46车／999客位客滚船总纵强度分析

Analysis of the Longitudinal Strength of a 46 Vehicles/999P Ro/Ro Passenger Ship

46车／999客位客滚船型宽与型深之比大于2．5，舷侧外板上有较大的开口，且拥有超长型的上层建筑。基于上述原因，该船的总纵强度计算与常规的计算相比有一定区别。对46车／999客位客滚船进行总纵强度分析，通过直接计算得出其波浪弯矩及波浪剪力值，并建立该船全船结构有限元模型，对其进行有限元计算和分析，评估舷侧外板大开口对相关剖面总纵强度的影响和上层建筑参与总纵强度的有效性，为船体总纵强度分析提供数据参考和指导。

The ratio of 46 Vehicles/999P Ro/Ro passenger ship＇ s width and depth is greater than 2.5 and the ship has large openings on the side shell and very long superstructure. Because of the particularity, the ship＇ s longitudinal strength calculation is different from the conventional way. The hull model was established and the finite element strength analysis was carried on according to the bending moments and wave shear force by direct strength assessment. The effect of large openings on the side shell and the effectiveness of superstructure on the longitudinal strength were analyzed, serving as reference and guide for analysis of longitudinal strength.