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Partial Differential Equations Seminar   RSS

Denis Bonheure 25/11/2021, 15:00 — 16:00 — Room P3.10, Mathematics Building
, Francqui Research Professor (Francqui Foundation) and Université Libre de Bruxelles

Equilibrium configuration of a rectangular obstacle immersed in a channel flow

Fluid flows around an obstacle generate vortices which, in turn, generate lift forces on the obstacle. Therefore, even in a perfectly symmetric framework equilibrium positions may be asymmetric. We show that this is not the case for a Poiseuille flow in an unbounded 2D channel, at least for small Reynolds number and flow rate. We consider both the cases of vertically moving obstacles and obstacles rotating around a fixed pin.

This presentation is based on a joint work with F. Gazzola and P. Galdi.

Please note that the seminar is at room P3.10, not online!


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