A novel method for identifying vortical structures


Pemberton, R.J., Turnock, S.R., Dodd, T.J. and Rogers, E. (2002) A novel method for identifying vortical structures. Journal of Fluids and Structures, 16, (8), 1051-1057. (doi:10.1006/jfls.2002.0462).

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Original Publication URL: http://dx.doi.org/10.1006/jfls.2002.0462

Description/Abstract

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.

Item Type: Article
ISSNs: 0889-9746 (print)
Related URLs:
Subjects: Q Science > QA Mathematics > QA75 Electronic computers. Computer science
Q Science > QA Mathematics
Divisions: University Structure - Pre August 2011 > School of Engineering Sciences
ePrint ID: 22236
Date Deposited: 20 Mar 2006
Last Modified: 27 Mar 2014 18:11
URI: http://eprints.soton.ac.uk/id/eprint/22236

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