Research Article
Field Measurement of Wind Speeds and Wind-Induced Responses atop the Shanghai World Financial Center under Normal Climate Conditions
Table 2
Natural vibration frequency of SWFC (Hz).
| Mode |
Finite element method | Measured results | FFT method | HHT method | RDM method |
| First-order bending in Y direction | 0.146 | 0.153 | 0.152 | 0.153 | First-order bending in X direction | 0.153 | 0.154 | 0.152 | 0.155 | Second-order bending in X direction | 0.465 | 0.467 | 0.468 | ā | Second-order bending in Y direction | 0.481 | 0.468 | 0.469 | ā |
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