11 Tenzori naprezanja i deformacija
11 Tenzori naprezanja i deformacija
11 Tenzori naprezanja i deformacija
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Dokaz za 2D - ravninsko stanje <strong>naprezanja</strong><br />
Σ M = 0<br />
( τ dy ⋅1)<br />
⋅ 2 - ( τ dx ⋅1)<br />
τ<br />
xy<br />
xy<br />
=<br />
M<br />
τ<br />
yx<br />
dx<br />
2<br />
yx<br />
dy<br />
2<br />
⋅ 2<br />
=<br />
0<br />
/<br />
:<br />
dx<br />
dy<br />
5