Research Article
Free Vibrations of a Series of Beams Connected by Viscoelastic Layers
Table 5
Undamped natural frequencies
, for example.
for a fixed
and
is a set of intramodal frequencies, whereas
and
represent intermodal frequencies.
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| 1 | 2.688 × 101 | 8.647 × 101 | 1.754 × 102 | 2.797 × 102 | 3.866 × 102 | 2 | 2.978 × 102 | 3.075 × 102 | 3.425 × 102 | 4.275 × 102 | 5.961 × 102 | 3 | 5.540 × 102 | 5.594 × 102 | 5.790 × 102 | 6.261 × 102 | 7.153 × 102 | 4 | 7.538 × 102 | 7.578 × 102 | 7.724 × 102 | 8.075 × 102 | 8.755 × 102 | 5 | 8.906 × 102 | 8.937 × 102 | 9.017 × 102 | 9.34 × 102 | 9.942 × 102 |
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