Thermal and Material Flow Modelling of Friction Stir Welding Using COMSOLH. Schmidt[1,2], and J. Hattel
Technical University of Denmark, Kgs. Lyngby, Denmark
HBS Engineering, Frederiksberg, Denmark
Two friction stir welding models are presented – a global thermal model using the temperature dependent heat source and a local material flow and heat generation model allowing for detailed investigation of different contact conditions. The two models are coupled into a larger local-global model. The flow model includes frictional dissipation from the contact between the work piece and the tool as well as plastic dissipation.
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