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Constitutive modelling of anisotropic two-scale flow
RISE, Swerea, Swerea SICOMP.
RISE, Swerea, Swerea SICOMP.
Chalmers University of Technology.
2012 (English)In: ECCM 2012 - Composites at Venice, Proceedings of the 15th European Conference on Composite MaterialsConference paper, Published paper (Refereed)
Abstract [en]

We recently developed a simulation tool to simulate a quite wide class of infusion processes based on a compressible porous media theory formulation involving three constituents, solid, fluid and pore gas embedded in the voids. The aim of this tool is: firstly to model the highly deformable preform and its interaction with external loading and the intrinsic fluid pressure as well as the resulting changes in permeability, compaction and level of saturation. Secondly, the aim is to track the resin flow front during the infusion process using the continuum formulation itself, thereby avoiding methods like level set, etc. [1]. In this contribution, we present a permeability model applied within the modeling framework to account for anisotropic flow in the fibre bed. The ultimate goal of the approach is to be able to simulate the infusion of high performance, large scale composite structures, in an optimized and controlled fashion.

Place, publisher, year, edition, pages
European Conference on Composite Materials, ECCM , 2012.
Keyword [en]
Anisotropic permeability, Free surface migration, Liquid resin infusion, Phase compressible continuum
National Category
Materials Engineering
Identifiers
URN: urn:nbn:se:ri:diva-13105Scopus ID: 2-s2.0-84903974043ISBN: 9788888785332 (print)OAI: oai:DiVA.org:ri-13105DiVA: diva2:973301
Conference
15th European Conference on Composite Materials: Composites at Venice, ECCM 2012
Available from: 2016-09-22 Created: 2016-09-22Bibliographically approved

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