NIO announced a new partnership with Flexcompute to accelerate advancements in EV aerodynamics. By integrating Flexcompute’s GPU-native solvers into its engineering process, NIO aims to optimize airflow, reduce drag, and improve energy efficiency across its lineup of electric vehicles.
“I’m very impressed by the speed and accuracy of Flow360. The CFD solver has produced consistently accurate results vs. our Wind Tunnel experiments on a variety of vehicle types from small sedans to large SUVs,” said Principal Chief Engineer and Head of Advanced Technologies at NIO Danilo Teobaldi. “What used to take hours or days to solve is now done in minutes. Flow360 is becoming an integral part of our future product development plans.”
Validated Results and Real-World Impact
NIO validated over 60 simulation cases using Flow360 on sedans and SUVs. It reported:
- 94%+ Accuracy: Over 94% of simulations deviated by less than 3% from wind tunnel results.
- 10–100x Faster Simulations: Simulations finish in under an hour on an 8L20 system and in just 10 minutes on an 8 H200 system.
- 60% Lower Costs per Run: Flow360’s efficiency significantly reduces development timelines and physical testing needs.
Addressing Both EV Aerodynamics and Aeroacoustics
Beyond drag reduction, Flow360 also supports accurate aeroacoustic modeling through the Ffowcs Williams–Hawkings (FWH) method. NIO engineers now simulate wind noise at the source, helping design quieter EV cabins. Validations show close alignment with pressure measurements on driver-side windows, aiding refinement in cabin noise levels.
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