Open Access
Table 5
Eigenvalues for CLT200b. Namely the experimental fe,i and numerical fa,i eigenfrequencies of the ith mode and their percentage error PEi, plus the experimental modal damping factor ζe,i of the ith mode.
i | fe,i (Hz) | fa,i (Hz) | PEi (%) | ζe,i (10−2) |
---|---|---|---|---|
1 | 19.5 | 19.8 | 1.54 | 0.62 |
2 | 28.7 | 28.3 | −1.39 | 0.37 |
3 | 47.6 | 47.8 | 0.42 | 0.62 |
4 | 74.1 | 73.2 | −1.21 | 2.00 |
5 | 90.9 | 90.6 | −0.33 | 1.10 |
6 | 96.2 | 99.3 | 3.22 | 0.72 |
7 | 103 | 105 | 1.94 | 0.59 |
8 | 121 | 124 | 2.48 | 0.61 |
9 | 132 | 132 | 0.00 | 0.91 |
10 | 146 | 147 | 0.68 | 1.00 |
11 | 155 | 156 | 0.65 | 0.68 |
12 | 199 | 198 | −0.50 | 1.10 |
13 | 201 | 202 | 0.50 | 0.80 |
14 | 210 | 210 | 0.00 | 1.10 |
15 | 221 | 233 | 5.43 | 0.85 |
16 | 226 | 237 | 4.87 | 0.87 |
17 | 240 | 249 | 3.75 | 0.92 |
18 | 256 | 257 | 0.39 | 0.96 |
19 | 264 | 271* | 2.66 | 0.95 |
20 | 267 | 267* | 0.00 | 1.10 |
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