Turbulent wind

Ashes is able to read to types of turbulent wind files:
  • .wnd files generated with TurbSim
  • .bin files generated by the Mann turbulence simulator
There are conceptual differences between these two types, which are explained in the Turbulence section of the Theory Manual.

TurbSim can be found on the NREL website at https://nwtc.nrel.gov/TurbSim (accessed Jan 2019), but is also shipped with Ashes. It is thus possible to generate turbulent wind files within Ashes, using the Turbulent wind tool.
The Mann turbulence simulator can be downloaded from the HAWC2 website at http://www.hawc2.dk/download/pre-processing-tools (accessed jan 2019). It is also shipped with Ashes but is currently only integrated into the batch tool. For use in Time simulation, you'll have to create the turbulent wind field with the Mann turbulence simulator itself and load the files, as explained below. 

To see how to generate turbulent wind fields, seeTurbulent Wind Creator. Once the turbulent wind field has been created, either with TurbSim or with the Mann turbulence generator, it can be chosen from the Wind file parameter shown in the following section.1. Clicking on the Turbulent wind field parameter will open a dialog that enables you to browse to the folder where the turbulent wind fields are located. The figure below shows the dialog that enables you to select the turbulent wind field.





The parameters that can be modified in the turbulent wind part are listed below

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