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3 votes
1 answer
64 views

RAMSES fine multigrid Poisson solver fails to converge?

I am working on setting up N-body simulations of galaxy mergers. The initial conditions are generated from the DICE code, and looking at them, they seem very realistic. Unfortunately, when I let ...
BooleanDesigns's user avatar
5 votes
1 answer
2k views

What is Gravitational softening length?

I was reading the Aquarius simulation preprint (Springel et al. 2008) The Aquarius Project: the subhalos of galactic halos as a reference for my internship. I came across the term Gravitational ...
Sriram Ramaswamy's user avatar