Posts (2)
Blog posts tagged with "Meshing"
Your CFD Mesh Doesn't Need to Copy the Geometry. But It Needs to Look Good.
Posted on August 11, 2026 by Nicolás Diego Badano
In hydraulic engineering we simulate structures whose geometry we know to a few centimeters at best, yet most meshing tools treat the CAD surface as sacred. I think the priority is inverted: cell quality should be the constraint, geometric fidelity the residual. To test this, I built a mesh generator around it from scratch.
Embedded Boundaries - From Raw STL to Free-Surface Simulation Without Meshing
Posted on July 21, 2026 by Nicolás Diego Badano
Meshing is often the most time-consuming part of a CFD project. I'm experimenting with embedded boundaries (EB): take the raw STL, drop it into a Cartesian grid, and let the solver cut the cells. The video shows a weir going from a raw STL to a running free-surface simulation without touching snappyHexMesh.
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