Courant–Friedrichs–Lewy condition
From CFD-Wiki
It is an important stability criterion for hyperbolic equations.
In common case it's written as
| (2) |
where C is called the Courant number
Courant, R., K. O. Fredrichs, and H. Lewy (1928), "Uber die Differenzengleichungen der Mathematischen Physik", Math. Ann, vol.100, p.32, 1928.