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Smooth design of 3d self-supporting topologies using additive manufacturing filter and semdot

Fu, Yun-Fei (Jack), Ghabraie, Kazem, Rolfe, Bernard, Wang, Yanan and Chiu, Ngai Sum Louis 2021, Smooth design of 3d self-supporting topologies using additive manufacturing filter and semdot, Applied Sciences (Switzerland), vol. 11, no. 1, pp. 1-17, doi: 10.3390/app11010238.

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Title Smooth design of 3d self-supporting topologies using additive manufacturing filter and semdot
Author(s) Fu, Yun-Fei (Jack)
Ghabraie, KazemORCID iD for Ghabraie, Kazem orcid.org/0000-0002-1043-3403
Rolfe, BernardORCID iD for Rolfe, Bernard orcid.org/0000-0001-8516-6170
Wang, YananORCID iD for Wang, Yanan orcid.org/0000-0003-0324-6519
Chiu, Ngai Sum LouisORCID iD for Chiu, Ngai Sum Louis orcid.org/0000-0002-0361-0854
Journal name Applied Sciences (Switzerland)
Volume number 11
Issue number 1
Start page 1
End page 17
Total pages 17
Publisher MDPI AG
Place of publication Basel, Switzerland
Publication date 2021
ISSN 2076-3417
Keyword(s) SEMDOT
Langelaar’s AM filter
print-ready design
Summary The smooth design of self-supporting topologies has attracted great attention in the design for additive manufacturing (DfAM) field as it cannot only enhance the manufacturability of optimized designs but can obtain light-weight designs that satisfy specific performance requirements. This paper integrates Langelaar’s AM filter into the Smooth-Edged Material Distribution for Optimizing Topology (SEMDOT) algorithm—a new element-based topology optimization method capable of forming smooth boundaries—to obtain print-ready designs without introducing post-processing methods for smoothing boundaries before fabrication and adding extra support structures during fabrication. The effects of different build orientations and critical overhang angles on self-supporting topologies are demonstrated by solving several compliance minimization (stiffness maximization) problems. In addition, a typical compliant mechanism design problem—the force inverter design—is solved to further demonstrate the effectiveness of the combination between SEMDOT and Langelaar’s AM filter.
Language eng
DOI 10.3390/app11010238
Indigenous content off
HERDC Research category C1 Refereed article in a scholarly journal
Free to Read? Yes
Persistent URL http://hdl.handle.net/10536/DRO/DU:30146573

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Every reasonable effort has been made to ensure that permission has been obtained for items included in DRO. If you believe that your rights have been infringed by this repository, please contact drosupport@deakin.edu.au.