中文摘要：

目前多浮体结构广泛应用于海洋油气工程中，结构的运动由于相互水动力作用而变得非常复杂。本文基于多体耦合分析方法对一浅水软刚臂系泊的浮式生产储卸油系统（FPSO）与穿梭油轮并联外输时的运动响应进行了研究，应用多体水动力软件AQWA建立了两船并联布置时的数值模型，两船之间用系缆和充气护舷进行连接，考虑风浪流等环境条件，在时域内对系统运动进行了耦合动力分析。重点探讨了护舷的摩擦性能以及充气压强对系统运动响应的影响，并评估了系统在不同风向下的运动以及系缆的受力情况。研究结果可以为优化系统参数，评价系统性能提供依据。

英文摘要：

Multi-body systems have been widely used in marine oil and gas engineering. structures become very complex because of hydrodynamic interaction effects. In this paper, multi-body coupled analysis method is applied to analyze a soft yoke moored FPSO with an alongside moored shuttle tanker. The numerical models of the two ships which including the hawsers and pneumatic fenders were established by the multi-body software AQWA. Coupled dynamic analysis was carried to investigate the motions under wind, wave and current environments in time domain. Particular attention was paid to the effects on system motions with different frictional behaviors and internal pressures of fenders. In addition, the motions of system and tensions of hawsers in different wind incident angles was also calculated. The research results could be used to optimize the system parameters and evaluated the system performance.