Probabilistic framework for fatigue life assessment of notched components under size effects

D Liao, SP Zhu, B Keshtegar, G Qian… - International Journal of …, 2020 - Elsevier
Structural integrity assessments with discontinuities are critical for ensuring operational life
and reliability of engineering components. In this work, through combining with the …

A nonlinear fatigue damage accumulation model under variable amplitude loading considering the loading sequence effect

H Chen, F Yang, Z Wu, B Yang, J Huo - International Journal of Fatigue, 2023 - Elsevier
Damage accumulation is nonlinear in the actual fatigue process, and the loading sequence
is an important factor under variable amplitude loading. In this paper, a nonlinear fatigue …

A new FE post-processor for probabilistic fatigue assessment in the presence of defects and its application to AM parts

S Romano, S Miccoli, S Beretta - International Journal of Fatigue, 2019 - Elsevier
Despite the disruptive benefits of Additive Manufacturing (AM), the application of this
technology for safety-critical structural parts in aerospace is still far from being achieved and …

Combined notch and size effect modeling in a local probabilistic approach for LCF

L Mäde, S Schmitz, H Gottschalk, T Beck - Computational Materials Science, 2018 - Elsevier
In recent years a local probabilistic model for low cycle fatigue (LCF) based on the statistical
size effect has been developed and applied on engineering components. Here, the notch …

Modeling the statistical distribution of fatigue crack formation lifetime in large volumes of polycrystalline microstructures

T Gu, KS Stopka, C Xu, DL McDowell - Acta Materialia, 2023 - Elsevier
Microstructure-scale interactions involving crystallographic texture (orientation and
disorientation distributions), distributions of grain shape and size, nearest neighbor …

An asymptotic stochastic response surface approach to reliability assessment under multi-source heterogeneous uncertainties

J He, M Huang, W Wang, S Wang, X Guan - Reliability Engineering & …, 2021 - Elsevier
An asymptotic stochastic response surface method for structural reliability assessment under
multi-source heterogeneous uncertainties is proposed in this study. The fatigue reliability of …

Evaluation of size effect on strain-controlled fatigue behavior of a quench and tempered rotor steel: Experimental and numerical study

SP Zhu, S Foletti, S Beretta - Materials Science and Engineering: A, 2018 - Elsevier
Combining the weakest-link theory with fatigue crack growth modeling, this study presents a
mechanical-probabilistic modeling of specimen size effect for 30NiCrMoV12 steel in a low …

A probabilistic model for low-cycle fatigue crack initiation under variable load cycles

Z Jiang, Z Han, M Li - International Journal of Fatigue, 2022 - Elsevier
A probabilistic low-cycle fatigue (LCF) model, ProbLCF-VA, is proposed in this work to
describe the scatter of the LCF crack initiation life for homogeneous materials subjected to …

Probabilistic notch fatigue assessment under size effect using weakest link theory

WQ Dai, SP Zhu, JC He, AT Taddesse… - Engineering Fracture …, 2022 - Elsevier
Notch and size effects exerts significant influence on the fatigue performances of
engineering components. In the present study, a probabilistic framework for fatigue life …

A log-normal format for failure probability under LCF: Concept, validation and definition of design curve

S Beretta, S Foletti, E Rusconi, A Riva… - International Journal of …, 2016 - Elsevier
Turbine components are usually designed onto safe-life approach, where the low-cycle
fatigue analysis is based on design life curves with suitable probabilistic life margins …