Soil-structure interaction: Parameters identification using particle swarm optimization

Authors:
M. Fontan;A. Ndiaye;D. Breysse;F. Bos;C. Fernandez
Affiliations:
Université de Bordeaux, I2M, UMR5295, Avenue des Facultés, F-33405 Talence cedex, France;INRA, UMR5295 I2M, Université de Bordeaux/INRA/CNRS, F-33405 Talence, France;Université de Bordeaux, I2M, UMR5295, Avenue des Facultés, F-33405 Talence cedex, France;Université de Bordeaux, I2M, UMR5295, Avenue des Facultés, F-33405 Talence cedex, France;INRA, UMR5295 I2M, Université de Bordeaux/INRA/CNRS, F-33405 Talence, France
Venue:
Computers and Structures
Year:
2011

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Abstract

This paper deals with a numerical NDT method to identify mechanical parameters by inverse analysis using the particle swarm optimization algorithm. This method is using a finite element model of the structure to study in order to minimize the error between field data and data predicted by the FE model. The method is applied in the case of a laboratory experiment modelling a soil-structure interaction problem. Results stress the impact of the sensitivity of the solution to the accuracy of field measurements by simulating both different levels of measurement noise on data and using several placements of sensors.