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1 Bulletin of the Polish Academy of Sciences. Technical Sciences

1 2021

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Numerical benchmarks for topology optimization of structures with stress constraints

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Fiuk G. , Mrzygłód M. W.

tom Vol. 69, nr 6

art. no. e139317

Modern industry requires an increasing level of efficiency in a lightweight design. To achieve these objectives, easy-to-apply numerical tests can help in finding the best method of topological optimization for practical industrial applications. In this paper, several numerical benchmarks are proposed. The numerical benchmarks facilitate qualitative comparison with analytical examples and quantitative comparison with the presented numerical solutions. Moreover, an example of a comparison of two optimization algorithms was performed. That was a commonly used SIMP algorithm and a new version of the CCSA hybrid algorithm of topology optimization. The numerical benchmarks were done for stress constraints and a few material models used in additive manufacturing.