Issue 33

E. Maggiolini et alii, Frattura ed Integrità Strutturale, 33 (2015) 183-190; DOI: 10.3221/IGF-ESIS.33.23

Figure 7 : Example of first principal stress plot in rounded notch.

moves around the curvilinear part of the notch, always remaining in the first half of the rounded part.

Even σ eff,IG

Max. σ 1

Max. σ eff,IG

x

y

(H-r)/c

x

y

0

0.0000 0.0009 0.0015 0.0018 0.0019 0.0019 0.0021 0.0021 0.0022 0.0022

0.0000 0.0040 0.0053 0.0057 0.0058 0.0058 0.0061 0.0061 0.0062 0.0062

-0.0416 -0.0157 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000

0.0000 -0.0100 -0.0900 -0.1900 -0.2225 -0.1263 -0.0710 -0.0595 -0.0442 -0.0443

0.05 0.45 0.95 1.45 1.95 3.95 5.95 9.95

19.95

Table 2 : Position of the max. σ eff,IG

and σ1 related to (H-r)/c for r=c/20.

Graph 4: Tendency of the position as a function of r/c and (H-r)/c

188