Adaptive numerical methods for fluid mechanics

ONERA – Centre de Châtillon, 29 avenue de la Division Leclerc – 92320 Châtillon
Salle Contensou, à 10h30.
Intervenant : Stéphane Popinet - Institut Jean Le Rond d’Alembert, UPMC

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The equations of fluid mechanics can be used to describe natural processes over a wide range of scales, from the behaviour of micro-organisms to astrophysics. Each of these processes is in turn often controlled by internal interactions on widely different scales.  Numerical methods able to efficiently resolve these interactions are — in combination with theoretical analysis and lab experiments — an essential tool for advancing our understanding. I will give a general overview of the hierarchical numerical methods I have worked on, as implemented within the free software Gerris Flow Solver ( and Basilisk ( and discuss a range of applications including microscale high-energy droplet dynamics, multiphase and complex flows and tsunamis.

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