FLASH is a 3d astrophysics code designed to simulate X-ray bursts, novae and supernovae. It is being developed at the University of Chicago as part of the Department of Energy's Advanced Strategic Computing Initiative (ASCI). Shown here are some results using this code.
The simulation is part of an effort to validate the FLASH code by comparing it to laboratory experiments. Shown bewlow are the results of a simulation of a layered, 3 material (copper, polymide plastic, and carbonized resorcinol formaldehyde foam) target being hit by a shock. The copper initially has a sinusoidal shape milled into one of its interfaces. As the shock propagates through this interface it excites Richtmeyer-Meshkov instabilities. The figures show the numerical experiment at a time well after the shock wave has passed through the interfaces between the three materials. The first panel shows the entire computational area. The second panel shows a blow-up of one of the Richtmyer-Meshkov fingers. Images are courtesy of Alan Calder (University of Chicago) and the FLASH center.
The simulation shown here is of an X-ray burst caused by a Helium detonation on the surface of neutron star. The top image is of the density at 120 microseconds after the initiation of the explosion. The second image is the same, but shows the PARAMESH blocks. For information follow this link. Images are courtesy of Mike Zingale (University of California, Santa Cruz).
The simulation shown here is of cosmological stucture formation using a specially designed version of FLASH enabling cosmological simulation. The images show a volume rendering of a 256^3 particle simulation in the LCDM cosmology. Images are courtesy of Paul Ricker (NCSA and University of Illinois).
The simulation shown here is of the interaction of a fast, tenuous steller wind interacting with a warped disk of denser material sorrounding the star. link to get more information. Click on the image to play a movie of the simulation.
