1. Simulation Frequency(Hz)
Table 4. The natural frequencies and MAC values
Mode
Experiments
Frequency (Hz)
Simulation Frequency(Hz)
MAC (-) 1.
11.92
13.19
0.990 2.
74.57
82.62
0.994 3.
208.95
231.48
0.978 4.
224.28
227.52
0.977 5.
411.91
454.16
0.980 6.
663.77
686.99
0.946 7.
682.38
751.95
0.583 8.
0.892 9.
0.881
10.
0.812
11.
0.933
12.
0.764
Peter Pavelka et al. The Influence of Preload on Modal Parameters of a Cantilever Beam. American Journal of
Mechanical Engineering, 2016, Vol. 4, No. 7, doi: /ajme
© The Author(s) Published by Science and Education Publishing.