| Summary: | The aim of this study is to provide a comparative study for three conventionalsoftware for wind resource assessment (WindPRO, WindSim and Zephy TOOLS)applied to a place with a low orographic complexity terrain (Korpinen), a placewith a moderate slope (Lokan Tekojärvi) and a fictive case of a complex terrainwhere there is a current ski resort (Ylläs), all of them located in Finland. Themain outcome parameter to be investigated in the simulations is the wind speed.Furthermore, the analysis of the outcome will give a hint of the suitability of eachsoftware depending on the different site conditions and input parameters.Once the locations were defined, the input files for every software had to be pre-pared and processed in third software, such as QGis, OpenWind, Global Mapperand text editors in order to be handled in the correct extension for each software.The results indicate that both WindPRO and WindSim manage to estimate thewind resource accurately when the terrain has a low orographic complexity. Inthis case, the linear model, without the ability to model turbulence is as good as thenon-linear model in wind resource estimation terms. Zephy TOOLS overestimatesthe wind speeds in this type of terrain with only 0.40%. For the moderate slope,WindPRO and WindSim differ in only 0.13% while Zephy TOOLS over-predictsagain the wind speed in 0.40%. For the site with complex orography, the threesoftware present a significant difference of the wind estimation of around 1.35m/sbetween them
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