Automated topology classification method for instantaneous velocity fields

by: S Depardon, J Lasserre, L Brizzi, J Borée

Experiments in Fluids, Vol. 42, No. 5. (28 May 2007), pp. 697-710.

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Abstract

Abstract Topological concepts provide highly comprehensible representations of the main features of a flow with a limited number of elements. This paper presents an automated classification method of instantaneous velocity fields based on the analysis of their critical points distribution and feature flow fields. It uses the fact that topological changes of a velocity field are continuous in time to extract large scale periodic phenomena from insufficiently time-resolved datasets. This method is applied to two test-cases : an analytical flow field and PIV planes acquired downstream a wall-mounted cube.

@article{citeulike:1341560, abstract = {Abstract\ \ Topological concepts provide highly comprehensible representations of the main features of a flow with a limited number of elements. This paper presents an automated classification method of instantaneous velocity fields based on the analysis of their critical points distribution and feature flow fields. It uses the fact that topological changes of a velocity field are continuous in time to extract large scale periodic phenomena from insufficiently time-resolved datasets. This method is applied to two test-cases : an analytical flow field and PIV planes acquired downstream a wall-mounted cube.}, author = {Depardon, S. and Lasserre, J. and Brizzi, L. and Bor\'{e}e, J. }, citeulike-article-id = {1341560}, doi = {http://dx.doi.org/10.1007/s00348-007-0277-3}, journal = {Experiments in Fluids}, keywords = {classification, coherent-structures}, month = {May}, number = {5}, pages = {697--710}, posted-at = {2007-05-29 19:17:47}, priority = {2}, title = {Automated topology classification method for instantaneous velocity fields}, url = {http://dx.doi.org/10.1007/s00348-007-0277-3}, volume = {42}, year = {2007} }

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TY - JOUR ID - citeulike:1341560 L3 - citeulike-article-id:1341560 TI - Automated topology classification method for instantaneous velocity fields JF - Experiments in Fluids VL - 42 IS - 5 SP - 697 EP - 710 N2 - Abstract  Topological concepts provide highly comprehensible representations of the main features of a flow with a limited number of elements. This paper presents an automated classification method of instantaneous velocity fields based on the analysis of their critical points distribution and feature flow fields. It uses the fact that topological changes of a velocity field are continuous in time to extract large scale periodic phenomena from insufficiently time-resolved datasets. This method is applied to two test-cases : an analytical flow field and PIV planes acquired downstream a wall-mounted cube. KW - classification KW - coherent-structures AU - Depardon, S AU - Lasserre, J AU - Brizzi, L AU - Borée, J PY - 2007/05/28/ UR - http://dx.doi.org/10.1007/s00348-007-0277-3 ER -

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