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title

Evaluating efficiency of different responses in structural damage detection by sensitivity-based analyses

Credit to Download: 1 | Page Numbers 23 | Abstract Views: 203
Year: 2014
Present: شفاهي
COI code: ISSEE01_065
Paper Language: English

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Authors Evaluating efficiency of different responses in structural damage detection by sensitivity-based analyses

  Gholam Reza Havaei - Assistance Professor, Amirkabir University of Technology
Reza Zare - Master Of Civil Engineering

Abstract:

Different methods are used to estimate the location and intensity of damage in structures and these methods use different staticand dynamic responses. Even though many methods have been proposed for damage detection in the last two decades, sensitivitybasedanalyses are still popular. In this research, the effects of different responses in sensitivity-based methods, for two cases ofadditive and multiplicative noises in a truss and a two layers dramatic dome are studied. First, by imposing noise in variousresponses and implementing Monte Carlo sampling, an index was devised to evaluate the sensitivity of each response to sensorlocation. Then, different responses are used to detect damage in structures, but since it is an ill-posed problem, Tikhonovregularization scheme is used to evaluate exact results of each response, through an updating problem. By comparing the results, itis concluded that sensitivity of static responses to sensors location is less and static response is the most effective response withfewer errors in damage detection of the cases.

Keywords:

damage detection; response; sensitivity analysis; noise; regularization

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COI code: ISSEE01_065

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Havaei, Gholam Reza & Reza Zare, 2014, Evaluating efficiency of different responses in structural damage detection by sensitivity-based analyses, national Conference on Social Psychology and Educational and Social Sciences, تهران, انجمن علمي مهندسي سازه ايران, https://www.civilica.com/Paper-ISSEE01-ISSEE01_065.htmlInside the text, wherever referred to or an achievement of this article is mentioned, after mentioning the article, inside the parental, the following specifications are written.
First Time: (Havaei, Gholam Reza & Reza Zare, 2014)
Second and more: (Havaei & Zare, 2014)
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Type: state university
Paper No.: 18868
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