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Identification of a spatial linear model based on earthquake-induced data and genetic algorithm with parallel selection

Author:
Bassir, David Hicham; Zapico Valle, José LuisUniovi authority; González Martínez, María PlaceresUniovi authority; Alonso Camblor, RodolfoUniovi authority
Publication date:
2007
Editorial:

EDP Sciences

Publisher version:
http://dx.doi.org/10.1051/ijsmdo:2007005
Citación:
International Journal for Simulation and Multidisciplinary Design Optimization (IJSMDO), 1(1), p. 39-48 (2007); doi:10.1051/ijsmdo:2007005
Descripción física:
p. 39-48
Abstract:

This paper deals with the parametric identification of a small-scale bridge model that was intended to approximately reproduce the transversal dynamic behaviour of its corresponding prototype. This is representative of a typical multi-span continuous-deck irregular bridge. A linear model with viscous damping is proposed to reproduce its dynamic response. The identification is carried out in the time domain using experimental earthquake-induced data and assuming the mass is known. An identification procedure including a genetic algorithm with parallel selection has been developed. In the studied case, the procedure has demonstrated to be robust. It is shown that the model could be improved by using a non linear approach for the dissipative forces

This paper deals with the parametric identification of a small-scale bridge model that was intended to approximately reproduce the transversal dynamic behaviour of its corresponding prototype. This is representative of a typical multi-span continuous-deck irregular bridge. A linear model with viscous damping is proposed to reproduce its dynamic response. The identification is carried out in the time domain using experimental earthquake-induced data and assuming the mass is known. An identification procedure including a genetic algorithm with parallel selection has been developed. In the studied case, the procedure has demonstrated to be robust. It is shown that the model could be improved by using a non linear approach for the dissipative forces

URI:
http://hdl.handle.net/10651/30756
ISSN:
1779-6288
DOI:
10.1051/ijsmdo:2007005
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