Dear Niklas,
TurbSim has an option (WrADTWR) to create a “lollypop” wind field with points for the tower. You must use the WrADFF option to generate a binary TurbSim file (*.bts) so the tower points will be included for AeroDyn to use.
See Figure 4 on Page 7 of the TurbSim draft manual.
Marshall