随机海况大型船舶流固耦合变形大偏差算法研究

Large Deviation Algorithm of Huge Ship Fluid Solid Coupling Deformation in Random Sea Wave Condition

研究航母级别的大型船舶长时间变形是有实际意义的。在随机海况条件下,根据波浪与船体的流固耦合相互作用,建立了大型船舶的变形大偏差算法数学模型,给出了大型船舶变形的大偏差和变形绝对值大偏差的计算原理,提出了船舶变形大偏差优化算法,并进行了实例计算分析,为研究船舶疲劳损伤提供了理论依据。

It is of practical significance to study the long time deformation of large ship with carrier grade.In random sea state conditions,according to the wave and the hull of the fluid solid coupling interaction,the mathematical model of large deviation algorithm of the large ship deformation was built.The large deviation numerical principles of large ship deformation and absolute deformation were given.The ship deformation large deviation optimization algorithm and an example of calculation were shown.Our theory and results are useful for research on ship fatigue injury.