Research Article
Structural Modal Analysis and Optimization of SUV Door Based on Response Surface Method
Table 1
Comparison of modal results of simulation and experiment.
| Frequency calculated fs (Hz) | Frequency tested fs (Hz) | Relative error e (%) | Description of modal |
| 42.72 | 40.92 | 4.4 | Bending mode of the beam | 51.52 | 49.67 | 3.7 | 1st bending mode | 55.34 | 55.27 | 0.1 | 1st torsional mode | 71.04 | 71.49 | ā0.6 | Bending and torsional model |
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