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Poster communications

Topological Analysis of the 2D von Kármán Street

Adhitya Kamakshidasan 1 Vijay Natarajan 2
1 ILDA - Interacting with Large Data
LRI - Laboratoire de Recherche en Informatique, Inria Saclay - Ile de France
Abstract : Topology based analysis and feature tracking is a well studied area. In this work, we focus exclusively on a dataset called the von Kármán street, and apply topology-based methods to understand its vortices. For this analysis, we adapt the recently proposed edit distance between merge trees. We discern several interesting results. One, we observe spatial periodicity between the vortices, alternating every half-cycle. Two, we observe a distinct difference in spatial probability of vortex regions during a half-cycle. Further, we compare the accuracy of our spatial probability with an off-the-shelf machine learning approach.
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Submitted on : Sunday, May 10, 2020 - 12:00:33 AM
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  • HAL Id : hal-02344001, version 3

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Adhitya Kamakshidasan, Vijay Natarajan. Topological Analysis of the 2D von Kármán Street. VIS, 2019, Vancouver, Canada. ⟨hal-02344001v3⟩

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