Crack Paths 2009
selected elementary branch is shown in Fig. 4 along with the link between the angles ϕ
and α.
Figure 4. Scheme of a branched element at the semi-elliptical crack front.
7
6
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K eff - branch I-branch ef ellipse II - branch
0
20
40
60
80
ϕ [deg]
Figure 5. The solution of the branched crack problem for the semi-elliptical crack front
with b/a = 0.7.
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