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Seismic uncoupled analyses for offshore wind turbines

机译:海上风力发电机的地震非耦合分析

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For seismic assessment of wind turbines in seismically active areas, International Standards and Guidelines allow combining two separate analyses under environmental and earthquake loads, respectively. Time-domain or response-spectrum-based analyses are prescribed to compute the separate earthquake response. While some work has already been done to estimate the accuracy of uncoupled analyses for land-based wind turbines, to date no similar studies have been carried out for offshore ones. This paper investigates two different implementations of uncoupled analyses for seismic assessment of offshore wind turbines, considering the case study of a 5 MW wind turbine mounted on a tripod in intermediate waters.
机译:为了对地震活跃地区的风力涡轮机进行地震评估,国际标准和准则允许分别在环境和地震负荷下结合两个单独的分析。规定了基于时域或基于响应谱的分析来计算单独的地震响应。尽管已经进行了一些工作来估计陆基风力发电机的非耦合分析的准确性,但迄今为止,尚未对海上风力发电机进行类似的研究。本文考虑了在中间水域中安装在三脚架上的5兆瓦风力涡轮机的案例研究,对海上风力涡轮机进行地震评估的非耦合分析的两种不同实现方式进行了研究。

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