An additive manufacturing filter for topology optimization of print-ready designs |
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Authors: | Matthijs Langelaar |
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Affiliation: | 1.Faculty of Mechanical, Maritime and Materials Engineering,Delft University of Technology,Delft,The Netherlands |
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Abstract: | Additive manufacturing (AM) offers exciting opportunities to manufacture parts of unprecedented complexity. Topology optimization is essential to fully exploit this capability. However, AM processes 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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