Vitesses de déformation - mms2

Vitesses de déformation - mms2 Vitesses de déformation - mms2

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12.07.2015 Views

Le glissement simple⎡⎤˙γ0 02[W ∼] = ⎢⎣ − ˙γ 0 0⎥2⎦ ,0 0 0⎡[R] = ⎢∼ ⎣√ 11+(γ/2) 2−γ2 √ 1+(γ/2) 2 1˙θ W = − ˙γ 2 , tan θ R = − γ 2 , ˙θR = − ˙γ 2√ ⎤γ02 1+(γ/2) 2 √ 0 ⎥1+(γ/2) 2 ⎦0 0 111 + γ 2 /4Le champ de gradient des vitesses 26/84

Le tourbillon ponctuelLe champ de gradient des vitesses 27/84

Le glissement simple⎡⎤˙γ0 02[W ∼] = ⎢⎣ − ˙γ 0 0⎥2⎦ ,0 0 0⎡[R] = ⎢∼ ⎣√ 11+(γ/2) 2−γ2 √ 1+(γ/2) 2 1˙θ W = − ˙γ 2 , tan θ R = − γ 2 , ˙θR = − ˙γ 2√ ⎤γ02 1+(γ/2) 2 √ 0 ⎥1+(γ/2) 2 ⎦0 0 111 + γ 2 /4Le champ <strong>de</strong> gradient <strong>de</strong>s vitesses 26/84

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