[yt-users] Gravitational Boundedness with Gas and Particles

[Jason Galyardt]

Hi all,

I'd like to use the yt clump finder to identify gravitationally bound
clumps. However, my FLASH simulation includes both gas (on the mesh) and
massive particles. I would like to use both of these gravitational sources
in the determination of boundedness, but it's not clear to me that the
current implementation of gravitational_binding_energy() in
yt/utilities/lib/misc_utilities.pyx does this. I suspect that it would be
relatively straightforward to add the ('deposit', 'io_mass') field to the
gravitational_binding_energy() function, but I'm not entirely sure how to
access this field in a safe manner in Cython.

Has anyone already solved this problem?

Thanks,
Jason

-----
Jason Galyardt
University of Georgia
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