Laboratoire de Mécanique des Fluides et d'Acoustique - UMR 5509

LMFA - UMR 5509
Laboratoire de Mécanique des Fluides et d’Acoustique
Lyon
France


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Séminaires

Les séminaires du LMFA ont lieu le vendredi à 11h, et s’adressent à l’ensemble du laboratoire.
contact : louis.gostiaux@ec-lyon.fr, wouter.bos@ec-lyon.fr, benjamin.miquel@ec-lyon.fr

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 A realistic physical model of the Strait of Gibraltar

Axel Tassigny (LEGI)

A realistic physical model of the Strait of Gibraltar

Jeudi 2 avril 2026, 11h, amph. Berthollet, bât. Berthollet 2ème étage, Univ Lyon1.

The Strait of Gibraltar is a narrow and rugged channel connecting the Mediterranean Sea and the Atlantic Ocean. Because of the difference in salinity, Mediterranean waters are denser than (...)

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 Linear modelling of flame instability

Lutz Lesshafft (LadHyX)

Linear modelling of flame instability

Jeudi 19 Mars, 11h

Flame dynamics involve many effects (hydrodynamics, acoustics, thermal expansion, reaction and more), and they are known to display unstable behaviour in a large variety of configurations. These (...)

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 Reconstruction de la directivité de la voix humaine à l'aide d'antennes de microphones de géométrie arbitraire

Matthieu Hartenstein, L2S, Gif sur yvette

Reconstruction de la directivité de la voix humaine à l’aide d’antennes de microphones de géométrie arbitraire

Jeudi 26 Février 2026, 11h, Amphi 3, bât. W1, ECL

La directivité d’une source sonore caractérise la dépendance angulaire du champ rayonné. Au cours des vingt dernières années, de nombreux projets de recherche se sont intéressé à la directivité de (...)

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 Coupled oscillations, microstreaming, and other bubble-related phenomena

Gabriel Regnault (LMFA)

Coupled oscillations, microstreaming, and other bubble-related phenomena

Jeudi 5 Février 2026 - ECL (amphi 3, bât. W1)

Acoustic bubbles are known to allow a contactless and localized action on surrounding bodies, through a direct push-pull action or by the softer effect of microstreaming it generates in its (...)

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 Turbulence in dilute polymer solutions away from solid boundaries

Carlos da Silva - Instituto Superior Técnico - Lisbonne

Turbulence in dilute polymer solutions away from solid boundaries

Jeudi 22 janvier 2026 - 11h, Amphi 1bis, bât. W1, ECL

It is well known that when minute amounts of polymer are added into a Newtonian fluid the resulting fluid solution displays stark differences compared to a Newtonian fluid. One particularly (...)

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 Characterizing large-scale intermittency in stratified turbulence : advanced coarse-graining and neural network approaches

Raffaello Foldes (LMFA)

Characterizing large-scale intermittency in stratified turbulence : advanced coarse-graining and neural network approaches

Jeudi 15 Janvier, 14h INSA Lyon (amphithéâtre Marc Seguin)

We investigate the dynamics and dimensional complexity of stratified turbulent flows governed by the Boussinesq equations, combining analytical and data-driven modeling. Stratified turbulence, as (...)

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 One Cascade, Many Scales : A Unified Model of Low-Frequency Plasma Turbulence

Vincent David (Dartmouth College)

One Cascade, Many Scales : A Unified Model of Low-Frequency Plasma Turbulence

Reporté

A central problem in space and astrophysical plasmas is to understand how a weakly collisional medium is heated by turbulence. In such systems, the cascade is not free to develop in the manner (...)

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 Experimental surface waves : turbulence, shock waves and interaction with a hydrofoil

Guillaume Ricard (LPENSL)

Experimental surface waves : turbulence, shock waves and interaction with a hydrofoil

Jeudi 8 janvier 2026, 11h, Amphi 3, bât. W1, ECL

Wave dynamics at the surface of the ocean are a key phenomenon to understand the exchanges between the ocean and the atmosphere. However, many wave phenomena are still far from being fully (...)

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 Entrainment in gravity currents over complex boundaries

Claudia Adduce, Rome, La Sapienza

Entrainment in gravity currents over complex boundaries

Mercredi 10 Décembre, 11h, Amphi Seguin, INSA Lyon

Gravity currents are flows caused by a density difference between two fluids, which can be due to temperature and salinity gradients or sediment concentration. Gravity currents can occur in the (...)

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 Lagragian particles and time-irreversibility in Rotating Stratified Turbulence

Fabio Feraco (LMFA)

Lagragian particles and time-irreversibility in Rotating Stratified Turbulence

Jeudi 20 Novembre, 11h, ECL (bât. W1, amphi 3)

Lagrangian particles are widely used to investigate dispersion in environmental flows, as they allow for the simultaneous integration of statistics in both space and time, making them (...)

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