نتایج جستجو برای: finite element model updating

تعداد نتایج: 2415272  

1999
Paula J. Beardsley Francois M. Hemez Scott W. Doebling

This paper describes the implementation, verification, and comparison of two techniques for updating nonlinear finite-element structural dynamics models using transient time-domain data. The methods are motivated in terms of the intended applications, and the derivations are shown as they relate to the model updating methods for linear finite element models. The application of the two methods t...

Journal: :Transactions of the Korean Society for Noise and Vibration Engineering 2012

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Marine industry requires continued development of new technologies in order to produce oil. An essential requirement in design is to be able to compare experimental data from prototype structures with predicted information from a corresponding analytical finite element model. In this study, structural model updating may be defined as the fit of an existing analytical model in the light of measu...

2007
H. Ahmadian G. M. L Gladwell F. Ismail

In FE model updating, as in any identification procedure, we select some parameters in the model, and try to fine-tune them to minimize the discrepancy between the model predictions and the measured data. The paper compares the performance of the generic element matrices, recently introduced by the authors, with other selection strategies for finite element model updating. The updated models ob...

Journal: :CoRR 2009
Linda Mthembu Tshilidzi Marwala Michael I. Friswell Sondipon Adhikari

This paper proposes the application of particle swarm optimization (PSO) to the problem of finite element model (FEM) selection. This problem arises when a choice of the best model for a system has to be made from set of competing models, each developed a priori from engineering judgment. PSO is a population-based stochastic search algorithm inspired by the behaviour of biological entities in n...

Journal: :Journal of the Korean Society for Aeronautical & Space Sciences 2013

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