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61958010.pdf1.67 MB
title有限差分法における保存型空間メトリックの空間対称性と幾何学的解釈
Other TitleGeometric interpretations and spatial symmetry property of metrics in conservative form for high-order finite difference scheme
Author(jpn)阿部, 圭晃; 飯塚, 宣行; 野々村, 拓; 藤井, 孝藏
Author(eng)Abe, Yoshiaki; Iizuka, Nobuyuki; Nonomura, Taku; Fujii, Kozo
Author Affiliation(jpn)東京大学; 東京大学; 宇宙航空研究開発機構宇宙科学研究所(JAXA)(ISAS); 宇宙航空研究開発機構宇宙科学研究所(JAXA)(ISAS)
Author Affiliation(eng)The University of Tokyo; The University of Tokyo; Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency (JAXA)(ISAS); Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency (JAXA)(ISAS)
Issue Date2013-03-29
Publisher宇宙航空研究開発機構(JAXA)
Japan Aerospace Exploration Agency (JAXA)
Publication title宇宙航空研究開発機構特別資料
JAXA Special Publication: Proceedings of 44th Fluid Dynamics Conference / Aerospace Numerical Simulation Symposium 2012
VolumeJAXA-SP-12-010
Start page55
End page60
Publication date2013-03-29
Languagejpn
eng
AbstractWhen the body-fitted coordinate system is adopted, some discretized forms of transform metrics break the freestream preservation which is so-called geometric conservation law (GCL). The GCL identities consist of surface closure law (SCL) and SCL) and volume conservation law (VCL), and the SCL identity is focused. One of the techniques for the discretization of spatial metrics is to rewrite the analytical expression of spatial metrics into asymmetric-conservative forms proposed by Thomas and Lombard, which are extended into symmetricconservative forms by Vinokur and Yee. In this research, we present the geometrical meanings of discretized symmetric-conservative forms with the use of any higher-order finite difference method.
Description会議情報: 第44回流体力学講演会/航空宇宙数値シミュレーション技術シンポジウム2012 (2012年7月5日-6日. 富山国際会議場大手町フォーラム), 富山市, 富山県
形態: カラー図版あり
Meeting Information: 44th Fluid Dynamics Conference / Aerospace Numerical Simulation Symposium 2012 (July 5-6, 2012. Toyama International Conference Center), Toyama Japan
Physical characteristics: Original contains color illustrations
Document TypeConference Paper
JAXA Category特別資料
ISSN1349-113X
NCIDAA11984031
SHI-NOAA0061958010
Report NoJAXA-SP-12-010
URIhttps://repository.exst.jaxa.jp/dspace/handle/a-is/13993


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