Research Article
Improved Genetic Algorithm with Two-Level Approximation Method for Laminate Stacking Sequence Optimization by Considering Engineering Requirements
Table 8
Summary of stacking sequence designs.
| | | Laminate
Co: conic part
Cy: cylindrical part | Plies | Weight of main cylinder, kg | , Hz | | Number of structural analyses | CPU cost, h |
| | Case | 45/−45/902s
45/−45/0/45/−45/0s | (Cy)—08
(Co)—12 | 3.068 | 17.335 | 1.4425 | 6 | 1.15 |
| | Case | 902/45/−45s
0/453/−453/02s | (Cy)—08
(Co)—18 | 3.254 | 17.423 | 1.4664 | 15 | 2.95 |
| | Case | 90/452/−452s
0/452/−452/02s | (Cy)—10
(Co)—14 | 3.096 | 17.625 | 1.5598 | 23 | 4.51 |
| | Case | 45/−45/902s
0/45/−45/0/45/−45s | (Cy)—08
(Co)—12 | 3.250 | 17.335 | 1.6774 | 20 | 4.01 |
| | Case | 45/−45/902s
453/−453/02s | (Cy)—08
(Co)—16 | 3.279 | 17.544 | 1.4190 | 11 | 2.18 |
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