Accuracy assurance in binary interaction approximation for N-Body problems

Oikawa, Shun-ichi; Goto, Masaki; Haruta, Kosuke; Kamei, Takanori

Accuracy assurance in binary interaction approximation for N-Body problems

Oikawa, Shun-ichi; Goto, Masaki; Haruta, Kosuke et al.

Plasma and Fusion Research, 2012, 7(Special Issue 1), 2401103-1-2401103-4

Permalink : https://hdl.handle.net/2115/49710

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アクセス権	open access
URI	https://hdl.handle.net/2115/49710
タイトル	Accuracy assurance in binary interaction approximation for N-Body problems
著者	Oikawa, Shun-ichi ; Goto, Masaki ; Haruta, Kosuke ; Kamei, Takanori
e-Rad_Researcher 40152029 著者名 Oikawa, Shun-ichi
著者名 Goto, Masaki
著者名 Haruta, Kosuke
著者名 Kamei, Takanori
言語	英語
キーワード	binary interaction approximation
	N-body problem
	accuracy assurance
	variable time step scheme
	error tolerance adjustment
	Runge-Kutta-Fehlberg
発行日	2012-07
出版者	The Japan Society of Plasma Science and Nuclear Fusion Research
収録物名	Plasma and Fusion Research
巻(号)	7(Special Issue 1)
ページ	2401103-1-2401103-4
記述	This article is based on the presentation at the 21st International Toki Conference (ITC21)
抄録	Two accuracy assurance schemes are combined into the Binary Interaction Approximation (BIA) to N-body problems. The first one is a sort of variable time step (VTS) scheme for a given error tolerance. Since this scheme sometimes does not converge, an error-tolerance-adjusting (ETA) scheme is also introduced. With these two schemes combined into the original BIA, a significant improvement in terms of numerical error is obtained.
資源タイプ	学術雑誌論文
出版タイプ	Version of Record
権利情報	Copyright The Japan Society of Plasma Science and Nuclear Fusion Research
EISSN	1880-6821
NCID	AA12346675
関連情報	URI http://www.jspf.or.jp/PFR/index.html
関連情報 (isIdenticalTo)	出版社版DOI https://doi.org/10.1585/pfr.7.2401103