一个新的银河系宇宙射线三维输运和辐射程序
A new 3D transport and radiation code for galactic cosmic rays
摘要：
我们展示了一种新的方法对银河系宇宙射线传播的全面和一致的模拟的必要性。我们的发展是优化的空间三维非均匀扩散问题，并利用当代数值方法。我们的目标是在一个完整的三维环境中解决运输问题。为此，我们在现有的传播代码中测试从2D到3D的过渡模拟结果。我们提出了次千秒差距尺度的模拟，允许调查的小尺度结构关于不同的模型条件下，如品种关于非轴对称宇宙射线源分布。这些结果进行了认真的讨论，并激励我们开发一个新的银河系宇宙射线的传输代码。概述了此代码的功能。
英文摘要：
We show the necessity for a new approach towards comprehensive and consistent simulations of the propagation of galactic cosmic rays. Our developments are optimised for addressing the spatially 3-dimensional inhomogeneous diffusion problem and utilise contemporary numerical methods. We aim to address the transport problem in a full 3-dimensional environment. For that, we test the transition from 2D to 3D simulation results within an existing propagation code. We present sub-kpc scale simulations that allow the investigation of small- scale structures regarding different model conditions such as variety regarding non-axisymmetric cosmic ray source distributions. These results are discussed critically and motivate our development of a new transport code for galactic cosmic rays. The capabilities of this code are outlined.
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