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A Comparative Analysis: Time vs. Frequency Domain Definitions of the Fatemi-Socie Criterion

In the realm of multiaxial fatigue analysis, the Fatemi-Socie criterion stands as a well-established and validated tool, having undergone rigorous experimental scrutiny with consistently favorable outcomes across a wide spectrum of materials [1]. Prior evaluations have predominantly involved comparisons under constant amplitude, both in proportional and non-proportional loading scenarios, with less frequent exploration of variable amplitude or random loadings [2].

Notably, there has been a gap in employing this criterion, particularly in the context of frequency domain and algorithms utilizing the power spectral density function. In this study, the authors introduce a comprehensive adaptation of the Fatemi-Socie criterion to the frequency domain and compare the resulting…

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In the realm of multiaxial fatigue analysis, the Fatemi-Socie criterion stands as a well-established and validated tool, having undergone rigorous experimental scrutiny with consistently favorable outcomes across a wide spectrum of materials [1]. Prior evaluations have predominantly involved comparisons under constant amplitude, both in proportional and non-proportional loading scenarios, with less frequent exploration of variable amplitude or random loadings [2].

Notably, there has been a gap in employing this criterion, particularly in the context of frequency domain and algorithms utilizing the power spectral density function. In this study, the authors introduce a comprehensive adaptation of the Fatemi-Socie criterion to the frequency domain and compare the resulting fatigue assessments with those obtained in the time domain.

The comparative analysis extends to critical plane identification, critical plane amplitudes and maxima analysis, and overall fatigue life determination. The findings reveal a compelling similarity in fatigue life predictions between computational algorithms operating in both the time and frequency domains, underscoring the criterion's versatility and robustness.

Artikelnummer
VAL5-2024-037

Titel
A Comparative Analysis: Time vs. Frequency Domain Definitions of the Fatemi-Socie Criterion
Autor(en)
A. Niesłony, M. Böhm, M. Sgamma, A. Chiocca, F. Bucchi, F. Frendo
DOI
10.48447/VAL5-2024-037
Veranstaltung
VAL5 - Fifth International Conference on Material and Component Performance under Variable Amplitude Loading
Jahr der Veröffentlichung
2024
Publikationsart
Tagungsmanuskript (PDF)
Sprache
Englisch
Stichwörter
Fatemi-Socie criterion,frequency domain,vibration fatigue,multiaxial fatigue