Abst'/> On the model uncertainty of wave induced platform motions and mooring loads of a semisubmersible based wind turbine
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On the model uncertainty of wave induced platform motions and mooring loads of a semisubmersible based wind turbine

机译：基于半潜式风力发电机的波浪引起平台运动和系泊载荷的模型不确定性

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AbstractThis work quantifies the model uncertainty in the wave-induced motion calculations of the codes in the Offshore Code Comparison Study Phase II, Semisubmersible Platform Based Floating Wind Turbine. Root mean square values are used to represent the spectral responses. This form is compared using their coefficient of variance values. A white noise spectrum without wind is chosen in head waves. This type of loading excites surge, heave, and pitch modes. The mathematical models that represent these motions are examined in three sections. The initial part considers how participants with the same primary approach (i.e., the Morrison Equation, a hybrid method combining the potential flow theory with the Morrison Equation, and Potential flow with added quadratic damping) diverge from each other. The second section evaluates the differences between models, disregarding alterations such as the instantaneous position. The third set compares all methods in detail, considering the additions and alterations to the primary approaches. In addition to the motions, the model uncertainty in the estimation of mooring line loads is discussed.Highlights•The model uncertainty in the wave-induced motion calculations of the codes in the Offshore Code Comparison Study is quantified.•Root mean square values are used to represent the spectral responses of the motions, and the mooring line loads.•The initial part considers how participants with the same primary diverge from each other.•The second section evaluates the differences between models, disregarding alterations such as the instantaneous position.•The third set compares all methods in detail, considering the additions and alterations to the primary approaches.
机译： 摘要 此工作在基于半潜式平台的近海代码比较研究第二阶段中，对代码在波浪引起的运动计算中的模型不确定性进行了量化浮动式风力发电机。均方根值用于表示光谱响应。使用其方差系数值比较此形式。在头波中选择无风的白噪声频谱。这种类型的负载会激发喘振，升沉和俯仰模式。代表这些运动的数学模型分三部分进行了研究。初始部分考虑了采用相同主要方法（即Morrison方程，将势流理论与Morrison方程相结合的混合方法以及具有附加二次阻尼的势流）的参与者之间的分歧。第二部分评估模型之间的差异，而不考虑诸如瞬时位置之类的变更。第三组详细比较了所有方法，并考虑了主要方法的添加和变更。除了动作之外，还讨论了系泊缆线载荷估计中的模型不确定性。 突出显示 • < ce：para id =“ p0010” view =“ all”>在离岸规范比较研究中，对规范的波浪引起的运动计算中的模型不确定性进行了量化。 • 均方根值用于表示光谱响应 • 初始部分考虑了具有相同主要成员的参与者如何彼此分离。 • 第二部分将评估模型之间的差异，而不考虑诸如瞬时位置之类的变更。 • The第三组详细比较了所有方法，并考虑了主要方法的添加和变更。

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