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Article: Stress Line Additive Manufacturing (SLAM) for 2.5-D shells

TitleStress Line Additive Manufacturing (SLAM) for 2.5-D shells
Authors
KeywordsAdditive manufacturing
Conceptual structural design
Principal stress lines
Topology optimization
Issue Date2016
Citation
Journal of the International Association for Shell and Spatial Structures, 2016, v. 57, n. 4, p. 249-259 How to Cite?
AbstractIn the field of digital fabrication, additive manufacturing (AM, sometimes called 3D printing) has enabled the fabrication of increasingly complex geometries, though the potential of this technology to convey both geometry and structural performance remains unmet. Typical AM processes produce anisotropic products with strength behavior that varies according to filament orientation, thereby limiting its applications in both structural prototypes and end-use parts and products. The paper presents a new integrated software and hardware process that reconsiders the traditional AM technique of fused deposition modelling (FDM) by adding material explicitly along the three-dimensional principal stress trajectories, or stress lines, of 2.5-D structural surfaces. As curves that indicate paths of desired material continuity within a structure, stress lines encode the optimal topology of a structure for a given set of design boundary conditions. The use of a 6-axis industrial robot arm and a heated extruder, designed specifically for this research, provides an alternative to traditional layered manufacturing by allowing for oriented material deposition. The presented research opens new possibilities for structurally performative fabrication.
Persistent Identifierhttp://hdl.handle.net/10722/336705
ISSN
2023 Impact Factor: 1.1
2023 SCImago Journal Rankings: 0.344
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorTam, Kam Ming Mark-
dc.contributor.authorMueller, Caitlin T.-
dc.contributor.authorColeman, James R.-
dc.contributor.authorFine, Nicholas W.-
dc.date.accessioned2024-02-29T06:55:57Z-
dc.date.available2024-02-29T06:55:57Z-
dc.date.issued2016-
dc.identifier.citationJournal of the International Association for Shell and Spatial Structures, 2016, v. 57, n. 4, p. 249-259-
dc.identifier.issn1028-365X-
dc.identifier.urihttp://hdl.handle.net/10722/336705-
dc.description.abstractIn the field of digital fabrication, additive manufacturing (AM, sometimes called 3D printing) has enabled the fabrication of increasingly complex geometries, though the potential of this technology to convey both geometry and structural performance remains unmet. Typical AM processes produce anisotropic products with strength behavior that varies according to filament orientation, thereby limiting its applications in both structural prototypes and end-use parts and products. The paper presents a new integrated software and hardware process that reconsiders the traditional AM technique of fused deposition modelling (FDM) by adding material explicitly along the three-dimensional principal stress trajectories, or stress lines, of 2.5-D structural surfaces. As curves that indicate paths of desired material continuity within a structure, stress lines encode the optimal topology of a structure for a given set of design boundary conditions. The use of a 6-axis industrial robot arm and a heated extruder, designed specifically for this research, provides an alternative to traditional layered manufacturing by allowing for oriented material deposition. The presented research opens new possibilities for structurally performative fabrication.-
dc.languageeng-
dc.relation.ispartofJournal of the International Association for Shell and Spatial Structures-
dc.subjectAdditive manufacturing-
dc.subjectConceptual structural design-
dc.subjectPrincipal stress lines-
dc.subjectTopology optimization-
dc.titleStress Line Additive Manufacturing (SLAM) for 2.5-D shells-
dc.typeArticle-
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.20898/j.iass.2016.190.856-
dc.identifier.scopuseid_2-s2.0-85008893447-
dc.identifier.volume57-
dc.identifier.issue4-
dc.identifier.spage249-
dc.identifier.epage259-
dc.identifier.eissn1996-9015-
dc.identifier.isiWOS:000392587600002-

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