Crack Paths 2012

1 c

_

0.09

0'9 -'

Lift-1111,21

‘m8

0.8 :

I

:

l

0.07

_

I

,1"

n E" 0.6 '

l |

7;’; fi 6/'| | l

'

‘E1

] /

5

-

|

a

|

|

- 0.05 5?

it

P

7

|

I

-

p

\ _

If“: .........................

._I_.

_ 0.04 \

504' “f- _lTlT’i'

-

03 l

0.03

0 2

Solid lines: Eq. (8)

002

'

_

Symbols: F E M

.

0.1 -

- 0.01

0 c e

“

'

0

0.001

0.01

0.1

1

10

Distance fromthe notch tip [min]

Figure 2. Plot of the stress components 172x and 172, along the x-direction for an inclined

elliptical hole (a=1 m m ,b=0.1 m mand B=45°) and comparison with Eq. (8). Distance

from the mid plane z=2.5 m m .

1.2

_9 0.7

P0

2

G.)

8

g 0 2 (I)

is

G.)

.1: m

-0.3

Solidlines: Eq. (8)

Symbols: F E M

_ 0 - 8

I

I

l

—90

—60

—30

0

30

60

90

(P 1°]

Figure 3. Plot of the stress components along the edge of an inclined elliptical hole (a=1

m m ,b=0.l m mand B245") and comparison with Eq. (8). Plate thickness t= 6mm.

Distance from the mid plane z=2.5 m m .

Eq. (3), and can be written as [1 l]:

962