Abstract
The thermal deformation and stress field in the hull and cross bulkhead of an Oil-Built-Ore (OBO) carrier carrying a heated cargo is calculated numerically by use of the finite element method. In particular, the deformations of the opening of the hold are studied. These deformations, which are mainly caused by the thermal load induced by the heated cargo, have been found to result in sealing problems at the openings of the holds. Some possible modifications to reduce these deformations are discussed. It was found that one effective alternative is to increase the stiffness of the cross deck strip on the transverse bulkhead, for example by increasing its width.
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