Transverse Strength



Methods of Calculation of Transverse Strength
The methods of calculation of transverse strength of ore carriers are basically the same as those of tankers & follow the same processes. The cargo hold portions is replaced by a model of 3 dimensional framework composed of longitudinal & transverse members, which is subjected to load corresponding to the trough of a wave under the fully loaded condition to calculate the forces & displacements of various members.

Then, a ring of transverse webs under loads corresponding to a range of 1 web spacing is replaced by a model of plane framework, & the bending moments (BMs), axial forces & shearing forces (SFs) of various members subjected to the displacements & loads obtained by the 3 dimensional calculations are calculated to obtain stresses in detail. 3 dimensional analyses by the Finite Element methods are often employed for the cargo hold portion. The shear deformations of wing tanks may be calculated in the same manner as a tanker.

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