Research Article
Structural Modal Analysis and Optimization of SUV Door Based on Response Surface Method
Table 6
Results of computational times and relative errors at experimental runs.
| No. | Thickness of door panel (mm) | Calculation time (s) | Response (Hz) | (%) | | | | | FEM | RSM | FEM | RSM |
| 1 | 0.5 | 1.2 | 0.5 | 0.6 | 25.33 | 0.0231 | 49.54 | 49.68 | 0.28 | 2 | 0.5 | 1.6 | 0.5 | 1.0 | 24.78 | 0.0227 | 51.86 | 51.87 | 0.03 | 3 | 0.7 | 1.4 | 0.6 | 0.8 | 25.12 | 0.0219 | 55.34 | 55.37 | 0.06 | 4 | 0.9 | 1.4 | 0.6 | 0.8 | 25.06 | 0.0223 | 58.04 | 57.99 | 0.09 |
|
|