Flow Fields
tylerxhobbs.com
tylerxhobbs.com
I've use this to great effect on the surface of a sphere to generate textures for gas giants[2]. Some example output: https://imgur.com/a/9LipP
1. https://www.cs.ubc.ca/~rbridson/docs/bridson-siggraph2007-cu... 2. https://github.com/smcameron/gaseous-giganticus
The graphical programming environment vvvv has a pack of nodes ("field trip") for manipulating these in 2D and 3D. Fun to play with, and it's been used to create many beautiful pieces.