TreePM method for two-dimensional cosmological simulations

被引：2
|
作者：
Ray, S [1 ]
机构：
[1] Harish Chandra Res Inst, Allahabad 211019, Uttar Pradesh, India
来源：
JOURNAL OF ASTROPHYSICS AND ASTRONOMY | 2004年 / 25卷 / 3-4期
关键词：
gravitation; methods : numerical; cosmology : large scale structure of the universe;
D O I：
10.1007/BF02702367
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
We describe the two-dimensional TreePM method in this paper. The 2d TreePM code is an accurate and efficient technique to carry out large two-dimensional N-body simulations in cosmology. This hybrid code combines the 2d Barnes and Hut Tree method and the 2d Particle-Mesh method. We describe the splitting of force between the PM and the Tree parts. We also estimate error in force for a realistic configuration. Finally, we discuss some tests of the code.
引用
收藏
页码：103 / 113
页数：11
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