PSI - Issue 41

Fabrizio Greco et al. / Procedia Structural Integrity 41 (2022) 576–588 Author name / Structural Integrity Procedia 00 (2019) 000–000

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Fig. 5. (a) Comparison in terms of normalized Mode-I DSIFs between the proposed method, the analytical solution developed by Freund (Freund (1998)) and the numerical results gained by Chen et al. (Chen et al. (2019)); (b) Deformed configurations of the plate at different time steps.

c c x x ) assumed in numerical analyses

Table 1. Dimensions of q ( 1 2 ,

0.1 0.5 B a m    )

0 b m  )

Plateau-shaped function (

Pyramidal function (

b (m)

B (m)

0 0 B  

0.05 0.25 a  

0.15 0.075 B  

0.1 0.5 a   0.2 1 a   0.3 1.5 a  

0.3 0.15 B   0.5 0.25 B  

Fig. 6. Comparison in terms of normalized Mode-I DSIFs obtained adopting (a) a plateau and (b) a pyramid-shaped functions of variable sizes.