Rasmus ÿstergaard forside 100%.indd - Solid Mechanics
Rasmus ÿstergaard forside 100%.indd - Solid Mechanics
Rasmus ÿstergaard forside 100%.indd - Solid Mechanics
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JR<br />
σn<br />
σt<br />
U ∗<br />
n<br />
JR = σndU<br />
0<br />
E U ∗<br />
t<br />
n + σtdU<br />
0<br />
E t + Gc,<br />
<br />
<br />
E E ∗ ∗ <br />
Un Ut Un U<br />
t<br />
<br />
<br />
Gc<br />
<br />
<br />
<br />
JR = Jss.