The Fluid Simulator That Doesn’t Solve the Fluid Equations
You’ve seen this pattern trailing behind bridge pillars, airplane wings, and chimney stacks. It’s one of the most recognizable phenomena in fluid dynamics. I generated it without solving a single fluid equation.
- ▪You’ve seen this pattern trailing behind bridge pillars, airplane wings, and chimney stacks.
- ▪It’s one of the most recognizable phenomena in fluid dynamics.
- ▪I generated it without solving a single fluid equation.
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Physics The Fluid Simulator That Doesn’t Solve the Fluid Equations A hands-on Lattice Boltzmann Method tutorial: from statistical mechanics and kinetic theory to a C++ implementation and supercomputer scaling Ferran Alia Jul 25, 2026 13 min read Share Image generated with Gemini The image above shows a Kármán vortex street (the alternating swirls that form behind any blunt object in fast-moving flow). You’ve seen this pattern trailing behind bridge pillars, airplane wings, and chimney stacks. It’s one of the most recognizable phenomena in fluid dynamics. I generated it without solving a single fluid equation.
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