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Master's Dissertation
DOI
10.11606/D.3.2012.tde-23052014-005646
Document
Author
Full name
Luis Flávio Soares Nunes
E-mail
Institute/School/College
Knowledge Area
Date of Defense
Published
São Paulo, 2012
Supervisor
Committee
Kawano, Alexandre (President)
Alves, Marcílio
Ragazzo, Clodoaldo Grotta
Title in Portuguese
Um método de identificação de fontes de vibração em vigas.
Keywords in Portuguese
Fonte de vibração
Problema inverso
Viga de Euler-Bernoulli
Abstract in Portuguese
Neste trabalho, procuramos resolver o problema direto da equação da viga de Euler- Bernoulli bi-engastada com condições iniciais nulas. Estudamos o problema inverso da viga, que consiste em identificar a fonte de vibração, modelada como um elemento em L2, usando como dado a velocidade de um ponto arbitrário da viga, durante um intervalo de tempo arbitrariamente pequeno. A relevância deste trabalho na Engenharia encontra-se, por exemplo, na identificação de danos estruturais em vigas.
Title in English
A method of identification of sources of vibrations in beams.
Keywords in English
Euler-Bernoulli beam
Inverse problem
Source of vibration
Abstract in English
In this work, we try to solve the direct problem of the clamped-clamped Euler- Bernoulli beam equation, with zero initial conditions. We study the inverse problem of the beam, consisting in the identification of the source of vibration, shaped as an element in L2, using as data the speed from an arbitrary point of the beam, during a time interval arbitrarily small. The relevance of this work in Engineering, for example, is in the identification of structural damage in beams.
 
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Publishing Date
2014-05-28
 
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