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パワースペクトル密度曲線の変化を用いた構造欠陥検出の数値解析
https://kitami-it.repo.nii.ac.jp/records/7138
https://kitami-it.repo.nii.ac.jp/records/7138a350fe7f-4210-4c74-9ea0-f8fcc69f0892
名前 / ファイル | ライセンス | アクション |
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2007-05-09 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | A Numerical Study of Structural Damage Dectection using Changes in the Curvature of Power Spectral Density | |||||
タイトル | ||||||
言語 | ja | |||||
タイトル | パワースペクトル密度曲線の変化を用いた構造欠陥検出の数値解析 | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | vibration characteristics | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | damage detection | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | modalproperties | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | health monitoring | |||||
資源タイプ | ||||||
資源 | http://purl.org/coar/resource_type/c_6501 | |||||
タイプ | journal article | |||||
アクセス権 | ||||||
アクセス権 | open access | |||||
アクセス権URI | http://purl.org/coar/access_right/c_abf2 | |||||
その他のタイトル | ||||||
その他のタイトル | パワースペクトル密度曲線の変化を用いた構造欠陥検出の数値解析 | |||||
著者 |
S., Beskhyroun
× S., Beskhyroun× T., Oshima× S., Mikami× T., Yamazaki |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | A change of modal characteristics can indicate structural damage. Based on changes in Power Spectral Density (PSD), this paper proposes a damage identification technique that detects damage and its location. The method is applied to a finite element model of a three span steel bridge with a concrete deck. Several damage scenarios were introduced to a main girder of the bridge. The method determined the exact damage location. In addition, the results illustrate that changes in the PSD curvature can be a useful tool for continuous monitoring of structural integrity using ambient vibration data. Furthermore, changes in the PSD curvature do not require a very fine grid of measurements to detect and locate damage effectively. | |||||
書誌情報 |
ja : 構造工学論文集A 巻 51A, p. 965-976, 発行日 2005-03 |
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出版者 | ||||||
出版者 | 社団法人 土木学会 | |||||
著者版フラグ | ||||||
値 | publisher | |||||
出版タイプ | ||||||
出版タイプ | VoR | |||||
出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 |