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波動ベース法による音響透過解析
https://jaxa.repo.nii.ac.jp/records/5417
https://jaxa.repo.nii.ac.jp/records/541733ac65e6-4cd4-4e64-a2d0-a2c7df15b4e2
名前 / ファイル | ライセンス | アクション |
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64303015.pdf (1.2 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 | 波動ベース法による音響透過解析 | |||||
言語 | ||||||
言語 | jpn | |||||
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 | Sound Transmission Analysis Using the Wave Based Method | |||||
著者 |
高橋, 孝
× 高橋, 孝× 村上, 桂一× 青山, 剛史× 金田, 英和× Takahashi, Takashi× Murakami, Keiichi× Aoyama, Takashi× Kaneda, Hidekazu |
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著者所属 | ||||||
宇宙航空研究開発機構研究開発本部 | ||||||
著者所属 | ||||||
宇宙航空研究開発機構研究開発本部 | ||||||
著者所属 | ||||||
宇宙航空研究開発機構研究開発本部 | ||||||
著者所属 | ||||||
計算力学研究センター | ||||||
著者所属(英) | ||||||
en | ||||||
Aerospace Research and Development Directorate, Japan Aerospace Exploration Agency (JAXA) | ||||||
著者所属(英) | ||||||
en | ||||||
Aerospace Research and Development Directorate, Japan Aerospace Exploration Agency (JAXA) | ||||||
著者所属(英) | ||||||
en | ||||||
Aerospace Research and Development Directorate, Japan Aerospace Exploration Agency (JAXA) | ||||||
著者所属(英) | ||||||
en | ||||||
Research Center of Computational Mechanics | ||||||
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40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2008論文集 en : JAXA Special Publication: Proceedings fo 40th Fluid Dynamics Conference / Aerospace Numerical Simulation Symposium 2008 巻 JAXA-SP-08-009, 発行日 2009-02-27 |
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会議概要(会議名, 開催地, 会期, 主催者等) | ||||||
内容記述タイプ | Other | |||||
内容記述 | 第40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2008. 会期: 2008年6月12日-6月13日. 会場: 東北大学片平キャンパス | |||||
抄録(英) | ||||||
内容記述タイプ | Other | |||||
内容記述 | This paper focuses on sound transmission analysis with wide frequency range. In general, spacecraft are exposed to high acoustic pressure transmitted through payload fairings. Therefore, numerical prediction of vibroacoustic response with wide frequency range is quite important to design and develop reliable spacecraft and launch vehicles. Computational Fluid Dynamics (CFD) based on the finite volume methods etc. is sometimes used to predict unsteady acoustic environment with low frequency range at the launch site. As for steady-state vibroacoustic analysis in the low frequency range, the Finite Element Method (FEM) and Boundary Element Method (BEM) are often used. On the other hand, Statistical Energy Analysis (SEA) is applied in the high frequency range though it can provide only space- and frequency-averaged results. Therefore, there actually exists the mid-frequency range where we have no mature numerical methods. The authors focus on the Wave Based Method (WBM) which can produce detailed responses in steady-state vibroacoustic analysis for midfrequency range. In this paper, 2D WBM is applied to sound transmission analysis. We examine discontinuous boundary conditions and compute the sound transmission loss (TL) using a model of a simple experimental facility. Moreover, numerical predictions of TL by the WBM are compared with those by the FEM to verify the WBM. | |||||
内容記述 | ||||||
内容記述タイプ | Other | |||||
内容記述 | 形態: カラー図版あり | |||||
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: AA0064303015 | |||||
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-08-009 |