Research Article
Dynamic Modal Correlation of an Automotive Rear Subframe, with Particular Reference to the Modelling of Welded Joints
Table 3
Comparison between natural frequencies (scaled) from FEA using different methods.
| Mode | ACM2 method | Rigid elements method | Difference (%) | Scaled freq. [Hz] | Scaled freq. [Hz] |
| 7 | 0.244 | 0.237 | 2.742 | 8 | 0.252 | 0.249 | 1.297 | 9 | 0.503 | 0.500 | 0.609 | 10 | 0.612 | 0.617 | ā0.896 | 11 | 0.817 | 0.787 | 3.630 | 12 | 0.833 | 0.820 | 1.610 | 13 | 1.000 | 0.978 | 2.193 | 14 | 1.019 | 1.019 | 0.029 | 15 | 1.234 | 1.226 | 0.655 |
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