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A novel method for identifying vortical structures

Record type: Article

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.

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Citation

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), pp. 1051-1057. (doi:10.1006/jfls.2002.0462).

More information

Published date: 2002

Identifiers

Local EPrints ID: 22236
URI: http://eprints.soton.ac.uk/id/eprint/22236
ISSN: 0889-9746
PURE UUID: 13be26ae-ce75-4f3a-bde8-fd395b21f2ac
ORCID for S.R. Turnock: ORCID iD orcid.org/0000-0001-6288-0400

Catalogue record

Date deposited: 20 Mar 2006
Last modified: 17 Jul 2017 16:23

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Contributors

Author: R.J. Pemberton
Author: S.R. Turnock ORCID iD
Author: T.J. Dodd
Author: E. Rogers

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