Utilize este identificador para referenciar este registo: http://hdl.handle.net/10400.21/2140
Título: Damage detection and quantification using transmissibility
Autor: Maia, Nuno M. M.
Almeida, Raquel A. B.
Urgueira, Antonio P. V.
Sampaio, Rui Pedro Chedas
Palavras-chave: Damage
Transmissibility
Frequency Response Functions
Data: Out-2011
Editora: Academic Press LTD-Elsevier Science LTD
Citação: MAIA, Nuno M. M.; ALMEIDA, Raquel A. B.; URGEIRA, Antonio P. V.; SAMPAIO, Rui P. C. - Damage detection and quantification using transmissibility. Mechanical Systems and Signal Processing. ISSN 0888-3270. Vol. 25, n.º 7 (2011) p. 2475-2483.
Resumo: Structures experience various types of loads along their lifetime, which can be either static or dynamic and may be associated to phenomena of corrosion and chemical attack, among others. As a consequence, different types of structural damage can be produced; the deteriorated structure may have its capacity affected, leading to excessive vibration problems or even possible failure. It is very important to develop methods that are able to simultaneously detect the existence of damage and to quantify its extent. In this paper the authors propose a method to detect and quantify structural damage, using response transmissibilities measured along the structure. Some numerical simulations are presented and a comparison is made with results using frequency response functions. Experimental tests are also undertaken to validate the proposed technique. (C) 2011 Elsevier Ltd. All rights reserved.
Peer review: yes
URI: http://hdl.handle.net/10400.21/2140
ISSN: 0888-3270
Aparece nas colecções:ISEL - Eng. Mecan. - Artigos

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