[santacruzgalaxy-list] fully tabulated cooling functions now available

[Britton Smith]

Hi all,

In case you didn't see this in the announcement email for Grackle 1.0,
fully tabulated cooling functions are now available in Grackle.  If you had
already implemented the non-equilibrium solver, very little work needs to
be done to update to Grackle 1.0.  The fully tabulated functionality can be
used simply by setting the parameter *primordial_chemistry* to 0.

For those who have already implemented Grackle, the following changes need
to be made:
1. The parameter *use_chemistry* has been renamed *use_grackle*.
2. The parameter *include_metal_heating* has been removed as it was
redundant with *uv_background*.
3. The function *update_UVbackground_rates* has been moved to inside
*solve_chemistry* and *calculated_cooling_time* and so does not need to be
called explicitly anymore.

For those who have not already implemented Grackle, you now have a choice
between implementing the full-featured functions that allow for the use of
the non-equilibrium chemistry solver and a set of simpler functions to use
only the fully tabulated cooling functions.  See the documentation here for
more information:
http://grackle.readthedocs.org/en/grackle-1.0/Integration.html#pure-tabulated-mode
To be clear, the full-featured functions are capable of doing either the
non-equilibrium or the fully tabulated modes.

If anyone has any questions, please don't hesitate to contact the Grackle
mailing list:
https://groups.google.com/forum/#!forum/grackle-cooling-users

Britton

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