[FLASH-USERS] How does FLASH3 calculate temperatures for checkpoint and plot dumps?
Dave
david.john.williamson at gmail.com
Fri Dec 16 13:37:41 EST 2011
Hi,
When examining the checkpoint file from a simple test run of a galaxy,
I'm finding that the pres and dens values are what I expect, but the
temp values seem to be way off. In an (unrealistic) supposedly
isothermal test, the outer parts of the galaxy are ~10^7 K, as they
should be, but there is a sharp discontinuity in the centre, where the
temperature drops to ~10^7 K, according to the temp scalar - even though
the pres and dens values are what they should be.
I'm trying to track down where in Flash the temperature is calculated
from internal energy etc for output, to determine if this is just being
dumped out wrong, or if the internal energy itself is wrong. Any idea
where that goes on?
Cheers,
-David
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