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Detecting vortices in fluid dynamics simulations using computer vision

Published online by Cambridge University Press:  20 January 2023

Thomas Rometsch Open the ORCID record for Thomas Rometsch [Opens in a new window]
Thomas Rometsch*
Affiliation:
Universität Tübingen Auf der Morgenstelle 10, 72076 Tübingen, Germany email: thomas.rometsch@uni-tuebingen.de
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Abstract

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Vortices are patches of fluid revolving around a central axis. They are ubiquitous in fluid dynamics. To the human eye, detecting vortices is a trivial task thanks to our inherent ability to identify patterns. To solve this task automatically, we developed the Vortector pipeline which was used to identify and characterize vortices in around one million snapshots of planet-disk interaction simulations in the context of planet formation. From the emergence of two regimes of vortex lifetime, one of which shows very long-lived vortices, we conclude that future resolved disk observations will predominantly detect vortices in the outer parts of protoplanetary disks.

Keywords

protoplanetary disksplanet–disk interactionfluid dynamicsmethods: numerical
Type
Contributed Paper
Information
Proceedings of the International Astronomical Union , Volume 16 , Symposium S362: The Predictive Power of Computational Astrophysics as a Discovery Tool , June 2020 , pp. 398 - 403
Creative Commons
Creative Common License - CCCreative Common License - BY
This is an Open Access article, distributed under the terms of the Creative Commons Attribution licence (https://creativecommons.org/licenses/by/4.0/), which permits unrestricted re-use, distribution, and reproduction in any medium, provided the original work is properly cited.
Copyright
© The Author(s), 2023. Published by Cambridge University Press on behalf of International Astronomical Union

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