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A novel method for identifying vortical structures

delete2002-12-01
delete12
PRE
AI
P
Pemberton, RJ *
T
Turnock, SR
T
Tony J. Dodd
E
Eric Rogers
DOI：10.1006/jfls.2002.0462delete
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Abstract

Abstract

En 中文
A method for identifying vortices in a 2-D velocity field is developed. A function based on the local angles of velocity with respect to a datum is calculated at each point in the 2-D field. This function is a local minimum at vortex centres. An advanced statistical technique for identifying multiple minima is used to find the minima of this function. The method is used for vortices, calculated using a RANS CFD code (CFX 4.3), forming around a very large crude carrier (VLCC) and the results are seen to be close to the centres of the vortices. (C) 2002 Elsevier Science Ltd. All rights reserved.

Journal

Journal of Fluids and Structures cover
Journal of Fluids and Structures
IF:
3.5
Papers:
3.7K
Citations:
1.2W

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