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dc.contributor.authorBendeich, PJ-
dc.contributor.authorSmith, MC-
dc.contributor.authorCarr, DG-
dc.contributor.authorEdwards, L-
dc.identifier.citationBendeich, P. J., Smith, M. C., Carr, D. G., & Edwards, L. (2009). Sensitivity of predicted weld residual stresses in the NeT task group 1 single bead on plate benchmark problem to finite element mesh design and heat source characteristics. ASME 2009 Pressure Vessels and Piping Conference (PVP2009), 26th – 30th July 2009. Prague, Czech Republic: Hilton Prague. In Proceedings of the ASME Pressure Vessels and Piping Conference 2009 - Materials and Fabrication, Parts A and B, 6, 501-507(PVP2009-77584). doi:10.1115/PVP2009-77584en_AU
dc.description.abstractA single weld bead deposited on a flat plate is a deceptively simple problem that is, in practice, a significant challenge for both measurement and prediction of weld residual stresses. Task Group 1 of the NeT collaborative network has examined this problem in an extensive programme of measurement and simulation extending from 2002 to 2008. Thus, the NeT bead on plate forms an ideal benchmark problem for the development of weld residual stress simulation techniques. It is often difficult to separate the influence of different analysis variables in a large collaborative study such as NeT Task Group 1. This paper examines sensitivity to mesh design, element type, and heat source characteristics in a closely controlled study using several different mesh designs, element types (both tetrahedral and hexahedral), and heat sources, but the same material constitutive model and finite element analysis code. It complements a companion paper that varies material constitutive models. A dedicated heat source modelling tool with a semi-automatic interface to the ABAQUS finite element code has been used to vary the heat source characteristics, thus facilitating rapid and controlled sensitivity studies without the need for bespoke heat source coding within ABAQUS.en_AU
dc.publisherAmerican Society of Mechanical Engineers (ASME)en_AU
dc.subjectWelded jointsen_AU
dc.subjectResidual stressesen_AU
dc.subjectHeat sourcesen_AU
dc.subjectFinite element methoden_AU
dc.subjectMesh generationen_AU
dc.titleSensitivity of predicted weld residual stresses in the NeT task group 1 single bead on plate benchmark problem to finite element mesh design and heat source characteristicsen_AU
dc.typeConference Paperen_AU
Appears in Collections:Conference Publications

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