Abstract
This add-on discussion addresses a shortcoming of the paper in the title – the authors missed an important reference by Clausen et al. (2015). Differences between the current work and the said reference are clarified in this comment. In addition, some mistakes in the commented paper were corrected.
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I thank Prof. O. Sigmund from Technical University of Denmark for his kind suggestion and guidance.
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Qiu, K., Wang, R., Xie, Z. et al. Comment on “Optimal design of chiral metamaterials with prescribed nonlinear properties”. Struct Multidisc Optim 63, 613–615 (2021). https://doi.org/10.1007/s00158-020-02833-8
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DOI: https://doi.org/10.1007/s00158-020-02833-8