期刊
STRUCTURAL AND MULTIDISCIPLINARY OPTIMIZATION
卷 55, 期 3, 页码 871-883出版社
SPRINGER
DOI: 10.1007/s00158-016-1522-2
关键词
Additive manufacturing; Topology optimization; Design for manufacturing; Printability; Overhang angle; Support structures
Additive manufacturing (AM) offers exciting opportunities to manufacture parts of unprecedented complexity. Topology optimization is essential to fully exploit this capability. However, AMprocesses have specific limitations as well. When these are not considered during design optimization, modifications are generally needed in post-processing, which add costs and reduce the optimized performance. This paper presents a filter that incorporates the main characteristics of a generic AM process, and that can easily be included in conventional density-based topology optimization procedures. Use of this filter ensures that optimized designs comply with typical geometrical AM restrictions. Its performance is illustrated on compliance minimization problems, and a 2D Matlab implementation is provided.
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