Issue |
Europhys. Lett.
Volume 59, Number 6, September II 2002
|
|
---|---|---|
Page(s) | 834 - 840 | |
Section | Electromagnetism, optics, acoustics, heat transfer, classical mechanics, and fluid dynamics | |
DOI | https://doi.org/10.1209/epl/i2002-00118-y | |
Published online | 01 September 2002 |
Statistical properties of one-dimensional “turbulence”
Laboratoire de Physique, Ecole Normale
Supérieure de Lyon
46 allée d'Italie, 69364 Lyon Cedex 07, France
Received:
27
March
2002
Accepted:
21
June
2002
We study a one-dimensional discrete analog of the von Kármán flow, widely investigated in turbulence. A lattice of anharmonic oscillators is excited by both ends in order to create a large-scale structure in a highly nonlinear medium, in the presence of a dissipative term similar to the viscous term in a fluid. This system shows a striking similarity with a turbulent flow both at local and global scales. The properties of the nonlinear excitations of the lattice provide a partial understanding of this behavior.
PACS: 47.27.Eq – Turbulence simulation and modeling / 05.45.-a – Nonlinear dynamics and nonlinear dynamical systems
© EDP Sciences, 2002
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