More visualisation experiments with SILCC, a project to simulate the evolution of a small section of the Milky Way's disc (https://hera.ph1.uni-koeln.de/~silcc/). This one shows the actual behaviour rather than just a simple snapshot. Unfortunately, because of the vast size of the data, only every 10th output is stored. This means the low density gas, which gets blasted by supernovae to extremely high velocities, is very hard to follow. The denser gas (shown in blue) is a bit better.
Only one component of the gas is shown here. The simulations include multiple phases of the gas (molecular, atomic, ionised, different elements, etc.) but that's for next time.
In this particular run the disc blasts itself apart. I'm guessing there's too much energy injected by the supernovae (either too many supernovae or too much energy per explosion). Other runs are much more stable.
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