Table 4

Eigenvalues for CLT200a. 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 19.0 19.0 0.00 0.75
2 28.3 28.3 0.00 0.36
3 46.3 46.6 0.65 0.59
4 74.3 73.3 −1.35 1.65
5 88.6 89.4 0.90 0.58
6 91.3 91.6 0.33 0.68
7 97.9 97.6 −0.31 0.58
8 116 116 0.00 0.60
9 130 132 1.54 0.95
10 143 145 1.40 1.00
11 149 149 0.00 0.69
12 194 196 1.03 1.10
13 196 198 1.02 1.03
14 207 209 0.97 1.30
15 211 217 2.84 0.95
16 216 221 2.31 0.81
17 229 234 2.18 0.86
18 250 252 0.80 1.00
19 254 257 1.18 1.10
20 266 267 0.38 0.96

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