Natural frequency

Load (kN)

0

3

6

6.156

6.6

7.3

8

9.5

Mode 1

27.52

27.52

27.51

26.54

24.97

23.16

21.82

20.38

Mode 2

102.40

102.40

102.40

101.99

100.92

98.94

95.91

89.20

Mode 3

249.98

249.98

249.97

241.15

227.71

215.40

208.60

203.99

Mode 4

399.26

399.26

399.25

389.62

374.72

358.95

343.77

328.99