Section Modulus

Section Modulus = Z = I/Y

Sigma stress , at the deck and at the keel (MxY)/I

M = Bending Moments I = moment of inertia. Y = Distance between point under consideration to the neutral axis.

SF = Shearing Forces BM = Bending Moments BS = bending Stresses

Sectional Modulus

Methods of Structural Failure

Stress, Strain

Tensile Stress

Fracture

Yield

Brittleness.

Buckling

Fatigue

Corrosion Allowances

Stress Indicators

Torsion Ice Class Ships/Polar Code

CSR Steel thickness and buckling