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231223s2007 xx ||||| 00| ||eng c |
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|a (NLM)17968098
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|a DE-627
|b ger
|c DE-627
|e rakwb
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| 041 |
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|a eng
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| 100 |
1 |
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|a Garth, Christoph
|e verfasserin
|4 aut
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| 245 |
1 |
0 |
|a Efficient computation and visualization of coherent structures in fluid flow applications
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| 264 |
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1 |
|c 2007
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| 336 |
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|a Text
|b txt
|2 rdacontent
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| 337 |
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|a ohne Hilfsmittel zu benutzen
|b n
|2 rdamedia
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| 338 |
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|a Band
|b nc
|2 rdacarrier
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| 500 |
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|a Date Completed 14.12.2007
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| 500 |
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|a Date Revised 30.10.2007
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|a published: Print
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|a Citation Status PubMed-not-MEDLINE
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| 520 |
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|a The recently introduced notion of Finite-Time Lyapunov Exponent to characterize Coherent Lagrangian Structures provides a powerful framework for the visualization and analysis of complex technical flows. Its definition is simple and intuitive, and it has a deep theoretical foundation. While the application of this approach seems straightforward in theory, the associated computational cost is essentially prohibitive. Due to the Lagrangian nature of this technique, a huge number of particle paths must be computed to fill the space-time flow domain. In this paper, we propose a novel scheme for the adaptive computation of FTLE fields in two and three dimensions that significantly reduces the number of required particle paths. Furthermore, for three-dimensional flows, we show on several examples that meaningful results can be obtained by restricting the analysis to a well-chosen plane intersecting the flow domain. Finally, we examine some of the visualization aspects of FTLE-based methods and introduce several new variations that help in the analysis of specific aspects of a flow
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| 650 |
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|a Journal Article
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| 700 |
1 |
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|a Gerhardt, Florian
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Tricoche, Xavier
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Hans, Hagen
|e verfasserin
|4 aut
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| 773 |
0 |
8 |
|i Enthalten in
|t IEEE transactions on visualization and computer graphics
|d 1996
|g 13(2007), 6 vom: 01. Nov., Seite 1464-71
|w (DE-627)NLM098269445
|x 1941-0506
|7 nnns
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| 773 |
1 |
8 |
|g volume:13
|g year:2007
|g number:6
|g day:01
|g month:11
|g pages:1464-71
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|a GBV_ILN_350
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| 951 |
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|a AR
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| 952 |
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|d 13
|j 2007
|e 6
|b 01
|c 11
|h 1464-71
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