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Biomechanics of Soft Tissue Arti Ahluwalia Arti.ahluwalia@ing.unipi ...

Biomechanics of Soft Tissue Arti Ahluwalia Arti.ahluwalia@ing.unipi ...

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Proprieta Meccaniche<br />

Legamento Tendine Cartilagine Osso<br />

Mod Elastico 1 GPa 2 GPa 150 MPa<br />

Legamenti e tendini mostrano un tipico<br />

comprtamento viscoelastico: stress<br />

relaxation, creep, issteresi e<br />

precondizionamento. Il comportamento è<br />

sempre come il modello Kelvin, ma non si<br />

puo dire a cosa attribuire i parametri.<br />

ε<br />

σ<br />

t 0<br />

t<br />

σ<br />

alta vel<br />

ε<br />

bassa vel<br />

Risposta tipica a carico e scarico ciclico.<br />

Il legamento “ammorbidisce”<br />

13

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