On the incorporation of a micromechanical material model into the inherent strain method - application to the modeling of selective laser melting

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dc.contributor.authorNoll, Isabelle
dc.contributor.authorBartel, Thorsten
dc.contributor.authorMenzel, Andreas
dc.date.accessioned2022-03-11T13:07:59Z
dc.date.available2022-03-11T13:07:59Z
dc.date.issued2021-09-09
dc.description.abstractWhen developing reliable and useful models for selective laser melting processes of large parts, various simplifications are necessary to achieve computationally efficient simulations. Due to the complex processes taking place during the manufacturing of such parts, especially the material and heat source models influence the simulation results. If accurate predictions of residual stresses and deformation are desired, both complete temperature history and mechanical behavior have to be included in a thermomechanical model. In this article, we combine a multiscale approach using the inherent strain method with a newly developed phase transformation model. With the help of this model, which is based on energy densities and energy minimization, the three states of the material, namely, powder, molten, and resolidified material, are explicitly incorporated into the thermomechanically fully coupled finite-element-based process model of the micromechanically motivated laser heat source model and the simplified layer hatch model.en
dc.identifier.urihttp://hdl.handle.net/2003/40784
dc.identifier.urihttp://dx.doi.org/10.17877/DE290R-22641
dc.language.isoende
dc.relation.ispartofseriesGAMM-Mitteilungen;44(3)
dc.rights.urihttps://creativecommons.org/licenses/by/4.0/
dc.subjectAdditive manufacturingen
dc.subjectFinite element methoden
dc.subjectInherent strainen
dc.subjectMultiscale frameworken
dc.subjectPhase transformationen
dc.subject.ddc620
dc.subject.ddc670
dc.subject.rswkRapid Prototyping <Fertigung>de
dc.subject.rswkSelektives Laserschmelzende
dc.subject.rswkSimulationde
dc.subject.rswkFinite-Elemente-Methodede
dc.subject.rswkMehrskalenmodellde
dc.subject.rswkPhasenumwandlungde
dc.titleOn the incorporation of a micromechanical material model into the inherent strain method - application to the modeling of selective laser meltingen
dc.typeTextde
dc.type.publicationtypearticlede
dcterms.accessRightsopen access
eldorado.secondarypublicationtruede
eldorado.secondarypublication.primarycitationNoll, I., Bartel, T., Menzel, A., On the incorporation of a micromechanical material model into the inherent strain method—Application to the modeling of selective laser melting, GAMM-Mitteilungen. (2021), e202100015. https://doi.org/10.1002/gamm.202100015de
eldorado.secondarypublication.primaryidentifierhttps://doi.org/10.1002/gamm.202100015de

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