DYNAMICS ANALYSIS OF 1D STRUCTURE INCLUDING RANDOM PARAMETER VIA FREQUENCY-DOMAIN STATE-VECTOR EQUATIONS

Revista Interdisciplinar de Pesquisa em Engenharia - RIPE

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Title DYNAMICS ANALYSIS OF 1D STRUCTURE INCLUDING RANDOM PARAMETER VIA FREQUENCY-DOMAIN STATE-VECTOR EQUATIONS
 
Creator Machado, Marcela Rodrigues
Pereira, Vilson Souza
I. G. Costa, Dalmo
C. Moraes, Elson
Santos, José Maria Campos dos
 
Description The consideration of uncertainties in numerical models to obtain the probabilistic descriptions of dynamic response is becoming more desirable in the way to quantify the parametric and non-parametric uncertainties associated with the model. In this work, an alternative approach to the spectral element formulation, in which the exact wave solutions are not required, the spectral element matrix including random parameters is derived from the transfer matrix formulated directly from the frequency-domain state-vector equation of motion. The analyses were made to quantify the effect of uncertainty in the dynamic responses at high frequency bands and the Monte Carlo simulation is used to propagate the variation in dimensional properties of the structural parameters. Some interesting results are presented, showing the effects of uncertainty parameters in the dynamic response of the structure.
 
Publisher Programa de Pós-Graduação em Integridade de Materiais da Engenharia
 
Date 2019-01-07
 
Type info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
 
Format application/pdf
 
Identifier http://periodicos.unb.br/index.php/ripe/article/view/21623
10.26512/ripe.v2i16.21623
 
Source Revista Interdisciplinar de Pesquisa em Engenharia; Vol 2 No 16 (2016): STOCHASTIC MODELING AND UNCERTAINTY QUANTIFICATION; 130-143
Revista Interdisciplinar de Pesquisa em Engenharia; v. 2 n. 16 (2016): STOCHASTIC MODELING AND UNCERTAINTY QUANTIFICATION; 130-143
2447-6102
 
Language eng
 
Relation http://periodicos.unb.br/index.php/ripe/article/view/21623/19940
 
Rights Copyright (c) 2019 Revista Interdisciplinar de Pesquisa em Engenharia - RIPE
 

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