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Content available The use of a genetic algorithm in the process of optimizing the shape of a three-dimensional periodic beam
Dolinski Lukasz, Zak Arkadiusz, Waszkowiak Wiktor, Kowalski Pawel, Szkopek Jacek
Journal of Theoretical and Applied Mechanics
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2024
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Vol. 62 nr 3
601--613
EN
Mechanical periodic structures exhibit unusual dynamic behavior thanks to the periodicity of their structures, which can be attributed to their cellular arrangement. The source of this periodicity may result from periodic variations of material properties within their cells and/or variations in the cell geometry. The authors present the results of their studies on the optimization of physical parameters of a three-dimensional axisymetrical periodic beam in order to obtain the desired vibroacoustic properties. The aim of the optimization process of the unit cell shape was to obtain band gaps of a given width and position in the frequency spectrum.
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