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- W4220762023 startingPage "114846" @default.
- W4220762023 abstract "A topology optimization framework for improving the dynamic fracture resistance of structures is proposed. The phase field method for fracture is combined with Solid Isotropic Material with Penalization (SIMP) topology optimization. The topology optimization problem is defined as minimizing the fracture energy during the whole dynamic loading process, from initiation of cracks to full failure of the structure, under volume and compliance constraints. Semi analytical expressions of sensitivities in a dynamic context are provided to solve the topology optimization problem efficiently. Numerical examples involving structures subjected to impact loading are investigated. It is shown that the present framework allows a significant reduction of the fracture energy as compared to designs obtained by static optimization." @default.
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- W4220762023 date "2022-05-01" @default.
- W4220762023 modified "2023-10-06" @default.
- W4220762023 title "Topology optimization for enhanced dynamic fracture resistance of structures" @default.
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- W4220762023 doi "https://doi.org/10.1016/j.cma.2022.114846" @default.
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