PSI - Issue 59

M. Karuskevich et al. / Procedia Structural Integrity 59 (2024) 175–181 M. Karuskevich et al. / Structural Integrity Procedia 00 (2019) 000 – 000

180

6

CDF

0,0 0,1 0,2 0,3 0,4 0,5 0,6 0,7 0,8 0,9 1,0

1

F( N )

2

3

0

50000 100000 150000 200000 250000 300000 Cycles

Fig. 5. Cumulative distribution function for groups of specimens: 1 – no CPC; 2 – approximation by log-normal distribution; 3 – approximation by Weibull distribution.

PDF

0,0E+00 1,0E-06 2,0E-06 3,0E-06 4,0E-06 5,0E-06 6,0E-06 7,0E-06 8,0E-06 9,0E-06

2

1

3

f( N )

0 50000 100000 150000 200000 250000 300000 Cycles

Fig. 6. Probability density function for groups of specimens: 1 – no CPC; 2 – approximation by log-normal distribution; 3 – approximation by Weibull distribution.