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An integrated framework for multi-scale multi-physics numerical modelling of interface evolution in welding
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2012 (English)In: IOP Conf. Ser. Mater. Sci. Eng., 2012, no 1Conference paper (Refereed)
Abstract [en]

The project Modelling of Interface evolution in advanced Welding (MIntWeld) is a 4-year international research project funded by the European Commission under their FP7 programme. Its main target is to develop a numerical toolbox which can be used to predict the evolution of interfaces during welding. There are various interfaces involving multiple phenomena and different spatial scales, which can be simulated using corresponding numerical modelling methods respectively. The modelling methods include quantum dynamics, molecular dynamics, phase field, phase field crystal, computational fluid dynamics, phase transformation and heat transfer, thermodynamics, continuum mechanics and life and defects prediction. Although each modelling method is based on different physical theories and involves different scales, they are not isolated. Therefore, this project aims to design a common framework which couples each model with the upstream and/or downstream model at the relevant neighbouring length scales. The data exchange framework which underpins the coupling of the models is described, and typical examples addressing the solution to the challenges faced, such as those of data interpolation between one discretisation of the computational domain and another, are discussed. Initial successes from the model-linking efforts of the authors are also presented.

Place, publisher, year, edition, pages
2012. no 1
, IOP Conference Series: Materials Science and Engineering, ISSN 1757-8981 ; 33
Keyword [en]
Computational domains, Data interpolation, European Commission, Integrated frameworks, Interface evolution, International researches, Phase-field crystals, Project modelling, Computational fluid dynamics, Continuum mechanics, Electronic data interchange, Molecular dynamics, Numerical models, Quantum theory, Solidification, Thermodynamics, Welding
National Category
Materials Engineering
URN: urn:nbn:se:kth:diva-129676DOI: 10.1088/1757-899X/33/1/012029ISI: 000307779900029ScopusID: 2-s2.0-84877909697OAI: diva2:655340
13th International Conference on Modeling of Casting, Welding and Advanced Solidification Processes, MCWASP 2012; Schladming; Austria

QC 20131011

Available from: 2013-10-11 Created: 2013-10-03 Last updated: 2013-10-11Bibliographically approved

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Hoglund, Lars
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