Abstract
We propose a very simple heuristic to suppress gray-scale material in topology optimization in optimality criterion-like implementations. Gray-scale suppression (GSS) is recommended for use in conjunction with the SIMP material description, although gray-scale suppression in itself is adequate to effect predominantly black-and-white designs. Minimal changes are required to incorporate the gray-scale suppression technique in Sigmund’s popular 99-line Matlab code for topology optimization.
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Based on the paper ‘Predominantly black-and-white topology optimization via gray-scale filtering’, Proc. Seventh World Congress on Structural and Multidisciplinary Optimization, Seoul, Korea, May 2007.
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Groenwold, A.A., Etman, L.F.P. A simple heuristic for gray-scale suppression in optimality criterion-based topology optimization. Struct Multidisc Optim 39, 217–225 (2009). https://doi.org/10.1007/s00158-008-0337-1
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DOI: https://doi.org/10.1007/s00158-008-0337-1