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Physics-guided GNN-transformer model for multi-scale fatigue life prediction of concrete track slabs in high-speed railways. [PDF]

Sci Rep
Su X, Lou P, Zha Z.
europepmc   +1 more source

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Damage accumulation model for low cycle fatigue

International Journal of Fatigue, 2008
This paper presents the description of damage accumulation for analysis of fatigue life of structural elements under non-proportional loading states. Damage accumulation rule has been formulated incrementally and connected with a monotonic work-hardening curve. The numerical algorithm is decomposed into two calculation blocks. The first presents method
Jaroslaw Szusta, A Seweryn
exaly   +2 more sources

Model of Fatigue Damage Accumulation

Key Engineering Materials, 2014
In this paper, the analytical method of fatigue life estimation of gear teeth is proposed. The computational model of fatigue damage accumulation was built using the adequate NASGRO 2/3 formula, moreover Formans and Paris-Erdogans laws were utilized for comparison. The ranges of stress intensity factor were determined using the boundary element method.
Józef Drewniak, Jacek Rysiński
openaire   +1 more source

Stochastic Fatigue Damage Accumulation

Journal of Structural Engineering, 1984
A study is made of several aspects of the problem of predicting fatigue failure by using the Palmgren‐Miner (PM) approximation, with cycles defined by the rainflow procedure. The stress time history is considered to be a stationary stochastic process, and the term fatigue is considered to refer to crack initiation or crack propagation, or both.
Lutes, Loren D., Corazao, Miguel, Hu, Sau Lon James, Zimmerman, James   +3 more
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Analysis of Fatigue Damage Accumulation in TiAl Intermetallics

Key Engineering Materials, 2013
In this work, a Ti-48Al-2Cr-2Nb alloy obtained with a additive manufacturing technique by electron beam melting (EBM) has been examined by conducting high cycle fatigue tests both with plain specimens and with specimens with artificially introduced defects with the objective of studying the growth behavior of small cracks.
BERETTA, STEFANO, FILIPPINI, MAURO, PATRIARCA, LUCA, Sabbadini, Silvia   +3 more
openaire   +2 more sources

Fatigue damage accumulation in marine propellers1

International Shipbuilding Progress, 1980
Data from literature indicate that in marine propellers appreciable deviations from the nominal stress conditions are caused by ships motions. If these motions are the results of wave action, they can be determined by spectral analysis, if response characteristics are available. In a case study a computer simulation of ships motion velocity is executed
Helle, H.P.E., Hageman, L.A.S.
openaire   +1 more source