![]() Finally, the numerical model is shown to cope with an extreme regular wave including large amplitude motion, full submersion and high levels of free surface distortion. However, the results indicate that the higher-order free surface behaviour in the vicinity of the device is not being captured correctly. The numerical model is shown to be capable of predicting the pressure on the float's surface and the fully coupled motion of the device. Regular wave interactions with both a fixed and freely-pitching, 1:10 scale model of the Wavestar are reproduced numerically. In this work a fully nonlinear, coupled tool for simulation of WECs is produced and compare with physical measurements. ![]() ![]() This is particularly problematic in extreme seas where the nonlinearities and coupled nature of these systems become important. Numerical modelling has become commonplace in the development of offshore structures, however for dynamic systems such as Wave Energy Convertors (WECs) conventional numerical tools may not be able to capture the full range of behaviours required for engineering analysis.
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