Open-Deck Torsion - Containership

Warping + St. Venant torsional stiffness for an open-deck containership - determines warping restraint at stool / bulkhead.

TorsionContainershipCSR

Torsional momentkN·mTorsional section modulusm³

Torsional shear stress: 44.4N/mm²

Changing the inputs requires JavaScript. The calculator above shows its default inputs and result. The formula, symbols, and regulatory sources are shown in the Formula section below.

Formula, assumptions, and limits

\tau = M_T / Z_T

Symbol	Meaning	Unit
$M_T$	Torsional moment	kN·m
$Z_T$	Torsional section modulus	m³

Source: IACS CSR Containerships

In short

Warping + St.

Learn the theory Hull Strength and Longitudinal Bending