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The multi-scale closed chain of simulations – incorporating local variations in microstructure into finite element simulations
Jönköping University, School of Engineering, JTH, Materials and Manufacturing. Jönköping University, School of Engineering, JTH. Research area Materials and manufacturing – Casting.ORCID iD: 0000-0003-2671-9825
Jönköping University, School of Engineering, JTH, Product Development. Jönköping University, School of Engineering, JTH. Research area Product Development - Simulation and Optimization.
Jönköping University, School of Engineering, JTH, Materials and Manufacturing. Jönköping University, School of Engineering, JTH. Research area Materials and manufacturing – Casting.
2015 (English)In: TMS2015, 144th Annual Meeting and Exhibition, Orlando, FL, USA, March 15-19, 2015, 2015Conference paper, Published paper (Refereed)
Abstract [en]

Numerical simulations of component behavior and performance is critical to develop optimized and robust load-bearing components. The reliability of these simulations depend on the description of the components material behavior, which for e.g. cast and polymeric materials exhibit component specific local variations depending on geometry and manufacturing parameters. Here an extension of a previously presented strategy, the closed chain of simulations for cast components, to predict and incorporate local material data into Finite Element Method (FEM) simulations on multiple scales is shown. Manufacturing process simulation, solidification modelling, material characterization and representative volume elements (RVE) provides the basis for a microstructure-based FEM analysis of component behavior and a simulation of the mechanical behavior of the local microstructure in a critical region. It is discussed that the strategy is applicable not only to cast materials but also to injection molded polymeric materials, and enables a common integrated computational microstructure-based approach to optimized components.

Place, publisher, year, edition, pages
2015.
Keyword [en]
Multi-scale, Microstructure, Spheroidal Graphite Iron, Ductile Iron, Optimization
National Category
Metallurgy and Metallic Materials
Identifiers
URN: urn:nbn:se:hj:diva-25170OAI: oai:DiVA.org:hj-25170DiVA: diva2:764717
Conference
TMS2015
Available from: 2014-11-20 Created: 2014-11-20 Last updated: 2017-08-14

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Olofsson, JakobSalomonsson, KentSvensson, Ingvar L.
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JTH, Materials and ManufacturingJTH. Research area Materials and manufacturing – CastingJTH, Product DevelopmentJTH. Research area Product Development - Simulation and Optimization
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