深吃水半潜平台运动响应分析及模型试验分析

摘要

In order to analyze the motion response of semi-submersible platform with a deep draft in actual conditions, the motion response analysis were made in frequency domain and time domain by AQWA.The model test of semi-submersible plat-form was carried out to study the RAO of 6 degrees of freedom and dynamic response in irregular waves.The results obtained by the two methods about RAO curves and motion amplitude in ultimate conditions were comparatively analyzed,proving the correct-ness of numerical methods.The numerical results showed that motion response of the deep draft semi-submersible platform meets the requirements of design.%针对某深吃水半潜平台在实际海况下的运动响应问题,基于AQWA,对深吃水半潜平台频域和时域下的运动响应进行数值模拟,并开展半潜平台的模型试验,分析6自由度幅值响应算子(RAO)和不规则波下的运动响应.比较由2种方法获得的RAO响应曲线和极限海况下的运动幅值,证明数值方法正确,该深吃水潜平台的运动响应模拟结果满足设计要求.