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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Accueil > Pages perso > Maffioli Andrea

Andrea Maffioli

Andrea Maffioli


Équipe de Recherche : Turbulence & Instabilités

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Post-doc at LMFA with Fabien Godeferd

Former post-doc at KTH Mechanics in Stockholm with Erik Lindborg and Geert Brethouwer

I work on stably stratified turbulence using direct numerical simulations (DNS) and analytical tools. My research interests are in ocean processes, such as mixing of the density field in the ocean pycnocline.

For my PhD at the University of Cambridge I carried out experiments in grid-stirred salt-stratified water and DNS to investigate localized regions of stratified turbulence, which decay in time and emit internal gravity waves in the ambient fluid. Our conclusions were that the internal waves are radiated ahead of stacks of horizontally growing intrusions and that they are quasi-linear, obeying the group speed relation. They are similar to fronts found in the atmosphere and could therefore be of more general relevance.