Research Article
Isomap-Based Three-Dimensional Operational Modal Analysis
Table 4
Comparison of modal shapes with different methods.
| Method | Modal shapes when K = 40 and damping ratio is 0.03 | 1th order | 2th order | 3th order | 4th order | 5th order | 7th order |
| FEA | | | | | | | LSMS | | | | | — | | DMA | | | | | — | |
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