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In the Define turbulence tab, the default values for the size of the wind field, duration of the wind, frequency, and mean wind speed are displayed. The user is allowed to change these parameters to create a new wind file. Three types of spectrum are available for special cases. The turbulence components in longitudinal, lateral, and vertical direction can be found by clicking on the Define tab. However, the educational version of GH Bladed only allows the longitudinal component of turbulence to be used in simulations.

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With limited options, we will create a turbulent wind with a different mean wind speed while leaving everything else unchanged. Change the mean wind speed to 11 m/s. Click on the Now button next to Generate Turbulence. You will be prompted two dialogues and you may click on OK to proceed. Save the wind file in the desired directory.

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