Issue 39

J. Sobek et alii, Frattura ed Integrità Strutturale, 39 (2017) 129-142; DOI: 10.3221/IGF-ESIS.39.14

g n

 yy

1

2

4

7

11

 = 0.50

con 180° (0°)

ring, 5 mm

ring, 0.5 mm

Figure 7 : Relative error of crack opening stress  yy

field approximation for chosen variants of nodal selection.

137