I'm learning to use the FLASH hydrodynamics code to simulate galaxies. I'm starting with a deliberately silly test - a uniform density cylinder moving in a dense medium. It stops moving almost immediately and then a bunch of funky fluid-stuff happens. Rendered in Blender.
Tuesday, 1 July 2014
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Of course you can prove a negative. In one sense this can be the easiest thing in the world : your theory predicts something which doesn...
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In the last batch of simulations, we dropped a long gas stream into the gravitational potential of a cluster to see if it would get torn... -
And more importantly, how not to build a galaxy. Uniform discs of pure gas turn out to be almost impossible. Exponential discs - where ther...
Ron Fischer says that looks suspiciously like an Orion pusher plate
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