11 Tenzori naprezanja i deformacija
11 Tenzori naprezanja i deformacija
11 Tenzori naprezanja i deformacija
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Posmi no naprezanje<br />
dT<br />
τ = dT = τ ⋅ dA<br />
dA<br />
Popre ne sile<br />
T = dT = τ<br />
y<br />
y<br />
A A<br />
T = dT = τ<br />
z<br />
z<br />
A A<br />
xz<br />
xy<br />
⋅ dA<br />
⋅ dA<br />
Normalno naprezanje<br />
σ<br />
x<br />
dN<br />
= dN = σ x<br />
dA<br />
⋅ dA<br />
Uzdužna sila N<br />
= = x ⋅ dA<br />
dN N σ<br />
A A<br />
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