Haoran Zhu, Xinhao Gao, Aodi Yang, Shuting Wang, Xianda Xie, Tifan Xiong*
CMES-Computer Modeling in Engineering & Sciences, Vol.135, No.2, pp. 1435-1456, 2023, DOI:10.32604/cmes.2022.023454
Abstract This work puts forward an explicit isogeometric topology optimization (ITO) method using moving morphable
components (MMC), which takes the suitably graded truncated hierarchical B-Spline based isogeometric analysis
as the solver of physical unknown (SGTHB-ITO-MMC). By applying properly basis graded constraints to the
hierarchical mesh of truncated hierarchical B-splines (THB), the convergence and robustness of the SGTHB-ITOMMC are simultaneously improved and the tiny holes occurred in optimized structure are eliminated, due to
the improved accuracy around the explicit structural boundaries. Moreover, an efficient computational method is
developed for the topological description functions (TDF) of MMC under the admissible hierarchical mesh, which… More >
Graphic Abstract
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