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Industrial application of welding temperature field and distortion visualization using FEA

  • The non-uniform heat input during the welding process leads to problematic permanent deformations of welded parts. The control of these welding distortions is, with the absence of the knowledge of the fundamental mechanisms responsible for these deformations, an extremely time and cost consuming iterative “trial-and-error” optimization process. The visualization of the involved physical phenomena, like temperature and distortions, .is an indispensable tool to clearly identify these mechanisms in order to adapt the welding parameters and clamping conditions target-oriented. Both experimental and virtual methods exist to obtain these physical data, however the possibilities to visualize them with experimental methods are laborious, expensive and limited in their application. Welding Simulation using finite element analysis (FEA) offers many benefits and has a great potential to reduce the experimental effort. Nevertheless, the industrial application of welding Simulation is not yetThe non-uniform heat input during the welding process leads to problematic permanent deformations of welded parts. The control of these welding distortions is, with the absence of the knowledge of the fundamental mechanisms responsible for these deformations, an extremely time and cost consuming iterative “trial-and-error” optimization process. The visualization of the involved physical phenomena, like temperature and distortions, .is an indispensable tool to clearly identify these mechanisms in order to adapt the welding parameters and clamping conditions target-oriented. Both experimental and virtual methods exist to obtain these physical data, however the possibilities to visualize them with experimental methods are laborious, expensive and limited in their application. Welding Simulation using finite element analysis (FEA) offers many benefits and has a great potential to reduce the experimental effort. Nevertheless, the industrial application of welding Simulation is not yet established widely because of reservations regarding the computation costs and the resulting accuracy for instance. In this paper, the results of a case study for a welding Simulation with an industrial background are presented. A welded assembly from the automotive industry has been investigated with numerical and experimental methods. A comparison between both methods demonstrates the Potentials of welding Simulation in terms of visualization. Furthermore, the numerical results reveal the possibilities of current resources. regarding calculation time and result accuracy of an industrial applied welding Simulation.zeige mehrzeige weniger

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Metadaten
Autor*innen:Raphael Thater, William Perret, Christopher Schwenk, U. Alber, Michael RethmeierORCiD
Dokumenttyp:Beitrag zu einem Tagungsband
Veröffentlichungsform:Graue Literatur
Sprache:Englisch
Titel des übergeordneten Werkes (Englisch):VISUAL-JW 2010 - The international symposium on visualization in joining & welding science through advanced measurements and simulation (Proceedings)
Jahr der Erstveröffentlichung:2010
Herausgeber (Institution):Joining and Welding Research Institute, Osaka University (JWRI)
Jahrgang/Band:1
Ausgabe/Heft:PT-31
Erste Seite:245
Letzte Seite:246
Freie Schlagwörter:Automotive assembly; Distortion; Industrial application; Numerical welding simulation; Temperature field
Veranstaltung:VISUAL-JW 2010 - The international symposium on visualization in joining & welding science through advanced measurements and simulation
Veranstaltungsort:Osaka, Japan
Beginndatum der Veranstaltung:11.11.2010
Enddatum der Veranstaltung:12.11.2010
Verfügbarkeit des Dokuments:Datei im Netzwerk der BAM verfügbar ("Closed Access")
Datum der Freischaltung:19.02.2016
Referierte Publikation:Nein
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