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astro-ph.IM2026
Modified-gradient methods for exact divergence-free in meshless magnetohydrodynamics
Xiongbiao Tu, Qiao Wang, Liang Gao +1
We present a novel gradient regularization to completely eliminate the magnetic divergence error in meshless magnetohydrodynamics (MHD), which offers a high spatial resolution and…
astro-ph.IM2022
Symplectic Integrators in Corotating Coordinates
Xiongbiao Tu, Qiao Wang, Yifa Tang
The dynamic equation of mass point in rotating coordinates is governed by Coriolis and centrifugal force, besides a corotating potential relative to frame. Such a system is no long…