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搭載宇宙機の音響構造連成解析手法に関する研究
https://jaxa.repo.nii.ac.jp/records/5626
https://jaxa.repo.nii.ac.jp/records/5626f1370811-83c3-402b-94ed-2ee5edfaa84c
名前 / ファイル | ライセンス | アクション |
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63742020.pdf (1.6 MB)
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Item type | 会議発表論文 / Conference Paper(1) | |||||
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公開日 | 2015-03-26 | |||||
タイトル | ||||||
タイトル | 搭載宇宙機の音響構造連成解析手法に関する研究 | |||||
言語 | ||||||
言語 | jpn | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | リフトオフ | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | ロケット打上げ | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 衛星打上げ | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | フェアリング | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 騒音予測 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 音響負荷 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 音響振動 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 構造振動 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 波動ベース法 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 有限要素法 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 音圧 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 空力音響学 | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | liftoff | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | rocket launching | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | satellite launching | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | fairing | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | noise prediction | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | acoustic load | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | acoustic vibration | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | structural vibration | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | wave based method | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | finite element method | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | sound pressure | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | aeroacoustics | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_5794 | |||||
資源タイプ | conference paper | |||||
その他のタイトル(英) | ||||||
その他のタイトル | Study on coupled structural-acoustic analysis for spacecraft | |||||
著者 |
高橋, 孝
× 高橋, 孝× 村上, 桂一× 青山, 剛史× 相曽, 秀昭× Takahashi, Takashi× Murakami, Keiichi× Aoyama, Takashi× Aiso, Hideaki |
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著者所属 | ||||||
宇宙航空研究開発機構 総合技術研究本部 計算科学研究グループ | ||||||
著者所属 | ||||||
宇宙航空研究開発機構 総合技術研究本部 計算科学研究グループ | ||||||
著者所属 | ||||||
宇宙航空研究開発機構 総合技術研究本部 計算科学研究グループ | ||||||
著者所属 | ||||||
宇宙航空研究開発機構 総合技術研究本部 計算科学研究グループ | ||||||
著者所属(英) | ||||||
en | ||||||
Japan Aerospace Exploration Agency Computational Science Research Group, Institute of Aerospace Technology | ||||||
著者所属(英) | ||||||
en | ||||||
Japan Aerospace Exploration Agency Computational Science Research Group, Institute of Aerospace Technology | ||||||
著者所属(英) | ||||||
en | ||||||
Japan Aerospace Exploration Agency Computational Science Research Group, Institute of Aerospace Technology | ||||||
著者所属(英) | ||||||
en | ||||||
Japan Aerospace Exploration Agency Computational Science Research Group, Institute of Aerospace Technology | ||||||
出版者 | ||||||
出版者 | 宇宙航空研究開発機構 | |||||
出版者(英) | ||||||
出版者 | Japan Aerospace Exploration Agency (JAXA) | |||||
書誌情報 |
宇宙航空研究開発機構特別資料: 第39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2007論文集 en : JAXA Special Publication: Proceedings of 39th Fluid Dynamics Conference/Aerospace Numerical Simulation Symposium 2007 巻 JAXA-SP-07-016, p. 125-130, 発行日 2008-02-29 |
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抄録(英) | ||||||
内容記述タイプ | Other | |||||
内容記述 | This paper focuses on numerical prediction approaches for steady-state coupled interior vibro-acoustic problems, especially for spacecraft structural vibrations by acoustic loads with the wide frequency range acted during the liftoff. Lightweight and large area structures, such as solar arrays and antenna dishes, and some components with relatively high natural frequencies are sensitive to acoustic loads. Numerical prediction of vibro-acoustic responses enables us to partially cover the ground acoustic tests, and is therefore quite important to design and develop reliable spacecraft. For spacecraft vibro-acoustic simulations, there are deterministic prediction techniques such as Finite Element Method (FEM) and Boundary Element Method (BEM) applicable in the low frequency range, and statistical ones such as Statistical Energy Analysis (SEA) in the high frequency range. However, there generally exists mid-frequency range where no mature numerical methods are applicable. In this paper, a novel deterministic prediction method called the Wave Based Method (WBM) is applied to obtain detailed responses in vibro-acoustic analysis of spacecraft. Then we consider two simple models, an uncoupled acoustic model with a single cavity, and a coupled vibro-acoustic model with a spacecraft and a payload fairing. Using a two-dimensional WBM code developed in this study and commercial FEM software, these models are solved to compare the results. The results show that FEM is limited to apply in low frequency range, and WBM is quite practical and has high potential for the vibro-acoustic analysis with the wide frequency range. | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 1349-113X | |||||
書誌レコードID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA11984031 | |||||
資料番号 | ||||||
内容記述タイプ | Other | |||||
内容記述 | 資料番号: AA0063742020 | |||||
レポート番号 | ||||||
内容記述タイプ | Other | |||||
内容記述 | レポート番号: JAXA-SP-07-016 |