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[ascl:1503.002] Galax2d: 2D isothermal Euler equations solver

Galax2d computes the 2D stationary solution of the isothermal Euler equations of gas dynamics in a rotating galaxy with a weak bar. The gravitational potential represents a weak bar and controls the flow. A damped Newton method solves the second-order upwind discretization of the equations for a steady-state solution, using a consistent linearization and a direct solver. The code can be applied as a tool for generating flow models if used on not too fine meshes, up to 256 by 256 cells for half a disk in polar coordinates.

Code site:
https://github.com/Someone789/galax2d
Appears in:
http://adsabs.harvard.edu/abs/2015A%26C....11...49M
Bibcode:
2015ascl.soft03002M

Views: 1778

ascl:1503.002
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