I’m an engineer who writes numerical simulation and CAD/EDA software. This blog is where I put stuff I’ve learned that might be interesting or helpful to others.

The picture at the top of my blog is from a paper called “Fractal Kelvin–Helmholtz breakups” by Jérôme Fontane, Laurent Joly, and Jean N. Reinaud, from Physics of Fluids 20, 091109 (2008).

A Kelvin-Helmholtz instability like the one in the picture forms when two fluids shear past each other along a boundary. The boundary starts off as a straight line, but gradually develops those curls you see in the picture. They show up all over the place in nature — you can even see them between the bands in Jupiter’s atmosphere!


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