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a análise de placas laminadas compostas inteligentes

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7.4 Equações do movimento em termos <strong>de</strong> <strong>de</strong>slocamentos generalizados 134<br />

∂<br />

B16<br />

2u0 ∂x2 + (B12 + B66) ∂2u0 ∂x∂y<br />

∂<br />

+ D16<br />

2ψx + B26<br />

∂ 2 u 0<br />

+ B66<br />

∂y2 ∂ 2 ψx<br />

∂x2 + (D12 + D66) ∂2ψx + D26<br />

∂x∂y<br />

∂<br />

+ F16<br />

2ψ3x ∂x2 + (F12 + F66) ∂2ψ3x + F26<br />

∂x∂y<br />

∂w<br />

− Ac44ψy − Ac44<br />

0<br />

∂y − Ac45ψx − Ac45<br />

+ H11<br />

−<br />

npiez <br />

k=1<br />

−<br />

e (k)<br />

36<br />

npiez <br />

k=1<br />

1<br />

2hk<br />

∂<br />

L11<br />

2u0 ∂<br />

+ 2L16<br />

2 2u0 + F11<br />

−<br />

∂x<br />

+ D66<br />

∂y2 ∂2ψ3x + F66<br />

∂y2 (z 2 k − z 2 k−1) ∂ϕk−1<br />

∂x −<br />

npiez<br />

e (k) hk ∂ϕk−1<br />

14<br />

2 ∂x −<br />

npiez <br />

k=1<br />

+ L66<br />

∂x∂y<br />

∂2ψx ∂x2 ∂<br />

+ 2F16<br />

2ψx ∂x∂y<br />

∂2ψ3x ∂x2 ∂<br />

+ 2H16<br />

2ψ3x ∂x∂y<br />

− 3Dc45ψy − 3Dc45<br />

npiez <br />

k=1<br />

−<br />

1<br />

hk<br />

npiez <br />

k=1<br />

e (k)<br />

31<br />

1<br />

4hk<br />

+ F66<br />

+ H66<br />

∂ 2 u 0<br />

4 zk 12 − zkz3 k−1<br />

3 + z4 k−1<br />

4<br />

+ L16<br />

∂y2 ∂ 2 ψx<br />

∂2v 0 ∂<br />

+ 2B26<br />

∂x2 2v0 ∂<br />

+ B22<br />

∂x∂y 2v0 ∂y2 ∂2ψy ∂x2 ∂<br />

+ 2D26<br />

2ψy ∂<br />

+ D22<br />

∂x∂y 2ψy ∂y2 ∂2ψ3y ∂x2 ∂<br />

+ 2F26<br />

2ψ3y ∂<br />

+ F22<br />

∂x∂y 2ψ3y ∂y2 ∂w0 ∂x − 3Dc44ψ3y − 3Dc45ψ3x<br />

1<br />

k=1<br />

+ F16<br />

∂y2 e (k)<br />

32<br />

2hk<br />

(z 2 k − z 2 k−1) ∂ϕk−1<br />

∂y<br />

e (k) hk ∂ϕk−1<br />

24<br />

2 ∂y − mx = fmy<br />

∂ 2 v 0<br />

∂x 2 + (L12 + L66) ∂2 v 0<br />

∂x∂y<br />

∂2ψy ∂x2 + (F12 + F66) ∂2ψy ∂x∂y<br />

∂2ψ3x ∂<br />

+ H16<br />

∂y2 2ψ3y ∂x2 + (H12 + H66) ∂2ψ3y ∂x∂y<br />

∂<br />

+ L26<br />

2v0 ∂y2 ∂<br />

+ F26<br />

2ψy ∂y2 (7.70)<br />

∂<br />

+ H26<br />

2ψ3y ∂y2 ∂w0 ∂y − 3Dc55ψx<br />

∂w<br />

− 3Dc55<br />

0<br />

∂x − 9F c45ψ3y − 9F c55ψ3x<br />

<br />

(z 4 k − z 4 k−1) ∂ϕk−1<br />

∂x −<br />

npiez<br />

<br />

3e (k)<br />

15<br />

k=1<br />

∂ϕk−1<br />

∂x<br />

e (k)<br />

36<br />

1<br />

4hk<br />

+ 3e(k)<br />

25<br />

(z 4 k − z 4 k−1) ∂ϕk−1<br />

∂y<br />

<br />

∂ϕk−1<br />

+ m3y = f3mx<br />

∂y<br />

(7.71)

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