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Shear Flow - Q·V/I Check

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Shear flow q = V·Q/I for a longitudinal member at a specific height above keel - the stress check for side plating, deck plating.

Formula

$$ q = \frac{V \cdot Q}{I} $$

Symbol legend

SymbolMeaningUnitSource
$V$Shear forcekNSWBM + WBM curve
$Q$First moment of area above fibresection properties
$I$Hull-girder moment of inertiam⁴midship section

Sources

  • IACS CSR Ch.5.