Fundamental (sway) period of an offshore steel jacket from overall height and mass - determines wave-load dynamic amplification.
Formula
$$ T_1 = 2\pi \sqrt{m/k} $$Symbol legend
| Symbol | Meaning | Unit | Source |
|---|---|---|---|
| $m$ | Mass of jacket + topsides | kg | FE model |
| $k$ | Lateral stiffness | N/m | FE analysis |
Sources
- API RP 2A-WSD.