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一様デルタ相関加振の適用による拡散音場加振時の構造振動応答計算法
https://jaxa.repo.nii.ac.jp/records/22547
https://jaxa.repo.nii.ac.jp/records/22547f1a01040-cb1b-40e7-9507-30010184bb90
名前 / ファイル | ライセンス | アクション |
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PA1510047000.pdf (1.6 MB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2015-07-14 | |||||
タイトル | ||||||
タイトル | 一様デルタ相関加振の適用による拡散音場加振時の構造振動応答計算法 | |||||
言語 | ||||||
言語 | jpn | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | Random vibration | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | Sound and acoustics | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | Space engineering | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | Spectrum analysis | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | Structural design | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | Joint acceptance | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | Diffuse acoustic field | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | journal article | |||||
その他のタイトル(英) | ||||||
その他のタイトル | Equivalent modeling for vibroacoustic analysis of diffuse acoustic excitation using uniformly distributed delta correlated excitation | |||||
著者 |
赤城, 弘樹
× 赤城, 弘樹× 安藤, 成将× 施, 勤忠× Akagi, Hiroki× Ando, Shigemasa× Shi, Qinzhong |
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著者所属 | ||||||
宇宙航空研究開発機構(JAXA) | ||||||
著者所属 | ||||||
宇宙航空研究開発機構(JAXA) | ||||||
著者所属 | ||||||
宇宙航空研究開発機構(JAXA) | ||||||
著者所属(英) | ||||||
en | ||||||
Japan Aerospace Exploration Agency(JAXA) | ||||||
著者所属(英) | ||||||
en | ||||||
Japan Aerospace Exploration Agency(JAXA) | ||||||
著者所属(英) | ||||||
en | ||||||
Japan Aerospace Exploration Agency(JAXA) | ||||||
出版者 | ||||||
出版者 | 日本機械学会(JSME) | |||||
出版者(英) | ||||||
出版者 | The Japan Society of Mechanical Engineers(JSME) | |||||
書誌情報 |
日本機械学会論文集 en : Transactions of the JSME (in Japanese) 巻 80, 号 817, p. 1-13, 発行日 2014-09-25 |
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抄録(英) | ||||||
内容記述タイプ | Other | |||||
内容記述 | In space engineering application, diffuse acoustic field is one of the critical design consideration of spacecraft structure. Diffuse acoustic field has equal probability of mutually uncorrelated plane waves from all incident angles over a half-space. Some prediction methods for vibroacoustic response have been developed based on the assumption that the diffuse acoustic excitation can be regarded as a uniformly distributed delta correlated excitation (rain-on-the-roof excitation). This is because a normalized cross-correlation in diffuse acoustic excitation, which is expressed by a sinc function, may be written simply by delta function. In previous researches, it has been assumed that a sinc function can be described by separation of variables, while the application of an exact formula to a simplified normalized cross-correlation in diffuse acoustic excitation has never been discussed, despite its necessity. This paper provides the exact analytical method for a structure subjected to diffuse acoustic excitation applying uniformly distributed delta correlated excitation, based on joint acceptance theory. The method is applied to diffuse acoustic excitation of a flat panel for which several boundary conditions are assumed, so that the results can be compared with those of direct calculation in the diffuse acoustic field, to validate the method for structural designing. | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 2187-9761 | |||||
DOI | ||||||
関連タイプ | isVersionOf | |||||
識別子タイプ | DOI | |||||
関連識別子 | http://dx.doi.org/10.1299/transjsme.2014dr0269 | |||||
関連名称 | info:doi/10.1299/transjsme.2014dr0269 | |||||
権利 | ||||||
権利情報 | ©2014 一般社団法人日本機械学会 | |||||
著者版フラグ | ||||||
出版タイプ | AM | |||||
出版タイプResource | http://purl.org/coar/version/c_ab4af688f83e57aa | |||||
資料番号 | ||||||
内容記述タイプ | Other | |||||
内容記述 | 資料番号: PA1510047000 |