Research Article
Sensitivity Analysis Based on Polynomial Chaos Expansions and Its Application in Ship Uncertainty-Based Design Optimization
Table 2
Sensitivity indices of Sobol’ function (
).
| Sensitivity indices | Analytical solution | PCE() |
| | 0.6037 | 0.6263 | | 0.2683 | 0.2814 | | 0.0671 | 0.0711 | | 0.0200 | 0.0213 | | 0.0055 | 0.0062 | | 0.0009 | 0.0012 | | 0.0002 | 0.0006 | | 0.0000 | 0.0002 |
| | 0.6342 | 0.6538 | | 0.2945 | 0.3128 | | 0.0756 | 0.0792 | | 0.0227 | 0.0231 | | 0.0062 | 0.0068 | | 0.0011 | 0.0015 | | 0.0003 | 0.0007 | | 0.0000 | 0.0002 |
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