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.
Anderson, Lohn David (1995), "Computational fluid dynamics: the basics with applications", McGraw-Hill, Inc.