PSI - Issue 28

Yifan Li et al. / Procedia Structural Integrity 28 (2020) 1140–1147 Author name / Structural Integrity Procedia 00 (2019) 000 – 000

1144

5

the values of dimensionless parameters Y i and T * calculated from extensive finite element analyses performed for various relative crack lengths, hole diameter to plate length ratios and crack orientation angles.

1.2

2.5

2 a /W=0.5 2 a /W=0.6 2 a /W=0.7 2 a /W=0.8

D/W=0.4

2 a /W=0.5 2 a /W=0.6 2 a /W=0.7 2 a /W=0.8

D/W=0.4

1.0

2.0

0.8

1.5

0.6

1.0

Y II

Y I

0.4

0.5

0.2

0.0

0.0

-0.5

0

10

20

30

40

50

60

70

0

10

20

30

40

50

60

70

 (  )

 (  )

(a) Y I

(b) Y II

0.0

-0.4

-0.8

T*

-1.2

2 a /W=0.5 2 a /W=0.6 2 a /W=0.7 2 a /W=0.8

-1.6

D/W=0.4

0

10

20

30

40

50

60

70

 (  )

(c) T * Fig. 4. Dimensionless parameters versus orientation angle for different relative crack lengths: (a) dimensionless parameter Y I , (b) dimensionless parameter Y II , (c) dimensionless parameter T *.

3.0

1.2

2 a /W=0.8

D/W=0.4 D/W=0.5 D/W=0.6

D/W=0.4 D/W=0.5 D/W=0.6

2 a /W=0.8

2.5

1.0

2.0

0.8

1.5

0.6

Y II

Y I

1.0

0.4

0.5

0.2

0.0

0.0

-0.5

0

10

20

30

40

50

60

70

0

10

20

30

40

50

60

70

 (  )

 (  )

(a) Y I

(b) Y II