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Vortex collapse and turbulence
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UNSPECIFIED (2005) Vortex collapse and turbulence. FLUID DYNAMICS RESEARCH, 36 (4-6). pp. 249-260. doi:10.1016/j.fluiddyn.2004.09.003 ISSN 0169-5983.
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Official URL: http://dx.doi.org/10.1016/j.fluiddyn.2004.09.003
Abstract
Recent calculations related to the self-induced collapse of large-scale vortex structures into fine scale, possibly singular, structures in the Euler and Navier-Stokes equations are described. The practical importance of these intense events is their possible role in turbulence through the effects of strong intermittency and how that will direct turbulence modelling. Despite a concerted international effort to simulate these events over a decade ago, their dynamical origin remains largely unknown. A new international collaboration designed to push our understanding of the Euler singularity problem is described. These events are closely related to one of the outstanding mathematical questions of our time: whether solutions of the three-dimensional incompressible Navier-Stokes equations, lying in a bounded domain with finite energy and no external forcing, remain regular for arbitrarily long times (www.claymath.org/Millennium_Prize_Problems). (c) 2005 Published by The Japan Society of Fluid Mechanics and Elsevier B.V. All rights reserved.
Item Type: | Journal Article | ||||
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Subjects: | T Technology > TJ Mechanical engineering and machinery Q Science > QC Physics |
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Journal or Publication Title: | FLUID DYNAMICS RESEARCH | ||||
Publisher: | ELSEVIER SCIENCE BV | ||||
ISSN: | 0169-5983 | ||||
Official Date: | April 2005 | ||||
Dates: |
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Volume: | 36 | ||||
Number: | 4-6 | ||||
Number of Pages: | 12 | ||||
Page Range: | pp. 249-260 | ||||
DOI: | 10.1016/j.fluiddyn.2004.09.003 | ||||
Publication Status: | Published |
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