Abstract
The presented work was realized within the framework of the AQUILO project, aiming in creating the base of knowledge for prospective future investments in offshore wind energy on Baltic Sea. The presented part of the work is focused on the experimental validation of numerical method of evaluation of the wave-induced forces on the bottom-mounted support structure of the offshore wind turbine. The experimental setup and measurement equipment, including in-house developed 6-DOF (six degree of freedom) dynamometer, are described. As a result, comparison of performance of different methods of evaluation of wave loads for wide range of parameters is presented. The results of experiments and numerical analyses are fairly consistent; largest discrepancy occurred at lowest wave frequencies, i.e. largest wave lengths. This may result from increased relative error of measurements for very long waves in relatively short tank.
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