Summary

UpdateVelocity(U1,U0,F,visc,dt)

AddForce(U1,U0,F,dt)

Diffuse(U0,U1,visc,dt)

Move(U1,U0,U0,dt)

ConserveMass(U1,dt)

Very easy to code. Only need:

Particle tracer + grid interpolator

PDE solver (FISHPAK)

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