During the freefem days and all during teaching sessions, I solve of Boussinessq Equation
(Inccompressible Navier Stokes with temperature) to see Rayleigh-Bernard instability.
The Non linear Part is done with Fixe-Point and Newton iteration method,
And I use BDF 3 schema for the time integration.
Rayleigh-Benard-time.edp (3.9 KB)