Research Article
Finite Element Model Updating of Satellite Sailboard Based on Sensitivity Analysis
Table 4
Comparison of initial and optimized values of model elastic parameters and dimensions.
| | Number | Design variables | Initial value | Optimization value |
| | 1 | Elastic modulus of panels (MPa) | 1.4E4 | 1.52E4 | | 2 | Elastic modulus of frame (MPa) | 4.5E4 | 4.77E4 | | 5 | Elastic modulus of honeycomb core (MPa) | 7.2E4 | 6.91E4 | | 6 | Density of panels (mm3) | 1.85E − 9 | 1.74E − 9 | | 10 | Density of honeycomb core (T/mm3) | 2.8E − 9 | 2.69E − 9 | | 11 | Thickness of panels (mm) | 2 | 2.02 |
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