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astro-ph.IM2020★ 6 cited
Accelerating self-gravitating hydrodynamics simulations with adaptive force updates
Michael Y. Grudić
Many astrophysical hydrodynamics simulations must account for gravity, and evaluating the gravitational field at the positions of all resolution elements can incur significant cost…
astro-ph.IM2020★ 186 cited
STARFORGE: Toward a comprehensive numerical model of star cluster formation and feedback
Michael Y. Grudić, Dávid Guszejnov, Philip F. Hopkins +2
We present STARFORGE (STAR FORmation in Gaseous Environments): a new numerical framework for 3D radiation MHD simulations of star formation that simultaneously follow the formation…
astro-ph.IM2019★ 16 cited
A general-purpose timestep criterion for simulations with gravity
Michael Y. Grudić, Philip F. Hopkins
We describe a new adaptive timestep criterion for integrating gravitational motion, which uses the tidal tensor to estimate the local dynamical timescale and scales the timestep pr…