Optimization of plated steel beams using metamodels and modern optimization methods

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216305%3A26210%2F15%3APU114634" target="_blank" >RIV/00216305:26210/15:PU114634 - isvavai.cz</a>
Result on the web
<a href="http://www.kme.zcu.cz/acm/acm/article/view/281/321" target="_blank" >http://www.kme.zcu.cz/acm/acm/article/view/281/321</a>
DOI - Digital Object Identifier
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Result language
angličtina
Original language name
Optimization of plated steel beams using metamodels and modern optimization methods
Original language description
This paper deals with metamodel-based optimization of plated steel beams. The first part of the article explains the principle of the metamodel-based optimization approach and also provides basic information on incorporated sub-methods such as design ofexperiments (DOE), mathematical approximation methods and mathematical optimization methods. Since optimized sections tend to be slender and thus susceptible to buckling, special attention is paid to the buckling evaluation. Both linear and nonlinear buckling analyses are employed. The nonlinear buckling analysis addresses detrimental influence of imperfections on the limit load by introducing equivalent geometric imperfections into the finite element (FE) model. The shapes and magnitudes of these imperfections are based on recommendations for plated beams given in Eurocode 3 (EC3). The practical part of the article illustrates the approach on step by step basis using an example of spreader beam weight optimization. It is shown that sim
Czech name
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Czech description
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Type
J<sub>x</sub> - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)
CEP classification
JR - Other machinery industry
OECD FORD branch
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Publication year
2015
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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