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physics.flu-dyn2021
Purely elastic linear instabilities in parallel shear flows with free-slip boundary conditions
Martin Lellep, Moritz Linkmann, Bruno Eckhardt +1
We perform a linear stability analysis of viscoelastic plane Couette and plane Poiseuille flows with free-slip boundary conditions. The fluid is described by the Oldroyd-B constitu…
physics.flu-dyn2021★ 31 cited
Interpreted machine learning in fluid dynamics: Explaining relaminarisation events in wall-bounded shear flows
Martin Lellep, Jonathan Prexl, Bruno Eckhardt +1
Machine Learning (ML) is becoming increasingly popular in fluid dynamics. Powerful ML algorithms such as neural networks or ensemble methods are notoriously difficult to interpret.…