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Multi-scale and multi-domain computational astrophysics

机译:多尺度和多域计算天体物理学

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摘要

Astronomical phenomena are governed by processes on all spatial and temporal scales, ranging from days to the age of the Universe (13.8 Gyr) as well as from kilometre size up to the size of the Universe. This enormous range in scales is contrived, but as long as there is a physical connection between the smallest and largest scales it is important to be able to resolve them all, and for the study of many astronomical phenomena this governance is present. Although covering all these scales is a challenge for numerical modellers, the most challenging aspect is the equally broad and complex range in physics, and the way in which these processes propagate through all scales. In our recent effort to cover all scales and all relevant physical processes on these scales, we have designed the Astrophysics Multipurpose Software Environment (AMUSE). AMUSE is a Python-based framework with production quality community codes and provides a specialized environment to connect this plethora of solvers to a homogeneous problemsolvine environment.
机译:天文现象受所有时空尺度过程的控制,从天数到宇宙时代(13.8 Gyr),从公里数到宇宙的大小不等。这种巨大的尺度范围是人为设计的,但是只要最小尺度和最大尺度之间存在物理联系,就必须能够解决所有尺度,并且对于研究许多天文学现象,这种治理是存在的。尽管涵盖所有这些尺度对于数值建模者来说是一个挑战,但最具挑战性的方面是物理领域的范围同样广泛和复杂,以及这些过程在所有尺度上的传播方式。在我们最近努力涵盖​​所有规模以及这些规模上的所有相关物理过程的过程中,我们设计了Astrophysics多功能软件环境(AMUSE)。 AMUSE是具有生产质量社区代码的基于Python的框架,并提供了专门的环境来将大量求解器连接到同类的问题解决环境。

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