Research Article
Multiobjective Structure Topology Optimization of Wind Turbine Brake Pads Considering Thermal-Structural Coupling and Brake Vibration
Table 2
Comparison of the primary four frequencies.
| | Frequency number | Before optimization(Hz) | After optimization(Hz) | Amplitude of variation(%) |
| | 1 | 796.17 | 775.43 | -2.60 | | 2 | 1629.39 | 1689.39 | +3.68 | | 3 | 1872.54 | 1706.03 | -8.89 | | 4 | 2684.55 | 3040.30 | +13.25 |
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