Journal
STRUCTURAL AND MULTIDISCIPLINARY OPTIMIZATION
Volume 41, Issue 4, Pages 495-505Publisher
SPRINGER
DOI: 10.1007/s00158-009-0452-7
Keywords
Topology optimization; Filtering; Volume preserving; Heaviside function
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To prevent numerical instabilities and ensure manufacturability, restrictions should be applied in topology optimization. In this paper, a volume preserving density filter based on Heaviside functions is presented. Different from earlier Heaviside density filters, this filter is volume preserving, which ensures efficiency and stability in optimization. The new filter is compared with four other filters through a compliance minimization problem.
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