Volume 45, Number 5, March I 1999
|Page(s)||552 - 557|
|Published online||01 September 2002|
Hierarchical coupled map lattices as cascade models for hydrodynamical turbulence
Institut für Theoretische Physik, RWTH Aachen
Templergraben 55, 52056 Aachen, Germany
2 School of Mathematical Sciences, Queen Mary and Westfield College University of London - Mile End Road, London E1 4NS, England
Accepted: 21 December 1998
We consider hierarchical coupled map lattices as models for hydrodynamical turbulence at large Reynolds numbers. These lattice dynamical systems allow for an efficient simulation of spatio-temporal stochastic processes that have properties similar to those of fully developed turbulent flows. Relative scaling exponents and probability densities are calculated. They are in very good agreement with turbulence experiments. Some visualisations of spatio-temporal flow patterns are presented.
PACS: 05.45.-a – Nonlinear dynamics and nonlinear dynamical systems / 47.27.Eq – Turbulence simulation and modeling
© EDP Sciences, 1999
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