| Issue |
ESAIM: Proc.
Volume 1, 1996
Vortex flows an related numerical methods II
|
|
|---|---|---|
| Page(s) | 463 - 479 | |
| DOI | https://doi.org/10.1051/proc:1996014 | |
| Published online | 15 August 2002 | |
Singularity formation in the shape of a vortex sheet in three dimensions-numerical simulation
1
Department of Mathematics Faculty of Science Toyama University Gofuku, Toyama 930, Japan
2
Department of Applied Physics Faculty of Engineering Nagoya University Chikusa-ku, Nagoya 464-01, Japan
The evolution of a small but finite three-dimensional disturbance on a flat uniform vortex sheet is studied numerically on the basis of a Lagrangian representation of the motion. The numerical simulations confirm the asymptotic analysis by Ishihara and Kaneda (1995; J. Fluid Mech., 300, 339-366) for the spontaneous singularity formation in the shape of the vortex sheet. They also suggest that the singularities appear along curves, which have a rather simple dependence on the spanwise-coordinate. Reflecting the three-dimensionality of the vortex dynamics, the singularity-curve is not along any of the vortex lines.
© EDP Sciences, ESAIM, 1996
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