原恒星吸积盘的数值模拟
首发时间:2005-12-07
摘要:这篇论文的主要目的是用流体力学方法模拟在一个原恒星的吸积盘中加入一颗行星后吸积盘的演化过程。由于背景知识的限制,我们没有对吸积盘的具体物理过程或者具体物理量进行讨论,我们把这个程序作为一种训练以及日后做深入研究的一个工具。为了保证其可靠性,我们将得到的结果与几个已经比较成熟的结果(例如.Kley 1999 )进行了比较。最后我们得出结论,我们的程序是可靠的。
关键词: 原行星 吸积盘 数值模拟
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Numerical simulation of a protostellar accrition disk
Abstract:The main purpose of this thesis is to simulate the accretion disk of a protostellar. The hydrodynamic equations for a plat, two-dimensional, non-selfgravitating protostellar accretion disk with an embedded, Jupiter sized protoplanet on a circular orbit are solved. We take this program as a tool for training and later further research. For reliability, we compared the results with some well-rounded ones (eg.Kley 1999 ), reaching that our program is reliable. Due to the constraints of background knowledge, we didn’t discuss the details of the evolution of the disk.
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