Issue 48

T. Profant et alii, Frattura ed Integrità Strutturale, 48 (2019) 503-512; DOI: 10.3221/IGF-ESIS.48.48

where

b b

cos = + =- + sin X b b q q

sin , q

ˆ X

Y b

(23)

b

cos . q

ˆ Y

X

Y

T of the fundamental

Figure 4 : The stress tensor components xy

xx T of the fundamental

Figure 3 : The stress tensor component

( T x h *

)

( T x h *

)

, ; x

, ; x

solution

compared with the FEM solution along the

solution

compared with the FEM solution along the

positive x - axis for the unit point force

1 h = = situated at f

f

positive x - axis for the unit point force

1 h = = situated at f

f

the point [ ] , x h .

the point [ ] , x h .

Figure 5 : The stress tensor components yy

T of the fundamental

Figure 6 : The energy release rate G e inclination q and the outer stress 1

as a function of the crack

T when

0 a =  .

( T x h *

)

, ; x

solution

compared with the FEM solution along the

positive x - axis for the unit point force

1 h = = situated at f

f

the point [ ] , x h .

508