: Fluid Dynamics
    Print ISSN: 1539-3755
    Electronic ISSN: 1550-2376
    Topics: Physics
    Published by American Physical Society (APS)
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    PAPER CURRENT
  • 3
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    Incipient singularities in the Navier-Stokes equations (1985)
    In:  Other Sources
    Details
    Publication Date: 2019-07-12
    Description: Infinite pointwise stretching in a finite time for general initial conditions is found in a simulation of the Biot-Savart equation for a slender vortex tube in three dimensions. Viscosity is ineffective in limiting the divergence in the vorticity as long as it remains concentrated in tubes. Stability has not been shown.
    Keywords: FLUID MECHANICS AND HEAT TRANSFER
    Type: Physical Review Letters (ISSN 0031-9007); 55; 1749-175
    Format: text
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    NASA TECHNICAL REPORTS
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