Table 1 Comparison of calculated natural frequencies using linear and quadratic interpolation
Natural frequency with linear elements | Natural frequency with quadratic elements | Percentage difference (%) |
|---|---|---|
310.4 | 310.3 | 0.03 |
970.5 | 969.6 | 0.09 |
1077.3 | 1076.8 | 0.05 |
2084.3 | 2081.7 | 0.12 |
2246.9 | 2243.3 | 0.16 |
2722.7 | 2718.7 | 0.15 |