Figure 14: Pseudo-color plots of with contours of from four different general
relativistic MHD simulations. The simulations all begin with the same initial conditions, but have
different energy conservation and cooling treatments: The upper-left panel conserves internal energy
and ignores cooling; the upper-right panel conserves internal energy and includes cooling; the
lower-left panel conserves total energy and ignores cooling; the lower-right panel conserves total
energy and includes cooling. The very different end states illustrate the importance of properly
capturing thermodynamic processes. Image reproduced by permission from [101], copyright by AAS.
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