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GearFlow

Built at Meta Global AI Developer Hackathon · Oct 26, 2026 · Remote

GearFlow — Demo video

GearFlow is an agentic interface for computational fluid dynamics. Describe the simulation you want, and an agent sets it up, runs it, and explains the results. Traditional CFD tools are powerful, but setting up a simulation takes hours of meshing, solver configuration, and plotting before any insight appears. Students can ask questions and receive instant visual feedback with physics explanations. Engineers can test simple ideas without wasting compute resources on expensive simulations. GearFlow simplifies setup to a sentence. Type "Set up an airfoil naca 2415 at angle of attack 6" and an agent builds the case live: airfoils, cylinder wakes, square blocks, orifice constrictions, with pressure, velocity, and lift reading out beside the field. The "Physics Agent" explains what changed, why, and what to try next in plain language. The demo is the agentic loop itself: describe the physics you want, the agent sets it up, runs it, and explains it. The current solver is a 2D inviscid estimation; Planned next steps is a built-in viscous solver that the agent drives end to end for real CFD simulations.

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