Hey guys,

I think Matt's right that pf['CosmologyHubbleConstantNow'] is simply taking what the parameter file is giving us, and that it's a good thing.

When I implemented Cosmology.py and EnzoCosmology.py, I basically rewrote in python stuff that already existed.  EnxoCosmology.py, being taken from enzo, originally did accept h [100 km/s/Mpc] (as opposed to H_0).  Cosmology.py, on the other hand, took H_0.  I figured it was important to standardize the input to those two sets of functions.  Cosmology.py seemed a little more complicated, and I figured I had a higher chance of screwing it up, so I chose to change EnzoCosmology.py.  It would be nice to have them consistent with the h that comes in from the parameter file, but if we do that, we'll need to be careful to fix everything that uses the cosmology functions so they aren't suddenly wrong.

Britton

On Sat, Jun 20, 2009 at 12:48 PM, Stephen Skory <stephenskory@yahoo.com> wrote:
Matt,


> I have a copy of RedshiftOutput0005.  In mine, there are some
> parameters that seem a bit funny to me:
>
> InitialTime         = 646.75066015177

It might be a different RedshiftOutput0005 than what you have. I think InitialTime refers to the cycle for that dataset. I don't think it's fishy. For example, from a different dataset:

[sskory@verne survey]$ foreach i (DD*/data*)
foreach? grep InitialTime $i
foreach? end
InitialTime         = 0.81651284465961
InitialTime         = 1.2741637312563
InitialTime         = 1.9883238421406
InitialTime         = 3.1027599882949
InitialTime         = 4.8418044994485
InitialTime         = 7.464802895355
InitialTime         = 11.648264071303
InitialTime         = 18.175065018436
InitialTime         = 27.945394051119
InitialTime         = 43.581158022495
InitialTime         = 67.695134170423
InitialTime         = 101.45404286018
InitialTime         = 129.59928291401
InitialTime         = 157.03350432859
InitialTime         = 184.17683070338
InitialTime         = 212.12926974512
InitialTime         = 243.14353477255
InitialTime         = 274.89130484285
InitialTime         = 305.4742180402
InitialTime         = 338.66066939377
InitialTime         = 374.32728867835
InitialTime         = 409.95705670969
InitialTime         = 447.42033595621
InitialTime         = 489.45246826074
InitialTime         = 531.35505518638
InitialTime         = 574.17300563856
InitialTime         = 622.77569114368
InitialTime         = 646.75066015177


> Can you tell us a bit more about this particular simulation and how
> you initialized it?

I did this a few years ago just testing some star formation parameters. I've attached the inits and parameter file.


 _______________________________________________________
sskory@physics.ucsd.edu           o__  Stephen Skory
http://physics.ucsd.edu/~sskory/ _.>/ _Graduate Student
________________________________(_)_\(_)_______________

_______________________________________________
Yt-dev mailing list
Yt-dev@lists.spacepope.org
http://lists.spacepope.org/listinfo.cgi/yt-dev-spacepope.org