Research Article

Mode Shape Description and Model Updating of Axisymmetric Structures Using Radial Tchebichef Moment Descriptors

Table 2

Natural frequencies of the finite element model of the disk.

ModeNatural frequencies (Hz)ModeNatural frequencies (Hz)

1131.729530.46
2131.7210810.15
3210.4911810.15
4303.7512833.36
5303.7513833.36
6483.4714903.91
7483.47151141.41
8530.46161141.41