Table 1: Comparison of frequencies by analytical and finite element model for a numerical example.

Mode 1 2 3 4 5 Analytical solution 20.91 27.99 49.49 84.32 87.02 ANSYS solution 20.96 27.12 50.32 81.49 85.73 Difference (%) 0.24 −3.11 1.68 −3.36 −1.48