Research Article
A Hybrid Algorithm Based Static Model Updating Method and Its Application to Spacecraft
Table 5
Results Comparison of different objective functions.
| | | Aluminum alloy | Titanium alloy | Minimum value of objective function | | Elastic modulus (GPa) | Expansion (°C) | Elastic modulus (GPa) | Expansion (°C) |
| | Experiment | 71 | 2.3 × 10−5 | 110 | 9 × 10−5 | — | | 87.494 | 2.3040 × 10−5 | 132.72 | 7.1180 × 10−5 | 1.03 × 10−3 | | 77.669 | 2.3002 × 10−5 | 121.68 | 9.0701 × 10−5 | 4.80 × 10−5 | | 69.939 | 2.2907 × 10−5 | 114.65 | 1.3905 × 10−5 | 3.46 × 10−6 | | 68.906 | 2.2982 × 10−5 | 126.25 | 1.0962 × 10−5 | 1.21 × 10−7 |
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