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Fatigue reliability of offshore wind turbine systems

机译：海上风力涡轮机系统的疲劳可靠性

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Optimization of the design of offshore wind turbine substructures with respect to fatigue loads is an important issue in offshore wind energy. A stochastic model is developed for assessing the fatigue failure reliability. This model can be used for direct probabilistic design and for calibration of appropriate partial safety factors / fatigue design factors (FDF) for steel substructures of offshore wind turbines (OWTs). The fatigue life is modeled by the SN approach. Design and limit state equations are established based on the accumulated fatigue damage. The acceptable reliability level for optimal fatigue design of OWTs is discussed and results for reliability assessment of typical fatigue critical design of offshore steel support structures are presented.
机译：关于疲劳负荷的海上风力涡轮机子结构设计的优化是海上风能的重要问题。开发了一种用于评估疲劳失效可靠性的随机模型。该模型可用于直接概率设计和校准海上风力涡轮机（OWTS）的钢结构的适当部分安全因子/疲劳设计因子（FDF）。疲劳寿命由SN方法进行建模。基于累积的疲劳损坏建立设计和限制状态方程。讨论了可接受的可接受的可靠性，以实现最佳疲劳设计的可靠性，并提出了海上钢支撑结构的典型疲劳关键设计的可靠性评估。

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