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Offshore Jacket - Fundamental Period

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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

SymbolMeaningUnitSource
$m$Mass of jacket + topsideskgFE model
$k$Lateral stiffnessN/mFE analysis

Sources

  • API RP 2A-WSD.