[Soft-matter] Soft Matter and Stat Phys Seminar on 13 May 2022

[Maciej Lisicki]

Dear Soft Matter Colleagues and Friends,

On Friday 13 May 2022 at 9:30 AM at the UW Faculty of Physics (Pasteura 5, Warsaw; room 1.40) we are hosting a seminar during which

Antoine Sellier (LadHyX, Ecole Polytechnique)

will give a talk

MHD viscous flow about a translating slip sphere

Abstract
The MHD viscous flow about a slip solid insulating sphere translating in a conducting Newtonian liquid parallel with an imposed uniform and steady magnetic fields is considered. The adopted slip condition on the sphere is the usual Navier condition with a prescribed slip length possibly varying in the direction of the sphere translation. A theoretical formulation valid for such an arbitrary slip distribution and providing both the flow about the sphere and the drag it experiences is proposed. An efficient numerical implementation is then performed for two illustrating examples: a uniform slip length and a slip length with constant slope. The resulting drag force sensitivity to the Hartmann number and the slip magnitude and distribution will be thereby reported and discussed for those examples.

We warmly welcome everyone to attend the talk and the Soft Matter Coffee Break after the seminar, held in room 4.51 (4th floor).

Maria Ekiel-Jeżewska
Maciej Lisicki
Piotr Szymczak
Panagiotis Theodorakis 






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