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11 Tenzori naprezanja i deformacija

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σ = p ⋅ cosϕ<br />

= σ x<br />

σ = σ<br />

τ =<br />

1<br />

⋅<br />

cos<br />

2<br />

σ1<br />

⋅sin<br />

2ϕ<br />

2<br />

ϕ<br />

τ = p<br />

⋅sin<br />

ϕ = σ x<br />

⋅<br />

cos<br />

2<br />

31<br />

ϕ<br />

⋅ cosϕ<br />

⋅sin<br />

ϕ

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