Astronomy and Astrophysics – Astrophysics
Scientific paper
Nov 2009
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009sf2a.conf...69p&link_type=abstract
SF2A-2009: Proceedings of the Annual meeting of the French Society of Astronomy and Astrophysics, held 29 June - 4 July 2009 in
Astronomy and Astrophysics
Astrophysics
Scientific paper
The current practices of modeling the dynamics of galaxies can be
projected for the next decade. The exponential growth of computer
capabilities has reached a threshold where the particle
representation is a superior way to capture subtleties of galactic
dynamics than Boltzmann's perfect phase-space fluid representation.
The up-to-now often neglected departures of strict symmetries and
time invariance of the actual Milky-Way, and the impact on dynamics
of stellar physics will need to be modeled in more detail in order
to match the observational data and extract more information of it
. This will be possible with the coming generation of computers
which will allow to represent each individual star of a galaxy.
Modeling the interstellar medium will remain a difficult problem for
more time though.
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