Topology Optimisation of Additively Manufactured Lattice Beams for Three-Point Bending Test

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dc.creatorRashid, R.
dc.creatorMasood, S.H.
dc.creatorRuan, D.
dc.creatorPalanisamy, S.
dc.creatorHuang, X.
dc.creatorRahman Rashid, R.A.
dc.date.accessioned2021-11-09T19:49:42Z
dc.date.available2021-11-09T19:49:42Z
dc.date.issued2018
dc.description.abstractThe ability of additive manufacturing to develop parts with complex shapes has increased the bandwidth of product design. This has facilitated the use of Topology Optimisation (TO) techniques to optimise the distribution of material throughout the part, thereby obtaining minimum weight without compromising the mechanical performance of the component. In this study the Bi-directional Evolutionary Structural Optimisation (BESO) algorithm was used to generate topologically optimised lattice unit cells. A simple bending beam with 50% reduced volume was printed in two different unit cell arrangements using Selective Laser Melting (SLM) process. Prior to printing, the density of SLM-printed AlSi12 samples was enhanced by using appropriate scanning strategy. The flexural properties of these topology optimised beams were compared with the solid beam. The topologically optimised beams absorbed about seven times more energy per unit volume till the displacement of maximum bending load when compared with the solid beam at the same displacement.en_US
dc.description.departmentMechanical Engineeringen_US
dc.identifier.urihttps://hdl.handle.net/2152/90145
dc.identifier.urihttp://dx.doi.org/10.26153/tsw/17066
dc.language.isoengen_US
dc.publisherUniversity of Texas at Austinen_US
dc.relation.ispartof2018 International Solid Freeform Fabrication Symposiumen_US
dc.rights.restrictionOpenen_US
dc.subjectBESO methoden_US
dc.subjectselective laser meltingen_US
dc.subjectSLMen_US
dc.subjectscanning strategyen_US
dc.subjectflexural testingen_US
dc.subjectenergy absorptionen_US
dc.titleTopology Optimisation of Additively Manufactured Lattice Beams for Three-Point Bending Testen_US
dc.typeConference paperen_US

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2018 International Solid Freeform Fabrication Symposium