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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.

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