中文摘要：

考虑总系泊系统水平和垂直两个方向的恢复力以及具有代表性的单根系泊缆静力等特性进行等效水深截断系统优化设计，以替代全水深系统进行混合模型试验。在使用混合离散变量模拟退火方法时提出了一种“接力棒”寻优方式，若每棒寻优结束后变量到达上限或者下限时，须扩大上限或缩小下限。以工作水深为320m的10万吨内转塔式系泊FPSO作为研究对象，其截断水深为80m进行等效水深截断系统优化设计计算。数值试验结果表明，截断系统设计是成功和有效的。

英文摘要：

The highest similarity degree of static characteristics including total mooring system both horizontal and vertical characteristics, as well as the static characteristics of the representative single root mooring ropes between the truncated and full depth system are obtained by Annealing Simulation Algorithm for Hybrid Discrete Variables （ASFHDV） in optimal design of equivalent water depth truncated mooring system. An optimum pattern ＂baton＂ applied to optimal design ASFHDV is put forward in the paper. If some variable reaches the upper limit or the lower limit, the upper limit needs to be extended and the lower limit needs to be reduced after each optimizing step. Considering the experimental requirements, the length of wire rope at the upper extreme is not less than eight meters, and also the diameter of the cable at the end of is greater than 0.03 meters. A 100,000t, turret mooring FPSO in water depth of 320m is taken as an example of equivalent water depth truncated mooring system optimum design and the calculation is performed to obtain the conformation parameters of the truncated mooting system. Numerical experimentation result indicates that the present trtmcated mooring system design is successful and effective.