[yt-dev] NumberDensity in clumps and on FLASH data

[John ZuHone]

Matt,

Getting on a plane soon but when I hit the ground in Chicago I'll have a look at it. I think I know what to do.

John

John ZuHone
Laboratory for High-Energy Astrophysics
NASA/Goddard Space Flight Center
8800 Greenbelt Rd., Code 662
Greenbelt, MD 20771
(w) 301-286-2531
(m) 773-758-0172
jzuhone at gmail.com
john.zuhone at nasa.gov

On Oct 25, 2012, at 7:09 PM, Matthew Turk <matthewturk at gmail.com> wrote:

> Hi all,
> 
> Mark Richardson wrote to the yt_analysis project with a problem with
> clumps on FLASH datasets.  Here's his email:
> 
> "Below includes my script and the output (it wouldn't let me attach
> two files). I get some output in the clump file up until I'd expect to
> see the Jeans Mass dumped. The output makes me think that it can't
> calculate this point because Gamma is unknown, or some other essential
> variable needed to get the number density. I've attempted to change
> the data_structure.py frontend for Flash to alias Gamma to gamc and
> game but I still get the 'cannot find Gamma' when loading my dataset."
> 
> The issue from the traceback is that JeansMassMsun requires
> MeanMolecularWeight which needs NumberDensity.  This can't be
> generated for his data.
> 
> I am not an expert on FLASH, but it seems that this should be
> straightforward to fix, I just don't know how.  Anybody from the FLASH
> or Clump side have any ideas?
> 
> -Matt
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