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Topology optimization of a U-bend tool using LS-TaSC
DYNAmore Nordic AB, Linköping, Sweden.
Örebro universitet, Institutionen för naturvetenskap och teknik.ORCID-id: 0000-0001-8542-9006
2019 (engelsk)Inngår i: Proc. of the 12th European LS-DYNA Conference 2019, 2019Konferansepaper, Publicerat paper (Fagfellevurdert)
Abstract [en]

Metal additive manufacturing of stamping tool and die has a potential of reducing the lead time of forming processes, while at least not increasing the cost. As a part of a research project exploring the possibilities to use this type of tool manufacturing techniques, topology optimization using LS-TaSC has been utilized and one example case is presented in this paper, namely a U‑bend tool. This paper looks at the possible benefits from using nonlinear simulations in topology optimization, the effect of chosen target mass fraction value, the interpretations needed of optimal results and the effects on the formed specimen after using an optimized tool. Results show that accounting for the time dependent pressure on the tool, rather than applying a form of equivalent static load, gives a different optimal topology. Some manual interpretations of the optimal results are also recommended, as well as studying the effects on the specimen from removing material on the tool side.

sted, utgiver, år, opplag, sider
2019.
HSV kategori
Identifikatorer
URN: urn:nbn:se:oru:diva-74773OAI: oai:DiVA.org:oru-74773DiVA, id: diva2:1329408
Konferanse
The 12th European LS-DYNA Conference 2019, 14-16 May, 2019, Koblenz, Germany
Tilgjengelig fra: 2019-06-24 Laget: 2019-06-24 Sist oppdatert: 2019-06-26bibliografisk kontrollert

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Topology Optimization of a U-Bend Tool using LS-TaSC(1603 kB)521 nedlastinger
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12th European LS-DYNA Conference

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Asnafi, Nader

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