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RHÉOLOGIE

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Contraintes et déformations<br />

F<br />

F<br />

∆S<br />

Contrainte: Force appliquée sur une<br />

surface ∆S<br />

σ = dF<br />

dS<br />

σ 1 > σ 2 > σ 3<br />

– p.2/34

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