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Computational Weld Mechanics - Towards a Simplified and Cost Effective Approach for Large Welded Structures
KTH, Skolan för teknikvetenskap (SCI), Farkost och flyg. Khalifa University.ORCID-id: 0000-0003-4180-4710
KTH, Skolan för teknikvetenskap (SCI), Farkost och flyg.
2015 (engelsk)Inngår i: Procedia Engineering, 2015, s. 62-69Konferansepaper, Publicerat paper (Fagfellevurdert)
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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.

sted, utgiver, år, opplag, sider
2015. s. 62-69
Emneord [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
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Identifikatorer
URN: urn:nbn:se:kth:diva-181555DOI: 10.1016/j.proeng.2015.08.040ISI: 000380482400009Scopus ID: 2-s2.0-84946094755OAI: oai:DiVA.org:kth-181555DiVA, id: diva2:900151
Konferanse
1st International Conference on Structural Integrity, ICSI 2015, 1 September 2014 through 4 September 2014
Merknad

QC 20160203

Tilgjengelig fra: 2016-02-03 Laget: 2016-02-02 Sist oppdatert: 2016-09-05bibliografisk kontrollert

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Totalt: 131 treff
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