Table 1: Reduced stiffness analysis results for each orthotropic shell.

Orthotropic laminate configuration 𝜎 𝑐 𝑚 ( 𝑖 𝑐 𝑚 , 𝑗 𝑐 𝑚 ) 𝑈 2 𝐵 𝑈 𝜃 2 𝐵 𝜕 𝑉 𝑥 2 𝑀 / 𝜕 𝜎 𝑐 𝑚
( × 1 0 7 P a ) ( × 1 0 5 ) ( × 1 0 5 ) ( × 1 0 1 2 ) ( N / m 2 ) 1

[ 0 ] 6 0.56 (8.3, 1)2.1392.030−3.811
[ 9 0 ] 6 0.40 (6.3, 1)2.2562.195−5.697
[ 0 , 0 , 9 0 ] 𝑠 0.47 (8.0, 1)2.0011.899−4.234
[ 0 , 9 0 , 0 ] 𝑠 0.59 (7.6, 1)2.3542.262−3.984
[ 9 0 , 0 , 0 ] 𝑠 0.78 (7.1, 1)2.8902.812−3.690
[ 9 0 , 0 , 9 0 ] 𝑠 0.58 (6.8, 1)2.5152.443−4.321
[ 9 0 , 9 0 , 0 ] 𝑠 0.66 (6.7, 1)2.8032.734−4.243