Binary Interaction Approximation to N-Body Problems
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概要
- 論文の詳細を見る
The binary interaction approximation (BIA) to N-body problems is proposed. The BIA conserves total linear momenta in principle. Other invariants, such as the total angular momentum and total energy, are conserved to at least 12 effective digits for a two-dimensional hydrogen plasma of T = 10 keV and n = 10^[20] m^[-3]. For such a plasma, the total CPU time of the BIA is found to scale as approximately N^[1.9], while the conventional direct integration method scales as approximately N^[3].
- Japan Society of Plasma Science and Nuclear Fusion Researchの論文
著者
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Oikawa Shun-ichi
Graduate School Of Engineering Hokkaido Univ. Sapporo 060-8628 Jpn
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Funasaka Hideo
Graduate School Of Engineering Hokkaido Univ. Sapporo 060-8628 Jpn
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