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Pinwheel
Ground structure (lattice) topology optimization
Simply-supported rectangular domain loaded vertically at the middle between the supports. The domain's height needs to be large enough to allow for the full wheel to develop.
"GRAND — Ground structure based topology optimization for arbitrary 2D domains using MATLAB." T. Zegard and G. H. Paulino. Journal of Structural and Multidisciplinary Optimization 50(5), 2014.
