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[ascl:2307.044] RUBIS: Fast centrifugal deformation program for stellar and planetary models

The centrifugal deformation program RUBIS (Rotation code Using Barotropy conservation over Isopotential Surfaces) takes an input 1D model (with spherical symmetry) and returns its deformed version by applying a conservative rotation profile specified by the user. The code needs only the density as a function of radial distance from the reference model in addition to the surface pressure to be imposed to perform the deformation; preserving the relation between density and pressure when going from the 1D to the 2D structure makes this lightness possible. By solving Poisson's equation in spheroidal rather than spherical coordinates whenever a discontinuity is present, RUBIS can deform both stellar and planetary models, thereby dealing with potential discontinuities in the density profile.

Code site:
https://github.com/pierrehoudayer/RUBIS
Described in:
https://ui.adsabs.harvard.edu/abs/2023A%26A...675A.181H
Bibcode:
2023ascl.soft07044H

Views: 748

ascl:2307.044
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