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dynamique non-lineaire des systemes multi-rotors. etudes ...

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16 CHAPITRE 1. DYNAMIQUE DES TURBORÉACTEURS<br />

y<br />

PSfrag replacements<br />

Y<br />

v<br />

ω<br />

X<br />

φ<br />

θ = ωt<br />

0<br />

u<br />

ψ<br />

x<br />

Fig. 1.7 – Repères utilisés et convention de signes<br />

g replacements<br />

y<br />

2<br />

4<br />

PSfrag replacements<br />

3<br />

1<br />

y<br />

2<br />

n2<br />

6<br />

8<br />

n1<br />

x<br />

θ = ωt<br />

4<br />

z<br />

θ = ωt<br />

7<br />

5<br />

z<br />

n1<br />

3<br />

1<br />

x<br />

(a) Elément poutre (arbre)<br />

(b) Inertie concentrée<br />

Fig. 1.8 – Eléments finis

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