TITLE

Numerical simulation and investigation of high frequency tube welding process

AUTHOR(S)
Nikanorov, Aleksandr; Baake, Egbert; Neumeyer, Jörg
PUB. DATE
November 2014
SOURCE
Applied Mechanics & Materials;2014, Vol. 698, p245
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
Welding processes and installations used nowadays are mainly developed on practical experience and analytical calculations. Nevertheless, high frequency induction tube welding is a very complex three-dimensional dynamic process, where the electromagnetic and thermal characteristics are distributed not only in space but in time as well. A more profound detailed investigation of the induction tube welding process can be only done by numerical modeling. Full and local three-dimensional transient numerical models of induction tube welding process with continuous movement of the welded tube have been developed and tested. Coupled electromagnetic and thermal analyses are carried out at each time step of simulation for correction of temperature dependent material properties. Voltage or current of the induction coil can be individually input into electromagnetic analysis at each time step. This approach allows simulating "quasi" steady-state and transient operation modes.
ACCESSION #
99887349

 

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