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Local microstructure-based material performance and damage in design and finite element simulations of cast components
Jönköping University, School of Engineering, JTH, Materials and Manufacturing.ORCID iD: 0000-0003-2671-9825
2018 (English)In: Journal of Computational Design and Engineering, ISSN 2288-4300, Vol. 5, no 4, p. 419-426Article in journal (Refereed) Published
Abstract [en]

A novel approach to incorporate local microstructure-based material performance into finite element method (FEM) simulations of cast components is presented. By adopting perspectives from natural designs as dinosaur skulls and trees, the discipline-wide approach enables accurate prediction of damage in structures based on a heterogeneous distribution of sub-scale features. It is shown that heterogeneous damage tolerance dictates the performance and failure of cast aluminum, and simulations are compared with experimental results of heterogeneous tensile samples using digital image correlation (DIC). The numerical application of the approach in the industrial product realization process of an industrial casting is demonstrated, and the applicability of the approach to understand the behavior and failure of natural as well as synthetic structures is discussed. 

Place, publisher, year, edition, pages
Elsevier, 2018. Vol. 5, no 4, p. 419-426
Keywords [en]
Casting and solidification, Casting process simulation, Component casting, Damage, Finite element simulations, Modelling and simulation, Strain energy density
National Category
Metallurgy and Metallic Materials
Identifiers
URN: urn:nbn:se:hj:diva-41271DOI: 10.1016/j.jcde.2018.02.002ISI: 000452649100006Scopus ID: 2-s2.0-85049744219OAI: oai:DiVA.org:hj-41271DiVA, id: diva2:1242457
Funder
Knowledge FoundationAvailable from: 2018-08-28 Created: 2018-08-28 Last updated: 2019-01-02Bibliographically approved

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Olofsson, Jakob

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