RealPDE: a NeurIPS competition on real flow measurements

The RealPDE competition, in the NeurIPS 2026 competition track and led by Tailin Wu of Westlake University, asks models to predict real fluid flow rather than simulated flow. Its dataset pairs PIV measurements with 3D CFD of a NACA 4418 airfoil, 100 trajectories of about 600 steps over 0–20° angle of attack, with two tracks: sim-to-real transfer and long-horizon prediction that adapts to streaming observations. Final results were due on 17 October, and the winners present at NeurIPS in Sydney on 11 December and must open-source their code.

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