Recent content by Navier-Stokes

This is a plot for understanding the stability of flows through the orr sommerfeld equation. However, I find it really hard to understand. The plot by itself is a little weird, what is it trying to convey?

I'm finding it a bit too confusing to imagine how it actually would look like. But once I understand that, I'd easily be able to solve the problem! link: http://i.imgur.com/DApJzGx.jpg The attempt at a solution: I'm thinking that the dotted line might be the place where the gears mesh...