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Physics Research International
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2016
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Article
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Tab 1
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Research Article
Vibration Analysis of Euler-Bernoulli Beams Partially Immersed in a Viscous Fluid
Table 1
The first 24 coupled natural angular frequencies
of the partially immersed beams in a viscous fluid. Comparison of frequency between FEM and present method.
Order
Present
FEM
Difference
1
4.90
4.86
0.82
2
18.18
17.91
1.50
3
20.26
20.01
1.24
4
21.11
20.86
1.19
5
24.68
24.50
0.73
6
30.48
30.20
0.92
7
31.59
31.44
0.47
8
39.24
38.91
0.84
9
44.68
44.51
0.38
10
47.65
47.31
0.71
11
50.20
49.72
0.96
12
54.68
54.02
1.22
13
56.10
55.33
1.39
14
61.47
61.25
0.35
15
61.90
61.36
0.88
16
64.57
64.15
0.65
17
67.29
66.72
0.85
18
73.47
72.99
0.65
19
79.63
79.21
0.53
20
80.06
79.42
0.80
21
85.67
85.41
0.30
22
87.58
87.09
0.56
23
91.33
90.85
0.52
24
97.44
97.10
0.35