Machine Learning Applications in Convective Turbulence

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Turbulent convection flows are ubiquitous in natural systems such as in the atmosphere or in stellar interiors as well as in technological applications such as cooling or energy storage devices. Their physical complexity and vast number of degrees of freedom prevents often an access by direct numerical simulations that resolve all flow scales from the smallest to the largest plumes and vortices in the system and requires a simplified modelling of the flow itself and the resulting turbulent transport behaviour. The following article summarises some examples that aim at a reduction of the flow complexity and thus of the number of degrees of freedom of convective turbulence by machine learning approaches. We therefore apply unsupervised and supervised machine learning methods to direct numerical simulation data of a Rayleigh-Bénard convection flow which serves as a paradigm of the examples mentioned at the beginning.
OriginalspracheEnglisch
TitelNIC Symposium 2020 : 27 − 28 February 2020, Jülich, Germany, Proceedings
Redakteure/-innenM. Müller, K. Binder, A. Trauntmann
Anzahl der Seiten10
ErscheinungsortJülich
VerlagForschungszentrum Jülich
Datum2020
Seiten357-366
ISBN (Print)978-3-95806-443-0
PublikationsstatusErschienen - 2020
Veranstaltung10th John von Neumann Institute for Computing Symposium - 2020 - John von Neumann Institute for Computing, Jülich, Deutschland
Dauer: 27.02.202028.02.2020
Konferenznummer: 10
https://www.fz-juelich.de/SharedDocs/Termine/IAS/JSC/DE/Events/2020/nic-symposium-2020.html

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