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CONTOUR DYNAMICS AND GLOBAL REGULARITY FOR PERIODIC VORTEX PATCHES AND LAYERS
Journal article   Open access   Peer reviewed

CONTOUR DYNAMICS AND GLOBAL REGULARITY FOR PERIODIC VORTEX PATCHES AND LAYERS

David M. Ambrose, Fazel Hadadifard and James P. Kelliher
SIAM journal on mathematical analysis, v 56(2), pp 2286-2311
01 Jan 2024
url
https://arxiv.org/pdf/2209.14481View
Preprint (Author's original)arXiv.org - Non-exclusive license to distribute Open

Abstract

Mathematics, Applied Science & Technology Mathematics Physical Sciences
We study vortex patches for the two-dimensional incompressible Euler equations. Prior works on this problem take the support of the vorticity (i.e., the vortex patch) to be a bounded region. We instead consider the horizontally periodic setting. This includes both the case of a periodic array of bounded vortex patches and the case of vertically bounded vortex layers. We develop the contour dynamics equation for the boundary of the patch in this horizontally periodic setting and demonstrate global C1,\varepsilon regularity of this patch boundary. In the process of formulating the problem, we consider different notions of periodic solutions of the two-dimensional incompressible Euler equations and demonstrate equivalence of these.

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Collaboration types
Domestic collaboration
Web of Science research areas
Mathematics, Applied
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