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为预报FPSO在迎浪状态下的运动性能和结构强度,基于频域三维线性势流理论,计算FPSO在规则波中压载、半载、满载3种工况下的响应幅值算子,并对FPSO 3种工况下的运动、加速度和剖面关键载荷进行3h短期预报。研究结果可为FPSO总体结构强度、疲劳强度和屈曲强度分析提供运动和载荷数据。
In order to predict the motion performance and structural strength of FPSO in wave-sea state, based on the three-dimensional linear potential flow theory in the frequency domain, the response amplitude operator of FPSO under the three conditions of ballast, half load and full load is calculated. The 3-h short-term forecast is made for the movement, acceleration and key load of the FPSO under the three conditions. The results provide kinetic and load data for FPSO overall structural strength, fatigue strength and buckling strength analysis.