单双舷侧散货船结构可靠性分析(英文)

Structural Reliability Analysis of a Single Hull Bulk Carrier and a Double Hull Bulk Carrier

采用按随机过程确定的载荷组合弯矩,对单、双舷侧两种结构分别计算船舶的极限弯矩和最大剪应力,进行可靠性评估,结果表明双舷侧结构可以大幅减小舷侧的剪应力,并在一定程度上提高了总纵强度;最后分析了双舷侧宽度对极限弯矩和最大剪应力的影响,提出了选取双舷侧宽度值的建议。

The ultimate bending moment and the maximal shear stress of two structural forms （single-hull and double-hull） are calculated by using the combined moment which determined by stochastic process, and then the assessment of reliability is carried out. The results indicate that by introducing the double hull structure, the shear stress decreases a lot, while the capability resistance to bending can be enhanced to some extent also.Finally,the effects on ultimate bending moment and the maximum shear stress with different width of double side skin are investigated, after the analysis, the proposal of selecting the width of double side skin is put forward.