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Hull Girder - Deck / Keel Stress

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Longitudinal stress at deck and keel from hull-girder bending moment and midship section modulus - the first post-processing step after SWBM calculation.

Formula

$$ \sigma = \frac{M}{Z} $$

Symbol legend

SymbolMeaningUnitSource
$M$Total bending momentkN·mSWBM + WBM
$Z$Section modulus at fibremidship scantling

Sources

  • IACS UR S11.