Issue 66

Ch. F. Markides et alii, Frattura ed Integrità Strutturale, 66 (2023) 233-260; DOI: 10.3221/IGF-ESIS.66.15

0.00

y

B

yy 

yy,in 

-0.20 -0.25

xx 

 

yy 

xy 

xy  xy,in 

30 

-0.40 -0.43

xx 

x

O

1MPa

  

-0.60

xx,in 

Absence of friction on the crack

-0.75

-0.80 Stresses along OB (absence of friction on the crack) [MPa]

0.00

0.07

0.14

0.21

0.28

(a)

O → B [m]

0.00

y

B

yy 

yy,in 

-0.20 -0.25

xx 

 

yy 

xy 

xy  xy,in 

30 

-0.40 -0.43

x

O

1MPa

-0.60

  

xx,in 

xx 

Pr esence of friction on the crack

-0.75

-0.80 Stresses along OB (presence of friction on the crack) [MPa]

(b)

0.00

0.07

0.14

0.21

0.28

O → B [m]

Figure 14: Stresses along the diagonal OB for intact and cracked plates in (a) absence and (b) presence of friction along the crack lips.

0.50

y

yy,in 

yy 

-1.00 -0.75 -0.50 -0.43 -0.25 0.00

xy  xy,in 

 

yy 

30 

xy 

xx 

xx,in 

x

O

1MPa

  

A

-1.50

xx 

Absence of friction on the crack

-2.00 Stresses along OA (absence of friction on the crack) [MPa]

0.00

0.07

0.14

0.21

0.28

(a)

O → A [m]

0.50

y

yy,in 

yy 

-1.00 -0.75 -0.50 -0.43 -0.25 0.00

xy  xy,in 

 

yy 

30 

xy 

xx 

xx 

x

xx,in 

O

1MPa

  

A

-1.50

Pr esence of friction on the crack

-2.00 Stresses along OA (presence of friction on the crack) [MPa]

0.00

0.07

0.14

0.21

0.28

(b)

O → A [m]

Figure 15: Stresses along the diagonal OA for intact and cracked plates in (a) absence and (b) presence of friction along the crack lips.

250