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Dimensional analysis and weak turbulence
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UNSPECIFIED (2003) Dimensional analysis and weak turbulence. In: Conference on Complexity and Nonlinearity in Physical Systems held in Honor of Alan Newell, UNIV ARIZONA, TUCSON, ARIZONA, NOV, 2001. Published in: PHYSICA D-NONLINEAR PHENOMENA, 184 (1-4). pp. 86-97. doi:10.1016/S0167-2789(03)00214-8 ISSN 0167-2789.
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Official URL: http://dx.doi.org/10.1016/S0167-2789(03)00214-8
Abstract
In the study of weakly turbulent wave systems possessing incomplete self-similarity, it is possible to use dimensional arguments to derive the scaling exponents of the Kolmogorov-Zakharov spectra, provided the order of the resonant wave interactions responsible for nonlinear energy transfer is known. Furthermore, one can easily derive conditions for the breakdown of the weak turbulence approximation. It is found that for incompletely self-similar systems dominated by three wave interactions, the weak turbulence approximation usually cannot break down at small scales. It follows that such systems cannot exhibit small scale intermittency. For systems dominated by four wave interactions, the incomplete self-similarity property implies that the scaling of the interaction coefficient depends only on the physical dimension of the system. These results are used to build a complete picture of the scaling properties of the surface wave problem where both gravity and surface tension play a role. We argue that, for large values of the energy flux, there should be two weakly turbulent scaling regions matched together via a region of strongly nonlinear turbulence. (C) 2003 Elsevier B.V All rights reserved.
Item Type: | Conference Item (UNSPECIFIED) | ||||
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Subjects: | Q Science > QA Mathematics Q Science > QC Physics |
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Journal or Publication Title: | PHYSICA D-NONLINEAR PHENOMENA | ||||
Publisher: | ELSEVIER SCIENCE BV | ||||
ISSN: | 0167-2789 | ||||
Official Date: | 1 October 2003 | ||||
Dates: |
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Volume: | 184 | ||||
Number: | 1-4 | ||||
Number of Pages: | 12 | ||||
Page Range: | pp. 86-97 | ||||
DOI: | 10.1016/S0167-2789(03)00214-8 | ||||
Publication Status: | Published | ||||
Title of Event: | Conference on Complexity and Nonlinearity in Physical Systems held in Honor of Alan Newell | ||||
Location of Event: | UNIV ARIZONA, TUCSON, ARIZONA | ||||
Date(s) of Event: | NOV, 2001 |
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