PSI - Issue 75

Robert Goraj et al. / Procedia Structural Integrity 75 (2025) 691–708 Goraj/ Structural Integrity Procedia (2025)

705 15

Appendix B. Comparison of the mean stress correction factors

Fig. 13. Mean stress correction factor – comparison

Table 4. Selected mean stress correction models model

formula

reference

(27)

FKM [30] Smith-Watson-Topper (1 − ( 2 ) ) 1/2 [37] Gerber 1−( ̅ ( ) ) 2 [37] Goodman 1− ̅ ( ) [37] Smith − ̅ ( ) + ̅ ( ) [37]

Appendix C. Fatigue proof

Fig. 14. Fatigue proof (excerpt from the RIFEST output)