Research Article
A Hybrid Algorithm Based Static Model Updating Method and Its Application to Spacecraft
Table 4
The parameter setting of the re-entry modules.
| | | Aluminum alloy | Titanium alloy | | Elastic modulus | Expansion (°C) | Elastic modulus | Expansion (°C) |
| | Experiment model | 71 GPa | 2.3 × 10−5 | 110 GPa | 0.9 × 10−5 | | FEM | 92.3 GPa | 1.61 × 10−5 | 77 GPa | 1.17 × 10−5 | | Deviation | +30% | −30% | −30% | +30% | | Value range | [46.15, 184.6] | [0.805, 3.22]×10−5 | [38.5, 154] | [0.585, 2.34]×10−5 |
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