Interaction Dynamics of a Pair of Vortex Filament Rings
Bray,M-A and Wikswo,JP.
Physical Review Letters, 90 (23) 238303-1-238303-4 (2003)
Vortex filament-filament interactions are believed to underlie lethal arrhythmias in cardiac tissue but their dynamics remain poorly understood. We numerically replicate an experimentally postulated reentrant filament configuration as a pair of adjacent circular filaments (scroll rings) with common symmetry axes and varying initial radii and separation distances. The interaction properties are quantified in terms of the scroll-ring lifetime TL and direction of initial velocity V0. Two cases were examined, differing only in the direction of the wave around the filament, and observed drastic differences in TL between the cases as the separation distance between the rings was decreased. We conclude that ring interactions present unexpected behaviors associated with competing interaction and decay mechanisms. © 2003 The American Physical Society
Reprinted with permission from American Physical Society, Bray,M-A and Wikswo,JP. Interaction Dynamics of a Pair of Vortex Filament Rings. Phys.Rev.Lett., 90, 238303-1-238303-4, 2003, © 2003 The American Physical Society This article may be downloaded for personal use only. Any other use requires prior permission of the author and The American Physical Society.
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