Research Article
Dynamic Modal Correlation of an Automotive Rear Subframe, with Particular Reference to the Modelling of Welded Joints
Table 4
Summary of correlation between EMA and FEA results.
| Mode pair | EMA scaled freq. [Hz] | FEA scaled freq. [Hz] | Error (%) | MAC |
| 1 | 0.244 | 0.244 | 0.060 | 0.90 | 2 | 0.254 | 0.252 | 1.055 | 0.89 | 3 | 0.519 | 0.503 | 3.076 | 0.84 | 4 | 0.623 | 0.612 | 1.677 | 0.96 | 5 | 0.834 | 0.817 | 2.016 | 0.55 | 6 | 0.849 | 0.833 | 1.934 | 0.76 | 7 | 1.023 | 1.000 | 2.221 | 0.73 | 8 | 1.037 | 1.019 | 1.709 | 0.73 | 9 | 1.236 | 1.234 | 0.134 | 0.82 |
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