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Combining variation simulation with welding simulation for prediction of deformation
Institutionen för produkt- och produktionsutveckling, produktutveckling.
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Product and Production Development.
Institutionen för produkt- och produktionsutveckling, produktutveckling.
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2012 (English)In: Proceedings of the ASME International Mechanical Engineering Congress and Exposition - 2010: presented at ASME 2010 International Mechanical Engineering Congress and Exposition, November 12 - 18, 2010, Vancouver, BC, Canada, New York: American Society of Mechanical Engineers , 2012, Vol. 11, p. 81-88Conference paper, Published paper (Refereed)
Abstract [en]

In most variation simulations, i.e. simulations of geometric variations in assemblies, the influence from the heating and cooling processes, generated when two parts are welded together, is not taken into consideration. In most welding simulations the influence from geometric tolerances on parts is not taken into consideration, i.e. the simulations are based on nominal parts. In this paper these two aspects, both crucial for predicting the final outcome of an assembly, are combined by linking two commercial software packages for variation simulation and for welding simulation together. Monte Carlo simulation is used to generate a number of different non-nominal parts in the variation simulation software. The translation and rotation matrices, representing the deviations from the nominal geometry due to positioning error, are exported to the welding simulation software, where the effects from welding are applied. Thereafter, the results from the welding simulation are exported back to the variation simulation software in order to compute and illustrate the deviations and variations of the final subassembly. The method is applied on a simple case, a T-weld joint, with available measurements of residual stresses and deformations. The effect of the different sources of deviation on the final outcome is analyzed and the difference between welding simulations applied to nominal parts and to disturbed parts is investigated.

Place, publisher, year, edition, pages
New York: American Society of Mechanical Engineers , 2012. Vol. 11, p. 81-88
National Category
Other Mechanical Engineering
Research subject
Computer Aided Design
Identifiers
URN: urn:nbn:se:ltu:diva-35569DOI: 10.1115/IMECE2010-37369Scopus ID: 84881442285Local ID: a253a090-03ad-11e0-b767-000ea68e967bISBN: 9780791844489 (print)OAI: oai:DiVA.org:ltu-35569DiVA: diva2:1008822
Conference
ASME International Mechanical Engineering Congress & Exposition : 12/11/2010 - 18/11/2010
Note
Godkänd; 2012; 20101209 (leka)Available from: 2016-09-30 Created: 2016-09-30 Last updated: 2017-11-25Bibliographically approved

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