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titleMultipole Analysis による超音速飛翔体の近傍場波形の改善
Other TitleImprovement of near-field waveform from supersonic vehicle using multipole analysis
Author(jpn)金森, 正史; 橋本, 敦; 青山, 剛史; 牧野, 好和; 石川, 敬掲; 山本, 雅史; 飯村, 拓哉
Author(eng)Kanamori, Masashi; Hashimoto, Atsushi; Aoyama, Takashi; Makino, Yoshikazu; Ishikawa, Hiroaki; Yamamoto, Masafumi; Iimura, Takuya
Author Affiliation(jpn)宇宙航空研究開発機構航空本部数値解析技術研究グループ(JAXA); 宇宙航空研究開発機構航空本部数値解析技術研究グループ(JAXA); 宇宙航空研究開発機構航空本部数値解析技術研究グループ(JAXA); 宇宙航空研究開発機構航空本部機体システム研究グループ(JAXA); 三向ソフトウェア開発; 計算力学研究センター; 菱友システムズ
Author Affiliation(eng)Numerical Simulation Research Group, Institute of Aeronautical Technology, Japan Aerospace Exploration Agency (JAXA); Numerical Simulation Research Group, Institute of Aeronautical Technology, Japan Aerospace Exploration Agency (JAXA); Numerical Simulation Research Group, Institute of Aeronautical Technology, Japan Aerospace Exploration Agency (JAXA); Aircraft Systems Research Group, Institute of Aeronautical Technology, Japan Aerospace Exploration Agency (JAXA); Sanko Software; Research Center of Computational Mechanics, Inc. (RCCM); Ryoyu Systems, Co., Ltd
Issue Date2014-03-31
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: 第45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2013論文集
JAXA Special Publication
VolumeJAXA-SP-13-011
Start page13
End page18
Publication date2014-03-31
Languagejpn
eng
AbstractThe method for predicting sonic boom consists basically on the combination of the computational fluid dynamics(CFD) analyses on the near-field and waveform propagation analyses on the far-field. It is, however, a tough work to conduct CFD analyses in order to obtain accurate initial conditions for estimating far-field waveform. For a vehicle with complex geometry, several lengths of the vehicle must be calculated with CFD analysis, which is unfavorable from a view point of computational costs. The multipole analysis technique is one of the solutions of this problem. In the analysis, near-field waveforms are modified so as to attenuate only in the circumferential direction, which is available by introducing the distributions of multipoles. As a result, a far-field waveform becomes independent of the location where the initial condition is obtained
Description会議情報: 第45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2013 (2013年7月4日-5日. タワーホール船堀), 東京
形態: カラー図版あり
Meeting Information: 45th Fluid Dynamics Conference / Aerospace Numerical Simulation Symposium 2013 (July 4-5, 2013. Tower Hall Funabori), Tokyo, Japan
Physical characteristics: Original contains color illustrations
Document TypeConference Paper
JAXA Category特別資料
NASA Subject CategoryAerodynamics
ISSN1349-113X
NCIDAA11984031
SHI-NOAA0062268003
Report NoJAXA-SP-13-011
URIhttps://repository.exst.jaxa.jp/dspace/handle/a-is/14917


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