a análise de placas laminadas compostas inteligentes
a análise de placas laminadas compostas inteligentes
a análise de placas laminadas compostas inteligentes
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7.5 Solução <strong>de</strong> Navier 141<br />
(B12 + B66) ∂2 u 0<br />
L11<br />
+ B66<br />
∂x∂y<br />
∂2v 0 ∂<br />
+ B22<br />
∂x2 2v0 ∂y2 + (D12 + D66) ∂2ψx ∂x∂y<br />
+ (F12 + F66) ∂2 ψ3x<br />
∂w<br />
− Ac44ψy − Ac44<br />
0<br />
−<br />
npiez <br />
k=1<br />
npiez <br />
−<br />
k=1<br />
∂ 2 ψ3y<br />
∂ 2 ψ3y<br />
∂y 2<br />
+ D66<br />
+ F66<br />
∂x∂y ∂x2 + F22<br />
∂y − Ac45ψx<br />
∂w<br />
− Ac45<br />
0<br />
∂x − 3Dc44ψ3y − 3Dc45ψ3x<br />
<br />
<br />
1<br />
2hk<br />
<br />
hk<br />
2<br />
(z 2 k − z 2 k−1)<br />
e (k)<br />
14<br />
∂ϕk−1<br />
∂x<br />
e (k)<br />
36<br />
+ e(k)<br />
24<br />
∂2u0 ∂<br />
+ L66<br />
∂x2 2u0 ∂y2 + (L12 + L66) ∂2v 0<br />
+ H11<br />
∂ 2 ψ3x<br />
+ H66<br />
∂x2 ∂ϕk−1<br />
∂x<br />
∂ϕk−1<br />
∂y<br />
+ F11<br />
∂x∂y<br />
+ e(k)<br />
32<br />
∂ϕk−1<br />
∂y<br />
<br />
− mx = fmy<br />
∂2ψy ∂<br />
+ D22<br />
∂x2 2ψy ∂y2 ∂2ψx ∂<br />
+ F66<br />
∂x2 2ψx ∂y2 + (F12 + F66) ∂2ψy ∂x∂y<br />
∂2ψ3x ∂y2 + (H12 + H66) ∂2ψ3y ∂x∂y<br />
∂w<br />
− 3Dc45ψy − 3Dc45<br />
0<br />
∂y − 3Dc55ψx<br />
∂w<br />
− 3Dc55<br />
0<br />
∂x − 9F c45ψ3y − 9F c55ψ3x<br />
npiez 1<br />
− (z<br />
4hk k=1<br />
4 k − z 4 <br />
k−1) e (k)<br />
<br />
∂ϕk−1 ∂ϕk−1<br />
31 + e(k) 36<br />
∂x ∂y<br />
npiez <br />
<br />
<br />
1<br />
−<br />
k=1<br />
hk<br />
(L12 + L66) ∂2 u 0<br />
4 zk 12 − zkz3 k−1<br />
3 + z4 k−1<br />
4<br />
+ L66<br />
∂x∂y<br />
3e (k)<br />
15<br />
∂ϕk−1<br />
∂x<br />
+ 3e(k)<br />
25<br />
∂ϕk−1<br />
∂y<br />
∂2v 0 ∂<br />
+ L22<br />
∂x2 2v0 ∂y2 + (F12 + F66) ∂2ψx ∂x∂y<br />
+ (H12 + H66) ∂2 ψ3x<br />
∂ 2 ψ3y<br />
∂ 2 ψ3y<br />
∂y 2<br />
+ F66<br />
+ m3y = f3mx<br />
∂2ψy ∂<br />
+ F22<br />
∂x2 2ψy ∂y2 + H66<br />
∂x∂y ∂x2 + H22<br />
∂w<br />
− 3Dc44ψy − 3Dc44<br />
0<br />
∂y − 3Dc45ψx<br />
∂w<br />
− 3Dc45<br />
0<br />
∂x − 9F c44ψ3y − 9F c45ψ3x<br />
npiez 1<br />
− (z<br />
4hk k=1<br />
4 k − z 4 <br />
k−1) e (k)<br />
<br />
∂ϕk−1 ∂ϕk−1<br />
36 + e(k) 32<br />
∂x ∂y<br />
npiez <br />
<br />
<br />
1<br />
−<br />
− m3x = f3my<br />
k=1<br />
hk<br />
4 zk 12 − zkz3 k−1<br />
3 + z4 k−1<br />
4<br />
3e (k)<br />
14<br />
∂ϕk−1<br />
∂x<br />
+ 3e(k)<br />
24<br />
∂ϕk−1<br />
∂y<br />
(7.87)<br />
(7.88)<br />
(7.89)<br />
Então, substituindo as expansões propostas para os <strong>de</strong>slocamentos generalizados (7.74)