蒙特卡罗光电离和移动网格辐射流体力学程序CMacIonize
The Monte Carlo photoionization and moving-mesh radiation hydrodynamics code CMacIonize
摘要：
我们提出了公开的Monte Carlo光电离和移动网格辐射流体动力学代码CMacIonize，它可以用来模拟周围的年轻O和B星，或其他电离辐射源的HII区域的自洽演化。该代码结合了蒙特卡罗光电离算法，该算法使用氢，氦和几种冷却剂的复杂混合物，以便在任何给定类型下自洽地求解电离和温度平衡，并具有标准的一阶流体动力学方案。该代码可以作为后处理工具运行，以从现有的模拟快照中获得线发射，但也可以用于运行全辐射流体动力学模拟。辐射传输和流体动力学都是以一种通用的方式实现的，这种方式独立于用于离散系统的网格结构，允许它既作为标准的固定网格代码运行，也作为移动网格代码运行。
英文摘要：
We present the public Monte Carlo photoionization and moving-mesh radiation hydrodynamics code CMacIonize, which can be used to simulate the self-consistent evolution of HII regions surrounding young O and B stars, or other sources of ionizing radiation. The code combines a Monte Carlo photoionization algorithm that uses a complex mix of hydrogen, helium and several coolants in order to self-consistently solve for the ionization and temperature balance at any given type, with a standard first order hydrodynamics scheme. The code can be run as a post-processing tool to get the line emission from an existing simulation snapshot, but can also be used to run full radiation hydrodynamical simulations. Both the radiation transfer and the hydrodynamics are implemented in a general way that is independent of the grid structure that is used to discretize the system, allowing it to be run both as a standard fixed grid code, but also as a moving-mesh code.
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