Hydraulic jump used as a shallow-water analogue of shock instability recognized in stellar core collapse. Here, spiral mode activity results in a rotating triple point, seen in experiment (left) and reproduced in numerical simulation of 2D shallow-water equations (right). Selected for an Editors' Suggestion and a Viewpoint in Physics.
From the article:
Shallow Water Analogue of the Standing Accretion Shock Instability: Experimental Demonstration and a Two-Dimensional ModelThierry Foglizzo, Frédéric Masset, Jérôme Guilet, and Gilles Durand
Phys. Rev. Lett. 108, 051103 (2012)
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