Issue 66

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

0.0 0.2

y

B

yy  xy 

xy 

y 

x 

xx 

yy 

-1.2 -1.0 -0.8 -0.6 -0.4 -0.2

 

yy,in xy,in 0     

30 

xx 

x

O

1MPa

  

A

Absence of friction on the crack

xx,in 

Stresses along BA (absence of friction on the crack) [MPa]

0.0

0.1

0.2

0.3

0.4

(a)

B → A [m]

0.0 0.2

y

B

yy  xy 

xy 

y 

x 

xx 

yy 

-1.2 -1.0 -0.8 -0.6 -0.4 -0.2

 

yy,in xy,in 0     

30 

xx 

x

O

1MPa

  

A

Pr esence of friction on the crack

Stresses along BA (presence of friction on the crack) [MPa] xx,in 

0.0

0.1

0.2

0.3

0.4

(b)

B → A [m]

Figure 10: Stresses along BA for intact and cracked plates in case of (a) absence and (b) presence of friction along the crack lips.

0.0 0.2

y

B

yy  xy 

x 

yy 

xy 

-1.2 -1.0 -0.8 -0.6 -0.4 -0.2

 

yy,in xy,in 0      

xx 

30 

C

y 

xx,in 

x

O

1MPa

  

Absence of friction on the crack

xx 

Stresses along CB (absence of friction on the crack) [MPa]

0.0

0.1

0.2

0.3

0.4

(a)

C → B [m]

0.0 0.2

y

B

yy  xy 

x 

yy 

xy 

-1.2 -1.0 -0.8 -0.6 -0.4 -0.2

 

yy,in xy,in 0      

xx 

30 

C

y 

xx,in 

x

O

1MPa

  

Pr esence of friction on the crack

xx 

Stresses along CB (presence of friction on the crack) [MPa]

0.0

0.1

0.2

0.3

0.4

(b)

C → B [m]

Figure 11: Stresses along CB for intact and cracked plates in case of (a) absence and (b) presence of friction along the crack lips.

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