Issue 59

S.K. Kourkoulis et alii, Frattura ed Integrità Strutturale, 59 (2022) 405-422; DOI: 10.3221/IGF-ESIS.59.27

Figure 6: The loading and the boundary conditions.

50

σxx-central σyy-central σxx-front σyy-front

45

30

σxx-analytical σyy-analytical

40

35

y [mm]

30

20

25

-150

-75

0

75

150

σ normal [MPa]

20 (b)

y [mm]

10

0

2.5 12.0 21.5 31.0 40.5 50.0

Initial geometry Analytical Numerical

-20

σ normal [MPa]

0

-40

σxx-central σyy-central σxx-front σyy-front σxx-analytical σyy-analytical

0

1

2

3

x [mm]

-60

(a)

-80

x [mm]

(c)

Figure 7: (a) Undeformed and deformed geometries of one quarter of the perimeter of the notch; normal stresses developed along the vertical y-axis (b) and the horizontal x-axis (c), as they were obtained by both the analytical and the numerical approaches.

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