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Fatigue Life Prediction of Welded Structures Based on Crack Growth Analysis
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2013
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EngineeringLife PredictionMechanical EngineeringStructural SteelFatigueStructural EngineeringCrack Growth AnalysisWelding ProcessService Life PredictionFatigue LifeCrack OpeningStructural Health MonitoringLow-cycle FatigueCivil EngineeringWelded StructuresFatigue Life PredictionStructural MechanicsConstruction EngineeringMechanics Of MaterialsFracture Mechanics
A fatigue life prediction system for welded structures has been developed based on crack growth analysis. In the developed system, the fatigue life can be predicted taking into account the effects of the residual stress and the load sequences by the crack opening and closure simulation. Furthermore, the effect of fatigue strength improvement techniques, such as UIT, can be accurately predicted by the developed system.