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physics.flu-dyn2018★ 60 cited
Koopman analysis of the long-term evolution in a turbulent convection cell
Dimitrios Giannakis, Anastasiya Kolchinskaya, Dmitry Krasnov +1
We analyse the long-time evolution of the three-dimensional flow in a closed cubic turbulent Rayleigh-Bénard convection cell via a Koopman eigenfunction analysis. A data-driven bas…
physics.flu-dyn2015★ 13 cited
Role of critical points of the skin friction field in formation of plumes in thermal convection
Vinodh Bandaru, Anastasiya Kolchinskaya, Kathrin Padberg-Gehle +1
The dynamics in the thin boundary layers of temperature and velocity is the key to a deeper understanding of turbulent transport of heat and momentum in thermal convection. The vel…