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Computational Weld Mechanics - Towards a Simplified and Cost Effective Approach for Large Welded Structures
KTH, School of Engineering Sciences (SCI), Aeronautical and Vehicle Engineering. Khalifa University.ORCID iD: 0000-0003-4180-4710
KTH, School of Engineering Sciences (SCI), Aeronautical and Vehicle Engineering.
2015 (English)In: Procedia Engineering, 2015, 62-69 p.Conference paper (Refereed)Text
Abstract [en]

The current paper presents the development of a finite element analysis framework for computational weld mechanics, in order to carry out cost-effective predictions of welding induced residual stresses with good accuracy. Different approaches for describing the welding heat sources were investigated. The paper also investigates the influence of thermo-mechanical material properties of frequently used steel grades (S355-S960) on welding residual stresses and angular distortion. The predicted residual stresses were validated experimentally on several different small scale specimens with X-ray diffraction techniques. Finally, the developed simulation framework is demonstrated on complex welded structures in a construction equipment vehicle.

Place, publisher, year, edition, pages
2015. 62-69 p.
Keyword [en]
computational weld mechanics, finite element analysis, residual stresses, Construction equipment, Cost benefit analysis, Cost effectiveness, Mechanics, Stresses, Structural integrity, Welding, Welds, X ray diffraction, Angular distortions, Complex welded structures, Cost-effective approach, Simulation framework, Welding heat sources, Welding residual stress, Welding-induced residual stress, X-ray diffraction techniques, Finite element method
National Category
Applied Mechanics Reliability and Maintenance
URN: urn:nbn:se:kth:diva-181555DOI: 10.1016/j.proeng.2015.08.040ISI: 000380482400009ScopusID: 2-s2.0-84946094755OAI: diva2:900151
1st International Conference on Structural Integrity, ICSI 2015, 1 September 2014 through 4 September 2014

QC 20160203

Available from: 2016-02-03 Created: 2016-02-02 Last updated: 2016-09-05Bibliographically approved

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Barsoum, ZuheirBhatti, Ayjwat
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