Research Article
A Computational Method for Acoustic Interaction with Large Complicated Underwater Structures Based on the Physical Mechanism of Structural Acoustics
| Case | Method | Number of BE | DOF of fluid FE | DOF of structural FE | Computation time |
| Case 1 | FE | 0 | 0 | 17101 × 6 | 9 s | Case 2 | FE | 0 | 312173 × 1 | 17101 × 6 | 33 s | Case 3 | FE-BE | 31267 | 0 | 17101 × 6 | 5.5 h | Case 4 | FE-FE-BE | 1392 | 312173 × 1 | 17101 × 6 | 79 s | Case 5 | FE-FE-BE | 4768 | 516909 × 1 | 17101 × 6 | 6 min 48 s |
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