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[ascl:1502.010] nbody6tt: Tidal tensors in N-body simulations

nbody6tt, based on Aarseth's nbody6 (ascl:1102.006) code, includes the treatment of complex galactic tides in a direct N-body simulation of a star cluster through the use of tidal tensors (tt) and offers two complementary methods. The first allows consideration of any kind of galaxy and orbit, thus offering versatility; this method cannot be used to study tidal debris, as it relies on the tidal approximation (linearization of the tidal force). The second method is not limited by this and does not require a galaxy simulation; the user defines a numerical function which takes position and time as arguments, and the galactic potential is returned. The space and time derivatives of the potential are used to (i) integrate the motion of the cluster on its orbit in the galaxy (starting from user-defined initial position and velocity vector), and (ii) compute the tidal acceleration on the stars.

Code site:
https://github.com/florentrenaud/nbody6tt
Used in:
https://ui.adsabs.harvard.edu/abs/2013MNRAS.431L..83R
Described in:
https://ui.adsabs.harvard.edu/abs/2015MNRAS.448.3416R https://ui.adsabs.harvard.edu/abs/2011MNRAS.418..759R
Bibcode:
2015ascl.soft02010R
Preferred citation method:

https://ui.adsabs.harvard.edu/abs/2011MNRAS.418..759R and/or https://ui.adsabs.harvard.edu/abs/2015MNRAS.448.3416R , and a nice email is always appreciated


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ascl:1502.010
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