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Stochastic Lagrangian method for downscaling problems in computational fluid dynamics

Frédéric BernardinMireille BossyClaire ChauvinJean-François JabirAntoine Rousseau — 2010

ESAIM: Mathematical Modelling and Numerical Analysis

This work aims at introducing modelling, theoretical and numerical studies related to a new downscaling technique applied to computational fluid dynamics. Our method consists in building a local model, forced by large scale information computed thanks to a classical numerical weather predictor. The local model, compatible with the Navier-Stokes equations, is used for the small scale computation (downscaling) of the considered fluid. It is inspired by Pope's works on turbulence, and consists in...

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