Recently, there is a growing interest in seismic qualification of ridges, buildings and\nmechanical equipment worldwide due to increase of accidents caused by earthquake.\nSevere earthquake can bring serious problems in the wind turbines and eventually\nlead to an interruption to their electric power supply. To overcome and prevent these\nundesirable problems, structural design optimization of a small vertical axis wind\nturbine has performed, in this study, for seismic qualification and lightweight by using\na Genetic Algorithm (GA) subject to some design constraints such as the maximum\nstress limit, maximum deformation limit, and seismic acceleration gain limit.\nAlso, the structural design optimizations were conducted for the four different initial\ndesign variable sets to confirm robustness of the optimization algorithm used. As a\nresult, all the optimization results for the 4 different initial designs showed good\nagreement with each other properly. Thus the structural design optimization of a\nsmall vertical-axis wind turbine could be successfully accomplished.
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