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Modeling of coupled dual-scale flow–deformation processes in composites manufacturing
RISE - Research Institutes of Sweden (2017-2019), Material och produktion, SICOMP. Chalmers University of Technology, Sweden.ORCID-id: 0000-0001-9507-3023
RISE - Research Institutes of Sweden (2017-2019), Material och produktion, SICOMP. Chalmers University of Technology, Sweden.ORCID-id: 0000-0002-2841-7188
Chalmers University of Technology, Sweden.
2013 (engelsk)Inngår i: Composites. Part A, Applied science and manufacturing, ISSN 1359-835X, E-ISSN 1878-5840, Vol. 46, nr 1, s. 108-116Artikkel i tidsskrift (Fagfellevurdert) 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.

sted, utgiver, år, opplag, sider
2013. Vol. 46, nr 1, s. 108-116
Emneord [en]
C. Finite Element Analysis (FEA), E. Consolidation, E. Forming, Poromechanics
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Identifikatorer
URN: urn:nbn:se:ri:diva-36108DOI: 10.1016/j.compositesa.2012.11.002Scopus ID: 2-s2.0-84870865947OAI: oai:DiVA.org:ri-36108DiVA, id: diva2:1262232
Tilgjengelig fra: 2018-11-09 Laget: 2018-11-09 Sist oppdatert: 2023-05-26bibliografisk kontrollert

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Rouhi, Mohammad S.Wysocki, Maciej

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