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作者:... Jaime T. Pinho de Castro , Samuel E. Ferreira , H. Wu
来源:[J].Fracture and Structural Integrity, 2017, Vol.11 (41), pp.98 - 105
摘要:Fatigue design routines and computer codes must use some damage accumulation rule to deal with variable amplitude loadings (VAL), usually Palmgren-Miner (or Miner㒒s) linear rule for lack of a clearly better option. Nevertheless, fatigue lives are intrinsically sensitive to t...
作者:Marco A. Meggiolaro , Jaime T. Pinho de Castro , H. Wu
来源:[J].Fracture and Structural Integrity, 2017, Vol.11 (41), pp.1 - 7
摘要:The recently proposed multiaxial racetrack filter (MRF) is able to deal with general non-proportional multiaxial load histories. While only requiring a single user-defined scalar filter amplitude, the MRF is able to synchronously eliminate non-damaging events from any noisy ...
作者:Marco Antonio Meggiolaro , Jaime Tupiassu Pinho de Castro , H. Wu
来源:[J].Fracture and Structural Integrity, 2016, Vol.10 (37), pp.138 - 145
摘要:Multiaxial fatigue damage calculations under non-proportional variable amplitude loadings still remains a quite challenging task in practical applications, in part because most fatigue models require cycle identification and counting to single out individual load events before qu...
作者:Marco Antonio Meggiolaro , J.T.P. Castro , H. Wu
来源:[J].Fracture and Structural Integrity, 2015, Vol.9 (33), pp.357 - 367
摘要:In this work, a comparison between NLK and Mrz-Garuds multi-surface formulations is presented. A unified common notation is introduced to describe the involved equations, showing that the Mr�z-Garud model can be regarded as a particular case of the NLK formulation. It is als...
作者:Marco Antonio Meggiolaro , J.T.P. Castro , H. Wu
来源:[J].Fracture and Structural Integrity, 2015, Vol.9 (33), pp.368 - 375
摘要:Filtering techniques have been proposed for multiaxial load histories, usually aiming to filter out non-reversals, i.e. sampling points that do not constitute a reversal in any of its stress or strain components. However, the path between two reversals is needed to evaluate the e...

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