A Wall the Grid Never Sees — IBM Delta Kernels and Multi-Direct Forcing
·8 min read
The two places no-slip leaks out of a forcing-term wall
When Pressure Rings in a Checkerboard — SIMPLE and Rhie-Chow Coupling
·5 min read
Why collocated pressure checkerboards, how Rhie-Chow fixes it, and the SIMPLE loop
The Man Who Erased Pressure — Chorin's Projection Method and Fractional Step
·5 min read
Predict an incompressible velocity, then project it back to divergence-free