Tests were conducted with a model of a T2-SE-AI tanker running at oblique headings to waves to measure torsional moments and vertical and lateral components of longitudinal bending moments at the midship section. Trends of moments with speed and wave direction in regular long-crested waves of various lengths are presented. Statistical characteristics of moment responses at one speed and heading in irregular long-crested waves are given. The relative importance of lateral bending is explored by using model results to predict longitudinal bending stresses in a T-2 tanker deck caused by the combined action of vertical and lateral moments, and it is shown that lateral bending can contribute significantly to these stresses.

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