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Practical metamodel-assisted multi-objective design optimization for improved sustainability and buildability of wind turbine foundations
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Practical metamodel-assisted multi-objective design optimization for improved sustainability and buildability of wind turbine foundations
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Journal Article
Practical metamodel-assisted multi-objective design optimization for improved sustainability and buildability of wind turbine foundations
2022
Overview
In this work, we study the potential of using kriging metamodelling to perform multi-objective structural design optimization using finite element analysis software and design standards while keeping the computational efforts low. A method is proposed, which includes sustainability and buildability objectives, and it is applied to a case study of reinforced concrete foundations for wind turbines based on data from a large Swedish wind farm project. Sensitivity analyses are conducted to investigate the influence of the penalty factor applied to unfeasible solutions and the size of the initial sample generated by Latin hypercube sampling. A multi-objective optimization is then performed to obtain the optimum designs for different weight combinations for the four objectives considered. Results show that the kriging-obtained designs from samples of 20 designs outperform the best designs in the samples of 1000 designs. The optimum designs obtained by the proposed method have a sustainability impact 8–15% lower than the designs developed by traditional methods.
Publisher
Springer Berlin Heidelberg,Springer Nature B.V
