Study on incorrect predictions for simulations of the vacuum infusion process

Rohit George Sebastian, Christof Obertscheider, Ralf Schledjewski

Research output: Chapter in Book/Report/Conference proceedingConference contribution

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The vacuum infusion process is a Liquid Composite Manufacturing (LCM) process in which the preformed reinforcing fibres are impregnated with the fluid matrix using the pressure difference produced by the evacuation of the mould cavity. In order to speed up the infiltration process, it is common to use a highly permeable flow distribution medium on top of the preform. On doing so, thw matrix infiltrates the preform predominantly through the thickness direction of the part. Filling simulations of such vacuum infusion processes having layers with vastly different permeabilities, when done with software tools that make use of the Finite Volume Method (FVM) typically show an incomplete filling of the bottommost layer of cells, which is in contrast to what is observed experimentally. This work aims to study this error and propose solutions for rectifying this error.
Original languageEnglish
Title of host publication28. Leobener Kunststoff-Kolloquium 2019
Subtitle of host publicationSchriftenreihe Kunststofftechnik Leoben
EditorsClara Schuecker, Peter Fuchs
Publication statusPublished - 25 Apr 2019
EventEuromech Colloquium 602: Composite manufacturing processes. Analyses, modelling and simulations - INSA Lyon, Lyon, France
Duration: 13 Mar 201915 Mar 2019


ConferenceEuromech Colloquium 602
Internet address


  • Modelling
  • Simulation
  • Computational Fluid Dynamics (CFD)
  • vacuum infusion
  • Liquid Composite Molding
  • porous media flow

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