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Generalized Streak Lines: Analysis and Visualization of Boundary Induced Vortices
November/December 2007 (vol. 13 no. 6)
pp. 1735-1742
ASCII Text
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Alexander Wiebel, Xavier Tricoche, Dominic Schneider, Heike Jaenicke, Gerik Scheuermann, "Generalized Streak Lines: Analysis and Visualization of Boundary Induced Vortices," IEEE Transactions on Visualization and Computer Graphics, vol. 13, no. 6, pp. 1735-1742, November/December, 2007.
 
 
BibTex
x
 
@article{ 10.1109/TVCG.2007.70557,
author = {Alexander Wiebel and Xavier Tricoche and Dominic Schneider and Heike Jaenicke and Gerik Scheuermann},
title = {Generalized Streak Lines: Analysis and Visualization of Boundary Induced Vortices},
journal ={IEEE Transactions on Visualization and Computer Graphics},
volume = {13},
number = {6},
issn = {1077-2626},
year = {2007},
pages = {1735-1742},
doi = {http://doi.ieeecomputersociety.org/10.1109/TVCG.2007.70557},
publisher = {IEEE Computer Society},
address = {Los Alamitos, CA, USA},
}
 
 
RefWorks Procite/RefMan/Endnote
x 
 
TY - JOUR
JO - IEEE Transactions on Visualization and Computer Graphics
TI - Generalized Streak Lines: Analysis and Visualization of Boundary Induced Vortices
IS - 6
SN - 1077-2626
SP1735
EP1742
EPD - 1735-1742
A1 - Alexander Wiebel,
A1 - Xavier Tricoche,
A1 - Dominic Schneider,
A1 - Heike Jaenicke,
A1 - Gerik Scheuermann,
PY - 2007
KW - Skin friction
KW - singularity tracking
KW - vortex
KW - generalized streak line
KW - flow visualization
KW - time-dependent vector fields.
VL - 13
JA - IEEE Transactions on Visualization and Computer Graphics
ER -
 
We present a method to extract and visualize vortices that originate from bounding walls of three-dimensional time-dependent flows. These vortices can be detected using their footprint on the boundary, which consists of critical points in the wall shear stress vector field. In order to follow these critical points and detect their transformations, affected regions of the surface are parameterized. Thus, an existing singularity tracking algorithm devised for planar settings can be applied. The trajectories of the singularities are used as a basis for seeding particles. This leads to a new type of streak line visualization, in which particles are released from a moving source. These generalized streak lines visualize the particles that are ejected from the wall. We demonstrate the usefulness of our method on several transient fluid flow datasets from computational fluid dynamics simulations.

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Index Terms:
Skin friction, singularity tracking, vortex, generalized streak line, flow visualization, time-dependent vector fields.
Citation:
Alexander Wiebel, Xavier Tricoche, Dominic Schneider, Heike Jaenicke, Gerik Scheuermann, "Generalized Streak Lines: Analysis and Visualization of Boundary Induced Vortices," IEEE Transactions on Visualization and Computer Graphics, vol. 13, no. 6, pp. 1735-1742, Nov.-Dec. 2007, doi:10.1109/TVCG.2007.70557
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