PSI - Issue 75

Aijia Li et al. / Procedia Structural Integrity 75 (2025) 318–333 Aijia Li, Christian Garnier, Marie-Laetitia Pastor, Xiaojing Gong, Clément Keller/ Structural Integrity Procedia (2025) 9

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Double circular (3 mm < R < 6 mm) Single circular (10 mm < R < 20 mm) Double circular (3 mm < R < 6 mm) Single circular (10mm < R < 20 mm) Double circular (3 mm < R <6 mm)

2

No

Yes

Normal

Good

3

No

No

Simple

Bad

Circular hole (6 mm < d < 12 mm)

No

No

Simple

Bad

4

5

No

No

Difficult

Normal

Circular protrusion (16 mm < d < 26 mm)

6

No

No

Difficult

Normal

Fig. 6. determined geometry of the initial simulation procedure: a cruciform specimen with a reduced area and singular circular transition

Fig. 7. stress (Von-Mises stress) distribution and maximum stress location of a few representative designs