12.07.2015 Views

Vitesses de déformation - mms2

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Le glissement simple⎡[L ∼] = ⎣0 ˙γ 00 0 00 0 0⎡⎤⎦ [D ∼] = ⎢⎣⎤˙γ0 02˙γ0 0⎥2⎦0 0 0⎡˙γ0 0[W] = 2⎢∼⎣ − ˙γ 0 020 0 0Remarquer que les directions principales <strong>de</strong> D ∼ne tournent pas.Pour autant, W ∼n’est pas nul...⎤⎥⎦Le champ <strong>de</strong> gradient <strong>de</strong>s vitesses 25/84

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