Browsing by Author "Chen, Yiyin"

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    Four-dimensional wind field generation for the aeroelastic simulation of wind turbines with lidars
    (2022) Chen, Yiyin; Guo, Feng; Schlipf, David; Cheng, Po Wen
    Lidar-assisted control of wind turbines requires a wind field generator capable of simulating wind evolution. Out of this need, we extend the Veers method for 3D wind field generation to 4D and propose a two-step Cholesky decomposition approach. Based on this, we develop a 4D wind field generator - evoTurb - coupled with TurbSim and Mann turbulence generator. We further investigate the impacts of the spatial discretization in 4D wind fields on lidar simulations to provide practical suggestions.