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Predictability in two-dimensional decaying turbulence

delete1997-03-01
delete28
PRE
AI
G
G. Boffetta *
A
Antonio Celani
A
A. Crisanti
A
Angelo Vulpiani
DOI：10.1063/1.869227delete
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Abstract

Abstract

En 中文
Predictability problem for two-dimensional decaying turbulence is addressed by means of numerical simulations. Qualitative and quantitative comparisons with previous results obtained by closure approximations are critically examined. It is found that, as for other features of two-dimensional turbulence, the role of coherent vortices is essential for a correct interpretation of the results, A Lagrangian, vortex-based, definition for the growth of incertitudes leads in general to an enhancement of the predictability time. (C) 1997 American Institute of Physics.
Keywords:
2-DIMENSIONAL TURBULENCE
INTERMITTENCY
FLOWS
MODEL
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Key information extracted from the uploaded paper, including a brief overview, abstract, background, key highlights, visual analysis, and future outlook.

Journal

Physics of Fluids cover
Physics of Fluids
IF:
4.3
Papers:
2.9W
Citations:
8.0W

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No organization information available