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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…
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…
STARFORGE: The effects of protostellar outflows on the IMF
Dávid Guszejnov, Michael Y. Grudić, Philip F. Hopkins +2
The initial mass function (IMF) of stars is a key quantity affecting almost every field of astrophysics, yet it remains unclear what physical mechanisms determine it. We present th…
The mass budget for intermediate-mass black holes in dense star clusters
Yanlong Shi, Michael Y. Grudić, Philip F. Hopkins
Intermediate-mass black holes (IMBHs) could form via runaway merging of massive stars in a young massive star cluster (YMC). We combine a suite of numerical simulations of YMC form…
A model for the formation of stellar associations and clusters from giant molecular clouds
Michael Y. Grudić, J. M. Diederik Kruijssen, Claude-André Faucher-Giguère +4
We present a large suite of MHD simulations of turbulent, star-forming giant molecular clouds(GMCs) with stellar feedback, extending previous work by simulating 10 different random…
Pressure balance in the multiphase ISM of cosmologically simulated disk galaxies
Alexander B. Gurvich, Claude-André Faucher-Giguère, Alexander J. Richings +13
Pressure balance plays a central role in models of the interstellar medium (ISM), but whether and how pressure balance is realized in a realistic multiphase ISM is not yet well und…
Can magnetized turbulence set the mass scale of stars?
David Guszejnov, Michael Y. Grudić, Philip F. Hopkins +2
Understanding the evolution of self-gravitating, isothermal, magnetized gas is crucial for star formation, as these physical processes have been postulated to set the initial mass…