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Table 1 Comparison of calculated natural frequencies using linear and quadratic interpolation

From: Static fracture and modal analysis simulation of a gas turbine compressor blade and bladed disk system

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