2010
DOI: 10.4028/www.scientific.net/amr.163-167.2804
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Finite Element Model Updating Based on Direct Optimization Technique

Abstract: Setting up of an objective function, update parameters and use of robust optimization algorithm are three crucial steps in FE model updating. In order to calculate the gradient of the objective function, analytic optimization algorithm is not easy to be achieved, while the direct optimization algorithm may achieve the objective function optimization simply by comparing the size of the objective function to move the iteration point. In this paper, the eigenvalues and mode shapes are used as the optimization obj… Show more

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“…Thus it is of great interest to study the effect on the design when optimizing multiple design variables simultaneously, which is possible when applying automatic gradientbased optimization methods. Previous examples of gradient-based parametric optimization are seen in (Mrsa and Medic 1996), (Peng et al 2005), and (Ding et al 2010).…”
Section: Introductionmentioning
confidence: 99%
“…Thus it is of great interest to study the effect on the design when optimizing multiple design variables simultaneously, which is possible when applying automatic gradientbased optimization methods. Previous examples of gradient-based parametric optimization are seen in (Mrsa and Medic 1996), (Peng et al 2005), and (Ding et al 2010).…”
Section: Introductionmentioning
confidence: 99%