Papers › U-net architectures for fast prediction of incompressible laminar flows

U-net architectures for fast prediction of incompressible laminar flows

25 Oct 2019arXiv:1910.13532links table onlyarchive 2025-07-28

Junfeng Chen, Jonathan Viquerat, Elie Hachem

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Machine learning is a popular tool that is being applied to many domains, from computer vision to natural language processing. It is not long ago that its use was extended to physics, but its capabilities remain to be accurately contoured. In this paper, we are interested in the prediction of 2D velocity and pressure fields around arbitrary shapes in laminar flows using supervised neural networks. To this end, a dataset composed of random shapes is built using Bezier curves, each shape being labeled with its pressure and velocity fields by solving Navier-Stokes equations using a CFD solver. Then, several U-net architectures are trained on the latter dataset, and their predictive efficiency is assessed on unseen shapes, using ad hoc error functions.

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jviquerat/U-net_laminar_flow mentioned on GitHub report
jviquerat/bezier_shapes mentioned on GitHubMIT report
jviquerat/bshapes mentioned on GitHubMIT report

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