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Modeling of coupled dual-scale flow–deformation processes in composites manufacturing
RISE - Research Institutes of Sweden, Material och produktion, SICOMP.ORCID-id: 0000-0001-9507-3023
RISE - Research Institutes of Sweden, Material och produktion, SICOMP.ORCID-id: 0000-0002-2841-7188
2013 (Engelska)Ingår i: Composites. Part A, Applied science and manufacturing, ISSN 1359-835X, E-ISSN 1878-5840, Vol. 46, s. 108-116Artikel i tidskrift (Refereegranskat) Published
Abstract [en]

The present contribution is a part of the work towards a framework for holistic modeling of composites manufacturing. Here we focus our attention onto the particular problem of coupled dual-scale deformation–flow process such as the one arising in RTM, Vacuum Assisted Resin Infusion (VARI) and Vacuum Bag Only (VBO) prepregs. The formulation considers coupling effects between macro-scale preform processes and meso-scale ply processes as well as coupling effects between the solid and fluid phases. The framework comprises a nonlinear compressible fiber network saturated with incompressible fluid phase. Internal variables are introduced in terms of solid compressibility to describe the irreversible mesoscopic infiltration and reversible preform compaction processes. As a main result a coupled displacement–pressure, geometrically nonlinear, finite element simulation tool is developed. The paper is concluded with a numerical example, where a relaxation–compression test of a planar fluid filled VBO preform at globally un-drained and partly drained conditions is considered.

Ort, förlag, år, upplaga, sidor
2013. Vol. 46, s. 108-116
Nyckelord [en]
C. Finite Element Analysis (FEA), E. Consolidation, E. Forming, Poromechanics
Nationell ämneskategori
Naturvetenskap
Identifikatorer
URN: urn:nbn:se:ri:diva-36108OAI: oai:DiVA.org:ri-36108DiVA, id: diva2:1262232
Tillgänglig från: 2018-11-09 Skapad: 2018-11-09 Senast uppdaterad: 2019-06-20Bibliografiskt granskad

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http://www.sciencedirect.com/science/article/pii/S1359835X12003363

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Rouhi, Mohammad S.Wysocki, Maciej

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