A SUPG approach for determining frontlines in aluminium extrusion simulations and a comparison with experiments

A.J. Koopman, H.J.M. Geijselaers, Han Huetink, K.E. Nilsen, P.T.G. Koenis

Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review

2 Citations (Scopus)


In this paper we present a method to determine the frontlines inside the container and inside the extrusion die based on a steady state velocity field. Using this velocity field the convection equation is solved with a SUPG stabilized finite element method for a variable that represents the time it takes from the initial front to a certain point in the domain. When iso-lines in this field are plotted the development of fronts can be tracked. Extrusion experiments are performed with aluminium billets cut in slices. When extrusion is stopped the billet and extrudate are removed from the container and cut in half in the extrusion direction, copper foils between the slices show the frontlines. These lines show good agreement with the iso-lines from the numerical solution of convection equation
Original languageEnglish
Title of host publicationProceedings 10th ESAFORM Conference on Material Forming, 18-20 April 2007, Zaragoza, Spain
EditorsE Cueto, F Chinesta
Place of PublicationZaragoza, Spain
PublisherAmerican Institute of Physics
ISBN (Print)978-0-7354-0414-4
Publication statusPublished - 18 Apr 2007
EventESAFORM 2007: 10th ESAFORM Conference on Material Forming - Zaragoza, Spain
Duration: 18 Apr 200720 Apr 2007
Conference number: 10

Publication series

NameAIP conference proceedings
PublisherAmerican Institute of Physics
ISSN (Print)0094-243X


ConferenceESAFORM 2007
Abbreviated titleESAFORM


  • n/a OA procedure


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