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Damage diagnosis of frame structures using modified modal strain energy change method / Ting-Yu Hsu in Journal of engineering mechanics, Vol. 134 n°11 (Novembre 2008) 

Public ISBD [article]  in Journal of engineering mechanics > Vol. 134 n°11 (Novembre 2008) . - pp. 1000–1012. Titre : Damage diagnosis of frame structures using modified modal strain energy change method Type de document : texte imprimé Auteurs : Ting-Yu Hsu, Auteur ; Chin-Hsiung Loh, Auteur Année de publication : 2008 Article en page(s) : pp. 1000–1012. Note générale : Mécanique appliquée Langues : Anglais (eng) Mots-clés : Damage  Structural  dynamics  Strain  energy  Three-dimensional  analysis  Framed  structures Résumé : This work presents a modified modal strain energy change (M-MSEC) method and its corresponding iteration process to detect damage to frame structures. Analytical results of a three-dimensional frame structure demonstrate that the quantity of damage can be identified correctly by using different modes in the M-MSEC method. A full-scale experimental study is also performed to evaluate the robustness of the M-MSEC method on damage detection as well as damage quantification. Satisfactory results are shown in relation to the modeling error, noise effect, and limited measurements. ISSN : 0733-9399 En ligne : http://ascelibrary.org/doi/abs/10.1061/%28ASCE%290733-9399%282008%29134%3A11%281 [...] [article] Damage diagnosis of frame structures using modified modal strain energy change method [texte imprimé] / Ting-Yu Hsu, Auteur ; Chin-Hsiung Loh, Auteur . - 2008 . - pp. 1000–1012. Mécanique appliquée Langues : Anglais (eng) in Journal of engineering mechanics > Vol. 134 n°11 (Novembre 2008) . - pp. 1000–1012. Mots-clés : Damage  Structural  dynamics  Strain  energy  Three-dimensional  analysis  Framed  structures Résumé : This work presents a modified modal strain energy change (M-MSEC) method and its corresponding iteration process to detect damage to frame structures. Analytical results of a three-dimensional frame structure demonstrate that the quantity of damage can be identified correctly by using different modes in the M-MSEC method. A full-scale experimental study is also performed to evaluate the robustness of the M-MSEC method on damage detection as well as damage quantification. Satisfactory results are shown in relation to the modeling error, noise effect, and limited measurements. ISSN : 0733-9399 En ligne : http://ascelibrary.org/doi/abs/10.1061/%28ASCE%290733-9399%282008%29134%3A11%281 [...]