| Abstract |
Computational Science plays an important role in development and design of innovative high tech applications. Much effort is spent on increasing the model fidelity of in particular (sub)components of the integral design, although the overall system performance can usually only be analyzed with much lower fidelity models. Currently these different fidelity models are not used in combination, apart from using user expertise. Using space‐mapping and manifold‐mapping techniques it is possible to construct a surrogate model based on input‐output of multiple fidelity models to improve the accuracy of the low fidelity global system model. The resulting surrogate model therefore calibrated by the high fidelity model in regions where the low fidelity models fail, can be used to accelerate high fidelity computational models and can, as a final goal, be used for optimization. As a particular choice the interaction between rotor and wake is chosen as structural (fatigue) loads of wind turbine(blades) in wind farms are highly dependent on rotor‐wake interactions. |
