Simulation data and processed outputs for "Mass Transport and Turbulence in Gravitationally Unstable Disk Galaxies. I: The Case of Pure Self-Gravity"

This dataset contains three isolated galaxy simulations produced by the Enzo adaptive mesh refinement hydrodynamics code. Each simulations consists of 600 discrete snapshots, written at intervals of 1 million years in simulation time. The simulations include a live N-body dark matter halo and stellar disk, as well as a gaseous disk computed an an adaptively refined mesh. Physical processes in the simulation include self-gravity, cooling (including cooling due to metal line emission), hydrodynamics, and star formation. There is no prescription for star formation feedback. The initial conditions were created to emulate the Milky Way galaxy whenever possible. The simulations vary in their initial gas fraction. The simulations were performed on the NASA Pleiades supercomputer and the Hyades cluster at UC Santa Cruz.

本数据集包含三套由Enzo自适应网格细化流体动力学代码生成的孤立星系模拟结果。每套模拟包含600个离散快照，快照输出间隔为模拟时间100万年。模拟体系包含活动的N体暗物质晕与恒星盘，以及在自适应细化网格上计算得到的气体盘。模拟涵盖的物理过程包括自引力、冷却（含金属线辐射致冷）、流体动力学与恒星形成。该模拟未设置恒星形成反馈的预设机制。初始条件的设置尽可能复刻银河系的相关参数。各模拟的初始气体丰度存在差异。本系列模拟依托美国国家航空航天局（NASA）的昴星团超级计算机，以及加州大学圣克鲁兹分校的Hyades集群完成。