PSI - Issue 2_A

Sami Holopainen et al. / Procedia Structural Integrity 2 (2016) 2718–2725 6 S. Holopainen et al. / Structural Integrity Procedia 00 (2016) 000–000 inted using Abaqus/CAE on: Mon Apr 25 14:37:58 FLE Daylight Time 2016

2723

Printed using Abaqus/CAE on: Mon Apr 25 14:39:37 FLE Daylight Time 20

Printed using Abaqus/CAE on: Mon Apr 25 14:37:58 FLE Daylight Tim

Printed using Abaqus/CAE on: Mon Apr 25 14:39:37 FLE Daylight

Fig. 5. Von Mises stress field (lhs) and pressure p = − 1

3 I 1 at maximum amplitude of the load.

5 · 10 − 5 4 · 10 − 5 3 · 10 − 5 2 · 10 − 5 1 · 10 − 5

1

0.8

0.6

D

D

0.4

C B A

C B A

0.2

0

0

2 · 10 5

4 · 10 5

6 · 10 5

8 · 10 5

10 6

0

5

10

15

20

N

N

Fig. 6. Damage evolution at points A,B and C for the case of the linear damage evolution ( k = 0), AISI-SAE 4340 steel ( σ − 1 = σ − L = σ − T ).

1

0.00014

0.00012

0.8

0.0001

0.6

8e-05

D

D

6e-05

0.4

C B A

4e-05

C B A

0.2

2e-05

0

0

2 · 10 5

4 · 10 5

6 · 10 5

0 5 10 15 20 25 30 35 40

N

N

Fig. 7. Damage evolution at points A,B and C for the case of the non-linear damage evolution ( k = 1), AISI-SAE 4340 steel.