Elizabeth J. Tasker

TL;DR: In this paper, a comparison of grid and smoothed particle hydrodynamics (SPH) was carried out by investigating their performance in modelling interacting multiphase fluids, and it was shown that SPH introduces spurious pressure forces on particles in regions where there are steep density gradients.

TL;DR: In this paper, the formation and evolution of giant molecular clouds (GMCs) in a Milky-Way-like disk galaxy with a flat rotation curve was investigated and a series of three-dimensional adaptive mesh refinement numerical simulations were performed to follow both the global evolution on scales of ~20 kpc and resolve down to scales 10 pc with a multiphase atomic interstellar medium.

TL;DR: In this article, the formation and evolution of giant molecular clouds (GMCs) in a Milky-Way-like disk galaxy with a flat rotation curve is investigated and a series of 3D adaptive mesh refinement (AMR) numerical simulations are performed.

TL;DR: In this article, a suite of numerical problems with analytic initial and final states was used to test four commonly used astrophysical simulation codes, enzo, flash, gadget and hydra, and they demonstrated that comparable results can be obtained for Lagrangian and Eulerian codes by requiring that approximately one particle exists per grid cell in the region of interest.

TL;DR: In this paper, a grid-based hydrodynamics method is used to simulate the multiphase interstellar medium (ISM) in a quiescent Milky Way-sized disk galaxy.